{"id":14571,"date":"2026-04-14T11:56:05","date_gmt":"2026-04-14T11:56:05","guid":{"rendered":"https:\/\/haynekshydraulic.com\/the-ultimate-guide-to-hydraulic-gear-pumps\/"},"modified":"2026-06-11T15:04:45","modified_gmt":"2026-06-11T15:04:45","slug":"hidrolik-disli-pompalar-teknik-ozellikler-secim-montaj","status":"publish","type":"post","link":"https:\/\/haynekshydraulic.com\/tr\/hidrolik-disli-pompalar-teknik-ozellikler-secim-montaj\/","title":{"rendered":"Hidrolik Di\u015fli Pompalar: Teknik \u00d6zellikler, Se\u00e7im ve Montaj Rehberi"},"content":{"rendered":"<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_c7f16a-84_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_c7f16a-84_0[data-kb-block=\"kb-adv-heading14010_c7f16a-84_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_c7f16a-84_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_c7f16a-84_0[data-kb-block=\"kb-adv-heading14010_c7f16a-84_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_c7f16a-84_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_c7f16a-84_0[data-kb-block=\"kb-adv-heading14010_c7f16a-84_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_c7f16a-84_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_c7f16a-84_0\">A hydraulic gear pump is a positive displacement pump that converts mechanical energy into hydraulic <a href=\"https:\/\/haynekshydraulic.com\/tr\/guc-aktarma-sistemi-pto-muhendislik-rehberi\/\">power <\/a>by moving fluid between interlocking gears. It is widely used in industrial machinery, trucks, and agricultural equipment.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_759945-34_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_759945-34_0[data-kb-block=\"kb-adv-heading14010_759945-34_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_759945-34_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_759945-34_0[data-kb-block=\"kb-adv-heading14010_759945-34_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_759945-34_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_759945-34_0[data-kb-block=\"kb-adv-heading14010_759945-34_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_759945-34_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_759945-34_0\">At Hayneks Hydraulic, we specialize in high-performance hydraulic gear pumps designed for demanding industrial applications.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_1, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_1[data-kb-block=\"kb-adv-heading14010_2a608b-6a_1\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_1 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_1[data-kb-block=\"kb-adv-heading14010_2a608b-6a_1\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_1 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_1[data-kb-block=\"kb-adv-heading14010_2a608b-6a_1\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_1 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_1\">In the demanding world of heavy-duty machinery and industrial fluid power, the hydraulic gear pump serves as the mechanical heartbeat of the system. Whether operating a dump truck, an agricultural tractor, or complex lifting equipment, the efficiency of the hydraulic circuit depends on the reliability of its pump.<\/p>\n<style>.kb-image14010_dcced5-6b .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image14010_dcced5-6b\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/05\/ISO-40-4-Stud-Mounting-Gear-Pumps-min-300x300-1.jpg\" alt=\"ISO-40-4-Stud-Mounting-Gear-Pumps-min-300x300 hydraulic gear pumps\" class=\"kb-img wp-image-9814\" srcset=\"https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/05\/ISO-40-4-Stud-Mounting-Gear-Pumps-min-300x300-1.jpg 300w, https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/05\/ISO-40-4-Stud-Mounting-Gear-Pumps-min-300x300-1-150x150.jpg 150w, https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/05\/ISO-40-4-Stud-Mounting-Gear-Pumps-min-300x300-1-100x100.jpg 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_2, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_2[data-kb-block=\"kb-adv-heading14010_2a608b-6a_2\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_2 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_2[data-kb-block=\"kb-adv-heading14010_2a608b-6a_2\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_2 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_2[data-kb-block=\"kb-adv-heading14010_2a608b-6a_2\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_2 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_2\">Selecting the right pump is far more complex than simply matching mounting flanges. It requires a solid understanding of flow rates, pressure tolerances, fluid dynamics, and correct assembly procedures. A poorly selected or incorrectly installed pump can fail prematurely and may even damage the entire hydraulic system.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_3, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_3[data-kb-block=\"kb-adv-heading14010_2a608b-6a_3\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_3 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_3[data-kb-block=\"kb-adv-heading14010_2a608b-6a_3\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_3 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_3[data-kb-block=\"kb-adv-heading14010_2a608b-6a_3\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_3 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_3\">In this guide, we cover the technical specifications, sizing criteria, oil requirements, installation best practices, and maintenance essentials for hydraulic gear pumps.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_4, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_4[data-kb-block=\"kb-adv-heading14010_2a608b-6a_4\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_4 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_4[data-kb-block=\"kb-adv-heading14010_2a608b-6a_4\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_4 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_4[data-kb-block=\"kb-adv-heading14010_2a608b-6a_4\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_4 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_4\">What Is a Hydraulic Gear Pump and How Does It Work?<\/h2>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_5, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_5[data-kb-block=\"kb-adv-heading14010_2a608b-6a_5\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_5 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_5[data-kb-block=\"kb-adv-heading14010_2a608b-6a_5\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_5 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_5[data-kb-block=\"kb-adv-heading14010_2a608b-6a_5\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_5 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_5\">A hydraulic gear pump is a positive displacement pump that converts mechanical energy, usually from a P<a href=\"https:\/\/haynekshydraulic.com\/tr\/k\/ptolar\/volvo-ptolar\/volvo-ptolar-hayneks-oa-serisi\/\" data-type=\"link\" data-id=\"https:\/\/haynekshydraulic.com\/c\/ptos\/volvo-power-take-offs-hayneks-oa-series\/\">TO (Power Take-Off)<\/a> or electric motor, into hydraulic fluid power.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_6, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_6[data-kb-block=\"kb-adv-heading14010_2a608b-6a_6\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_6 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_6[data-kb-block=\"kb-adv-heading14010_2a608b-6a_6\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_6 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_6[data-kb-block=\"kb-adv-heading14010_2a608b-6a_6\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_6 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_6\">Its internal design is simple and effective. The pump contains two interlocking gears:<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_7, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_7[data-kb-block=\"kb-adv-heading14010_2a608b-6a_7\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_7 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_7[data-kb-block=\"kb-adv-heading14010_2a608b-6a_7\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_7 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_7[data-kb-block=\"kb-adv-heading14010_2a608b-6a_7\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_7 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_7\">a drive gear, connected to the input shaft\nan idler gear<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_8, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_8[data-kb-block=\"kb-adv-heading14010_2a608b-6a_8\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_8 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_8[data-kb-block=\"kb-adv-heading14010_2a608b-6a_8\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_8 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_8[data-kb-block=\"kb-adv-heading14010_2a608b-6a_8\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_8 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_8\">As the gears rotate and their teeth separate at the inlet port, a partial vacuum forms. This draws hydraulic oil from the reservoir into the pump housing. The oil then moves around the outer perimeter of the gears, trapped between the gear teeth and the inner wall of the casing.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_9, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_9[data-kb-block=\"kb-adv-heading14010_2a608b-6a_9\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_9[data-kb-block=\"kb-adv-heading14010_2a608b-6a_9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_9[data-kb-block=\"kb-adv-heading14010_2a608b-6a_9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_9\">When the teeth mesh again at the outlet port, the available volume decreases and the oil is forced out at high pressure.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_10, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_10[data-kb-block=\"kb-adv-heading14010_2a608b-6a_10\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_10 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_10[data-kb-block=\"kb-adv-heading14010_2a608b-6a_10\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_10 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_10[data-kb-block=\"kb-adv-heading14010_2a608b-6a_10\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_10 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_10\">Because of their robust cast iron or high-strength aluminum construction, premium gear pumps can often operate continuously at 200 to 300 bar, with peak pressures reaching 450 bar (6526 PSI) in specialized high-capacity models such as the 34cc and 43cc series.<\/p>\n<style>.kb-image14010_a7b216-f9 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image14010_a7b216-f9\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2023\/06\/UNI-3-Stud-Mounting-Gear-Pumps-min.jpg\" alt=\"UNI (3-Stud) Mounting Gear Pumps hydraulic gear pumps\" class=\"kb-img wp-image-4811\" srcset=\"https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2023\/06\/UNI-3-Stud-Mounting-Gear-Pumps-min.jpg 600w, https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2023\/06\/UNI-3-Stud-Mounting-Gear-Pumps-min-300x300.jpg 300w, https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2023\/06\/UNI-3-Stud-Mounting-Gear-Pumps-min-150x150.jpg 150w, https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2023\/06\/UNI-3-Stud-Mounting-Gear-Pumps-min-100x100.jpg 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_11, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_11[data-kb-block=\"kb-adv-heading14010_2a608b-6a_11\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_11 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_11[data-kb-block=\"kb-adv-heading14010_2a608b-6a_11\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_11 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_11[data-kb-block=\"kb-adv-heading14010_2a608b-6a_11\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_11 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_11\">Technical Sizing: Flow Rates and Port Dimensions<\/h2>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_12, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_12[data-kb-block=\"kb-adv-heading14010_2a608b-6a_12\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_12 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_12[data-kb-block=\"kb-adv-heading14010_2a608b-6a_12\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_12 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_12[data-kb-block=\"kb-adv-heading14010_2a608b-6a_12\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_12 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_12\">One of the most common engineering mistakes in <a href=\"https:\/\/www.hayneks.com\/\" data-type=\"link\" data-id=\"https:\/\/www.hayneks.com\/\" target=\"_blank\" rel=\"noopener\">hydraulic<\/a> system design is mismatching the pump\u2019s flow capacity with hose and port dimensions.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_13, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_13[data-kb-block=\"kb-adv-heading14010_2a608b-6a_13\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_13 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_13[data-kb-block=\"kb-adv-heading14010_2a608b-6a_13\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_13 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_13[data-kb-block=\"kb-adv-heading14010_2a608b-6a_13\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_13 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_13\">If a pump tries to draw oil through an inlet line that is too narrow, fluid velocity rises and inlet pressure drops. This causes cavitation\u2014the formation and collapse of vapor bubbles\u2014which can erode metal surfaces inside the pump and lead to rapid failure.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_14, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_14[data-kb-block=\"kb-adv-heading14010_2a608b-6a_14\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_14 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_14[data-kb-block=\"kb-adv-heading14010_2a608b-6a_14\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_14 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_14[data-kb-block=\"kb-adv-heading14010_2a608b-6a_14\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_14 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_14\">To avoid cavitation, overheating, and efficiency loss, inlet and outlet sizes must match the pump\u2019s displacement and flow rate.<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-theme-palette-9-color has-text-color has-background has-link-color has-fixed-layout\" style=\"background:linear-gradient(135deg,rgb(6,147,227) 0%,rgb(10,65,115) 100%)\"><thead><tr><th>Flow Rate (L\/min)<\/th><th>Required Inlet Size<\/th><th>Required Outlet Size<\/th><\/tr><\/thead><tbody><tr><td>8 L\/min<\/td><td>R 1\/2&#8243;<\/td><td>R 1\/4&#8243;<\/td><\/tr><tr><td>17 L\/min<\/td><td>R 3\/4&#8243;<\/td><td>R 3\/8&#8243;<\/td><\/tr><tr><td>30 L\/min<\/td><td>R 1&#8243;<\/td><td>R 1\/2&#8243;<\/td><\/tr><tr><td>50 L\/min<\/td><td>R 1 1\/4&#8243;<\/td><td>R 1\/2&#8243;<\/td><\/tr><tr><td>70 L\/min<\/td><td>R 1 1\/2&#8243;<\/td><td>R 3\/4&#8243;<\/td><\/tr><tr><td>90 L\/min<\/td><td>R 1 3\/4&#8243;<\/td><td>R 1&#8243;<\/td><\/tr><tr><td>125 L\/min<\/td><td>R 2&#8243;<\/td><td>R 1&#8243;<\/td><\/tr><tr><td>150 L\/min<\/td><td>R 2 1\/4&#8243;<\/td><td>R 1&#8243;<\/td><\/tr><\/tbody><\/table><\/figure>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_16, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_16[data-kb-block=\"kb-adv-heading14010_2a608b-6a_16\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_16 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_16[data-kb-block=\"kb-adv-heading14010_2a608b-6a_16\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_16 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_16[data-kb-block=\"kb-adv-heading14010_2a608b-6a_16\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_16 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_16\">Expert Note: For application-specific systems such as Dorsey dumpers, intake and outlet sockets should match these dimensions exactly to maintain volumetric efficiency.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_f193f4-92_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_f193f4-92_0[data-kb-block=\"kb-adv-heading14010_f193f4-92_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_f193f4-92_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_f193f4-92_0[data-kb-block=\"kb-adv-heading14010_f193f4-92_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_f193f4-92_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_f193f4-92_0[data-kb-block=\"kb-adv-heading14010_f193f4-92_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_f193f4-92_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_f193f4-92_0\">Hayneks Hydraulic gear pumps are engineered to meet precise flow rate and port size requirements for maximum efficiency and durability.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_117351-7b_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_117351-7b_0[data-kb-block=\"kb-adv-heading14010_117351-7b_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_117351-7b_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_117351-7b_0[data-kb-block=\"kb-adv-heading14010_117351-7b_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_117351-7b_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_117351-7b_0[data-kb-block=\"kb-adv-heading14010_117351-7b_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_117351-7b_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_117351-7b_0\">At Hayneks Hydraulic, we recommend using high-quality hydraulic oils that match your system requirements to ensure long-term performance.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_17, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_17[data-kb-block=\"kb-adv-heading14010_2a608b-6a_17\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_17 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_17[data-kb-block=\"kb-adv-heading14010_2a608b-6a_17\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_17 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_17[data-kb-block=\"kb-adv-heading14010_2a608b-6a_17\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_17 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_17\">Oil Selection and Temperature Management<\/h2>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_c5a736-0f_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_c5a736-0f_0[data-kb-block=\"kb-adv-heading14010_c5a736-0f_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_c5a736-0f_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_c5a736-0f_0[data-kb-block=\"kb-adv-heading14010_c5a736-0f_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_c5a736-0f_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_c5a736-0f_0[data-kb-block=\"kb-adv-heading14010_c5a736-0f_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_c5a736-0f_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_c5a736-0f_0\">Hydraulic oil is not just a working fluid. It also provides lubrication, cooling, and internal protection. Using the wrong oil viscosity or contaminated oil can significantly reduce pump life.<\/p>\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<ul class=\"wp-block-list\">\n<li><strong>Seasonal Viscosity Adjustments<\/strong><br\/>Temperature affects oil viscosity directly:<br\/>If the oil is too thick in cold weather, suction becomes difficult and cavitation may occur<br\/>If the oil is too thin in hot weather, internal leakage increases and lubrication performance drops<br\/><br\/><strong>Winter Months<\/strong><br\/>Use ISO 32 hydraulic oil.<br\/>Recommended examples:<br\/>BP Energol HLP 32<br\/>Mobil D.T.E 24<br\/>Shell Tellus 32<br\/>Petrol Ofisi Rando Oil HD 32<br\/><br\/><strong>Summer Months<\/strong><br\/>Use ISO 46 hydraulic oil.<br\/>Recommended examples:<br\/>BP Energol HLP 46<br\/>Mobil D.T.E 25<br\/>Shell Tellus 46<br\/>Petrol Ofisi Rando Oil HD 46<br\/><br\/><strong>Recommended Temperature Range<\/strong><br\/>For ideal performance and seal protection, oil temperature should remain between <strong>50\u00b0C and 60\u00b0C<\/strong>.<br\/>Operating range: 0\u00b0C to 80\u00b0C<br\/>Above 80\u00b0C: oil degrades rapidly and seals may fail<\/li>\n<\/ul>\n<\/div>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_30, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_30[data-kb-block=\"kb-adv-heading14010_2a608b-6a_30\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_30 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_30[data-kb-block=\"kb-adv-heading14010_2a608b-6a_30\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_30 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_30[data-kb-block=\"kb-adv-heading14010_2a608b-6a_30\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_30 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_30\">Expert Assembly and Installation Guidelines<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Even a premium gear pump can be destroyed within seconds if installed incorrectly. Follow these best practices carefully:<br\/><br\/><strong>1) Keep the System Clean<\/strong><br\/>The oil tank and all hydraulic lines must be completely free from dust, welding residue, metal particles, and debris. The tank breather cap must remain open and unobstructed.<br\/><br\/><strong>2) Use the Correct Filter Placement<\/strong><br\/>The hydraulic filter must be selected according to the pump\u2019s flow capacity. In many systems, connecting the filter to the pressure line is strongly recommended.<br\/><br\/><strong>3) Prepare the Pump Correctly<\/strong><br\/>Do not remove the plastic guards from the oil inlet and outlet holes until you are ready to connect the fittings.<br\/>Fill the tank with the correct hydraulic oil<br\/>Allow the system to rest for a few hours<br\/>This allows trapped air bubbles to rise and escape.<br\/><br\/><strong>4) Never Start the Pump Dry<\/strong><br\/>Before startup, make sure:<br\/>The system is fully filled with oil<br\/>The pump inlet is covered with oil<br\/>All valves are open<br\/>Running a pump without oil can cause immediate internal damage.<br\/><br\/><strong>5) Perform a Low-Speed Initial Run<\/strong><br\/>The first startup should be done at low RPM and without load or pressure for a few minutes.<br\/>During this phase:<br\/>Check for oil leaks<br\/>Listen for abnormal whining or clattering<br\/>Observe general operating behavior<br\/>If anything seems unusual, shut the system down immediately.<\/li>\n<\/ul>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_50, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_50[data-kb-block=\"kb-adv-heading14010_2a608b-6a_50\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_50 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_50[data-kb-block=\"kb-adv-heading14010_2a608b-6a_50\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_50 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_50[data-kb-block=\"kb-adv-heading14010_2a608b-6a_50\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_50 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_50\">How to Change the Rotation Direction of a Gear Pump<\/h2>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_51, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_51[data-kb-block=\"kb-adv-heading14010_2a608b-6a_51\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_51 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_51[data-kb-block=\"kb-adv-heading14010_2a608b-6a_51\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_51 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_51[data-kb-block=\"kb-adv-heading14010_2a608b-6a_51\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_51 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_51\">Hydraulic gear pumps are directional. The PTO shaft rotation determines the required pump rotation.<\/p>\n<style>.kb-image14010_da21a1-64 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image14010_da21a1-64\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/04\/ANA-KATEGOR-3-YOLLU-VE-4-YOLLU-VANALAR-6ISO-4-Stud-Mounting-Gear-Pumps-min-300x300-1.jpg\" alt=\"ANA KATEGOR' 3 YOLLU VE 4 YOLLU VANALAR (6)ISO-4-Stud-Mounting-Gear-Pumps-min-300x300 hydraulic gear pumps\" class=\"kb-img wp-image-9147\" srcset=\"https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/04\/ANA-KATEGOR-3-YOLLU-VE-4-YOLLU-VANALAR-6ISO-4-Stud-Mounting-Gear-Pumps-min-300x300-1.jpg 600w, https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/04\/ANA-KATEGOR-3-YOLLU-VE-4-YOLLU-VANALAR-6ISO-4-Stud-Mounting-Gear-Pumps-min-300x300-1-300x300.jpg 300w, https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/04\/ANA-KATEGOR-3-YOLLU-VE-4-YOLLU-VANALAR-6ISO-4-Stud-Mounting-Gear-Pumps-min-300x300-1-150x150.jpg 150w, https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/04\/ANA-KATEGOR-3-YOLLU-VE-4-YOLLU-VANALAR-6ISO-4-Stud-Mounting-Gear-Pumps-min-300x300-1-100x100.jpg 100w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure><\/div>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_52, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_52[data-kb-block=\"kb-adv-heading14010_2a608b-6a_52\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_52 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_52[data-kb-block=\"kb-adv-heading14010_2a608b-6a_52\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_52 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_52[data-kb-block=\"kb-adv-heading14010_2a608b-6a_52\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_52 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_52\">If the PTO shaft rotates clockwise (CW), the pump must rotate counter-clockwise (CCW \/ left)\nIf the PTO shaft rotates counter-clockwise, the pump must rotate clockwise<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_3a430f-1b_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_3a430f-1b_0[data-kb-block=\"kb-adv-heading14010_3a430f-1b_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_3a430f-1b_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_3a430f-1b_0[data-kb-block=\"kb-adv-heading14010_3a430f-1b_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_3a430f-1b_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_3a430f-1b_0[data-kb-block=\"kb-adv-heading14010_3a430f-1b_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_3a430f-1b_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_3a430f-1b_0\"><strong>If the rotation direction must be changed, follow these steps:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Step 1: Disassemble the Rear Cover<\/strong><br\/>Remove the rear cover screws and separate the cover from the main body.<br\/><br\/><strong>Step 2: Move the Set Screw<\/strong><br\/>Locate the endless set screw on the cover. Remove it and install it into the opposite empty hole.<br\/><br\/><strong>Step 3: Swap the Gears<\/strong><br\/>Carefully remove the internal aluminum plate. Then switch the positions of:<br\/>The large drive gear<br\/>The smaller idler gear<br\/><br\/><strong>Step 4: Reinstall the Aluminum Plate Correctly<\/strong><br\/>Place the aluminum plate back in its original orientation.<br\/>Do not reverse the direction of the aluminum plate<br\/><br\/><strong>Step 5: Rotate the Rear Cover<\/strong><br\/>Rotate the rear cover <strong>180 degrees<\/strong> before reassembly.<br\/><br\/><strong>Step 6: Protect the Seal<\/strong><br\/>Make sure the O-ring is properly seated and well greased before tightening the cover.<br\/>This helps prevent:<br\/>Pinching<br\/>Misalignment<br\/>Seal displacement during assembly<br\/>Finally, tighten the bolts to the specified torque.<\/li>\n<\/ul>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_69, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_69[data-kb-block=\"kb-adv-heading14010_2a608b-6a_69\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_69 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_69[data-kb-block=\"kb-adv-heading14010_2a608b-6a_69\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_69 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_69[data-kb-block=\"kb-adv-heading14010_2a608b-6a_69\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_69 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_69\">Troubleshooting and Maintenance: <\/h2>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_284275-f9, .wp-block-kadence-advancedheading.kt-adv-heading14010_284275-f9[data-kb-block=\"kb-adv-heading14010_284275-f9\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_284275-f9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_284275-f9[data-kb-block=\"kb-adv-heading14010_284275-f9\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_284275-f9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_284275-f9[data-kb-block=\"kb-adv-heading14010_284275-f9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_284275-f9 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_284275-f9\">The Oil Warning Hole<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_70, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_70[data-kb-block=\"kb-adv-heading14010_2a608b-6a_70\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_70 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_70[data-kb-block=\"kb-adv-heading14010_2a608b-6a_70\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_70 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_70[data-kb-block=\"kb-adv-heading14010_2a608b-6a_70\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_70 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_70\">High-quality gear pumps often include a discharge hole or oil warning hole near the mounting flange.<\/p>\n<style>.kb-image14010_08b15c-d5 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image14010_08b15c-d5\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/haynekshydraulic.com\/wp-content\/uploads\/\" alt=\"30 Group ISO (DIN) Gear Pumps OA Series Single Rotational-1-oa\" class=\"kb-img wp-image-13421\"\/><\/figure><\/div>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_71, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_71[data-kb-block=\"kb-adv-heading14010_2a608b-6a_71\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_71 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_71[data-kb-block=\"kb-adv-heading14010_2a608b-6a_71\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_71 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_71[data-kb-block=\"kb-adv-heading14010_2a608b-6a_71\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_71 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_71\">This feature makes it easier to detect internal shaft seal failure.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_72, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_72[data-kb-block=\"kb-adv-heading14010_2a608b-6a_72\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_72 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_72[data-kb-block=\"kb-adv-heading14010_2a608b-6a_72\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_72 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_72[data-kb-block=\"kb-adv-heading14010_2a608b-6a_72\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_72 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_72\">Operators should inspect this area regularly. If hydraulic fluid begins leaking from the warning hole, the internal high-pressure seal has likely failed. This often happens because of:<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_73, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_73[data-kb-block=\"kb-adv-heading14010_2a608b-6a_73\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_73 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_73[data-kb-block=\"kb-adv-heading14010_2a608b-6a_73\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_73 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_73[data-kb-block=\"kb-adv-heading14010_2a608b-6a_73\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_73 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_73\">excessive peak pressure\noverheating\nfluid temperature beyond acceptable limits<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_74, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_74[data-kb-block=\"kb-adv-heading14010_2a608b-6a_74\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_74 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_74[data-kb-block=\"kb-adv-heading14010_2a608b-6a_74\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_74 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_74[data-kb-block=\"kb-adv-heading14010_2a608b-6a_74\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_74 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_74\">If leakage appears, the pump should be serviced immediately before oil bypasses into the transmission gearbox.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_75, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_75[data-kb-block=\"kb-adv-heading14010_2a608b-6a_75\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_75 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_75[data-kb-block=\"kb-adv-heading14010_2a608b-6a_75\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_75 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_75[data-kb-block=\"kb-adv-heading14010_2a608b-6a_75\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_75 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_75\">Also note that valve pressure adjustments are typically calibrated using sensitive measuring equipment during production. These factory settings should not be changed unless specified by the manufacturer.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_76, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_76[data-kb-block=\"kb-adv-heading14010_2a608b-6a_76\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_76 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_76[data-kb-block=\"kb-adv-heading14010_2a608b-6a_76\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_76 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_76[data-kb-block=\"kb-adv-heading14010_2a608b-6a_76\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_76 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_76\">Always stay within the maximum pressure and speed limits listed in the technical catalog.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_77, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_77[data-kb-block=\"kb-adv-heading14010_2a608b-6a_77\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_77 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_77[data-kb-block=\"kb-adv-heading14010_2a608b-6a_77\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_77 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_77[data-kb-block=\"kb-adv-heading14010_2a608b-6a_77\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_77 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_77\">Frequently Asked Questions<\/h2>\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1776166209398\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">1) What is the difference between ISO and UNI mounting types?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>ISO and UNI refer to mounting flange and shaft standards. ISO is a 4-bolt European standard commonly used in heavy-duty vehicles, while UNI is a 3-bolt configuration. The PTO output must match the pump mounting type exactly.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1776166570230\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">2) What happens if I use a pump with a lower flow rate than required?<br><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The hydraulic system will operate slower than expected. Increasing engine RPM to compensate can exceed the pump\u2019s limits and may cause internal damage or bearing failure.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1776166594862\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">3) Why is my gear pump making a loud whining noise?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>A loud whining noise is typically caused by cavitation. This occurs when the pump cannot draw enough oil due to restricted flow, undersized inlet hoses, clogged filters, or cold and thick hydraulic oil.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1776166608254\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">4) Can I use automatic transmission fluid (ATF) instead of hydraulic oil?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>No. Hydraulic systems require mineral-based hydraulic oils such as ISO 32 or ISO 46. ATF does not provide the necessary viscosity or anti-wear protection for high-pressure gear pump operation.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1776166626085\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">5) How often should I check the hydraulic installation?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>It is recommended to check the system every month or every 500 operating hours. Regular inspection helps detect leaks, oil degradation, and filter issues early.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1776166639325\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">6) How do I choose the right hydraulic gear pump?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>You should consider flow rate (L\/min), pressure requirements, mounting type, rotation direction, and operating temperature. Choosing the correct pump ensures efficiency, reliability, and long-term performance.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1776169531088\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \">Who manufactures reliable hydraulic gear pumps?<\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Hayneks Hydraulic manufactures high-quality gear pumps designed for durability, efficiency, and heavy-duty applications across multiple industries.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div><style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_93, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_93[data-kb-block=\"kb-adv-heading14010_2a608b-6a_93\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_93 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_93[data-kb-block=\"kb-adv-heading14010_2a608b-6a_93\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_93 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_93[data-kb-block=\"kb-adv-heading14010_2a608b-6a_93\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_93 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_93\"><strong>Hydraulic System Inspection Checklist<\/strong><br\/>To ensure long-term performance, regularly inspect the hydraulic system and monitor key components:<br\/>Oil quality<br\/>Filter cleanliness<br\/>Leaks around the warning hole<br\/>A practical maintenance interval is <strong>every month or every 500 operating hours<\/strong>.<\/p>\n<style>.kb-image14010_f03171-6f .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image14010_f03171-6f\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/haynekshydraulic.com\/wp-content\/uploads\/\" alt=\"\" class=\"kb-img wp-image-13422\"\/><\/figure><\/div>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_96, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_96[data-kb-block=\"kb-adv-heading14010_2a608b-6a_96\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_96 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_96[data-kb-block=\"kb-adv-heading14010_2a608b-6a_96\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_96 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_96[data-kb-block=\"kb-adv-heading14010_2a608b-6a_96\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_96 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_96\"> Engineering Reliability Into Your Fleet<\/h2>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_97, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_97[data-kb-block=\"kb-adv-heading14010_2a608b-6a_97\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_97 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_97[data-kb-block=\"kb-adv-heading14010_2a608b-6a_97\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_97 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_97[data-kb-block=\"kb-adv-heading14010_2a608b-6a_97\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_97 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_97\">A hydraulic gear pump is a precision component, not just a mechanical accessory. Correct flow-rate sizing, proper seasonal oil selection, and disciplined installation practices all play a critical role in long-term reliability.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_98, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_98[data-kb-block=\"kb-adv-heading14010_2a608b-6a_98\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_98 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_98[data-kb-block=\"kb-adv-heading14010_2a608b-6a_98\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_98 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_98[data-kb-block=\"kb-adv-heading14010_2a608b-6a_98\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_98 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_98\">Whether you are installing a 17cc pump for a light-duty application or a 151cc pump for high-volume hydraulic work, understanding the engineering behind pump performance is the best way to reduce downtime and prevent failure.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_e28fc1-0a_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_e28fc1-0a_0[data-kb-block=\"kb-adv-heading14010_e28fc1-0a_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_e28fc1-0a_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_e28fc1-0a_0[data-kb-block=\"kb-adv-heading14010_e28fc1-0a_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_e28fc1-0a_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_e28fc1-0a_0[data-kb-block=\"kb-adv-heading14010_e28fc1-0a_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_e28fc1-0a_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_e28fc1-0a_0\">At Hayneks Hydraulic, we deliver durable and high-performance hydraulic gear pumps trusted in demanding environments. Contact our team to find the right solution for your system.<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_99, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_99[data-kb-block=\"kb-adv-heading14010_2a608b-6a_99\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_99 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_99[data-kb-block=\"kb-adv-heading14010_2a608b-6a_99\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_99 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_99[data-kb-block=\"kb-adv-heading14010_2a608b-6a_99\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading14010_2a608b-6a_99 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_99\">Ready to Upgrade Your Hydraulic System?<\/h2>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_100, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_100[data-kb-block=\"kb-adv-heading14010_2a608b-6a_100\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_100 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_100[data-kb-block=\"kb-adv-heading14010_2a608b-6a_100\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_100 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_2a608b-6a_100[data-kb-block=\"kb-adv-heading14010_2a608b-6a_100\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_2a608b-6a_100 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_2a608b-6a_100\">Are you looking for high-performance hydraulic <a href=\"https:\/\/haynekshydraulic.com\/tr\/k\/disli-pompalar\/\">gear pumps<\/a> designed for demanding operating conditions?<\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_9d59b3-d1_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_9d59b3-d1_0[data-kb-block=\"kb-adv-heading14010_9d59b3-d1_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_9d59b3-d1_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_9d59b3-d1_0[data-kb-block=\"kb-adv-heading14010_9d59b3-d1_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_9d59b3-d1_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_9d59b3-d1_0[data-kb-block=\"kb-adv-heading14010_9d59b3-d1_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_9d59b3-d1_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_9d59b3-d1_0\"><a href=\"https:\/\/haynekshydraulic.com\/tr\/iletisim\/\">\ud83d\udc49 Contact our experts:<\/a><\/p>\n<style>.wp-block-kadence-advancedheading.kt-adv-heading14010_e2d14b-d8_0, .wp-block-kadence-advancedheading.kt-adv-heading14010_e2d14b-d8_0[data-kb-block=\"kb-adv-heading14010_e2d14b-d8_0\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading14010_e2d14b-d8_0 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading14010_e2d14b-d8_0[data-kb-block=\"kb-adv-heading14010_e2d14b-d8_0\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading14010_e2d14b-d8_0 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading14010_e2d14b-d8_0[data-kb-block=\"kb-adv-heading14010_e2d14b-d8_0\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading14010_e2d14b-d8_0 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading14010_e2d14b-d8_0\">\ud83d\udc49 <a href=\"https:\/\/api.whatsapp.com\/send\/?phone=905326780642&amp;text&amp;type=phone_number&amp;app_absent=0\" target=\"_blank\" rel=\"noopener\">Get instant quote on WhatsApp<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hidrolik di\u015fli pompalar\u0131n teknik \u00f6zellikleri, se\u00e7im kriterleri ve do\u011fru montaj y\u00f6ntemleri hakk\u0131nda kapsaml\u0131 bilgi. A\u011f\u0131r makinelerde kullan\u0131lan pompalar\u0131n performans\u0131n\u0131 maksimize etmek i\u00e7in gerekli t\u00fcm detaylar\u0131 \u00f6\u011frenin.<\/p>\n","protected":false},"author":1,"featured_media":9150,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_joinchat":[],"footnotes":""},"categories":[1008],"tags":[],"class_list":["post-14571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-power-take-off"],"rank_math_title":"Hydraulic Gear Pumps: Sizing, Installation &amp; Selection Guide","rank_math_description":"Hydraulic gear pumps guide: learn sizing, installation, oil selection, and maintenance tips to improve performance and extend system lifespan.","rank_math_focus_keyword":"hydraulic gear pumps,Hayneks Hydraulic gear pumps","rank_math_canonical_url":"","yoast_wpseo_title":"","yoast_wpseo_description":"","yoast_wpseo_focuskw":"","yoast_wpseo_canonical":"","taxonomy_info":{"category":[{"value":1008,"label":"POWER TAKE OFF"}]},"featured_image_src_large":["https:\/\/haynekshydraulic.com\/wp-content\/uploads\/2025\/04\/ANA-KATEGOR-3-YOLLU-VE-4-YOLLU-VANALAR-6ISO-4-Stud-Mounting-Gear-Pumps-min-300x300-1.jpg",600,600,false],"author_info":{"display_name":"haynekshydraulic","author_link":"https:\/\/haynekshydraulic.com\/tr\/author\/haynekshydraulic\/"},"comment_info":0,"category_info":[{"term_id":1008,"name":"POWER TAKE OFF","slug":"power-take-off","term_group":0,"term_taxonomy_id":1008,"taxonomy":"category","description":"","parent":0,"count":2,"filter":"raw","cat_ID":1008,"category_count":2,"category_description":"","cat_name":"POWER TAKE OFF","category_nicename":"power-take-off","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/posts\/14571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/comments?post=14571"}],"version-history":[{"count":12,"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/posts\/14571\/revisions"}],"predecessor-version":[{"id":14603,"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/posts\/14571\/revisions\/14603"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/media\/9150"}],"wp:attachment":[{"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/media?parent=14571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/categories?post=14571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haynekshydraulic.com\/tr\/wp-json\/wp\/v2\/tags?post=14571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}