Optimum Series Pto Mack 2 Dm686 Pneu. With Shaft
CODE: PT-1110541P0
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Global Hydraulic Excellence by Hayneks Hydraulic. Maximize the operational efficiency of heavy-duty fleets with premium MACK POWER TAKE-OFFS. Specifically engineered for seamless integration with North American commercial vehicle transmissions, the Hayneks OA Series delivers unmatched power transfer. The extensive product line is designed for flawless compatibility with legendary Mack gearbox families, including Mack mDRIVE and Maxitorque series. Renowned globally for robust cast-iron construction and precision gear geometry, Hayneks PTOs provide the reliable driving force needed for heavy tippers, concrete mixers, refuse trucks, and recovery vehicles. Ensure hydraulic systems operate at peak performance with Hayneks engineering.
MACK POWER TAKE-OFFS: Technical FAQ
1. What defines the quality of MACK POWER TAKE-OFFS in the Hayneks OA Series?
The MACK POWER TAKE-OFFS are manufactured with reinforced cast iron housings and precision-ground gears. This heavy-duty architecture guarantees maximum torque density, ensuring structural integrity even under the extreme hydraulic loads typical of North American commercial vehicles.
2. Which Mack transmissions are compatible with these PTO units?
The Hayneks OA Series is meticulously engineered to fit a massive range of Mack gearboxes, including the highly popular automated manual mDRIVE and the traditional manual Maxitorque systems. Always verify the specific transmission identification code for a perfect fit.
3. What is the typical torque capacity for Mack-compatible PTOs?
Built for demanding industrial applications, these Mack PTO units support torque capacities generally ranging from 400 Nm up to 1000+ Nm, depending on the specific model and mounting position. This high-torque capability is essential for operating heavy tippers, large hook loaders, and high-pressure piston pumps.
4. What type of engagement system is used for Mack PTOs?
For optimal reliability and operator comfort, a pneumatic (air) shift system is utilized as the primary standard for Mack transmissions. This allows for smooth, air-shifted engagement directly from the cabin, protecting the transmission gears from mechanical shock.
5. Can a hydraulic pump be mounted directly to the unit?
Yes. The Mack PTOs feature standardized ISO 4-bolt and UNI 3-bolt output flanges, allowing for the direct mounting of heavy-duty gear or piston pumps. This direct-mount design eliminates the need for cardan drive shafts, significantly reducing system vibration and power loss.
6. Why is selecting the correct gear ratio vital for Mack hydraulics?
The gear ratio determines the rotational speed of the hydraulic pump relative to the engine's RPM. An optimized ratio ensures the pump delivers the necessary oil flow at lower engine speeds, which reduces fuel consumption and prevents the hydraulic oil from overheating.
7. Where are these PTOs typically mounted on a Mack transmission?
Depending on the specific gearbox model and the chassis clearance, Hayneks Mack PTOs are designed for Rear, Bottom, or Side mounting. Rear-mounted PTOs on mDRIVE transmissions are particularly popular for driving high-capacity piston pumps directly without chassis interference.
8. How is gear noise and wear prevented during installation?
Preventing gear whining relies entirely on accurate backlash adjustment. Every Hayneks PTO includes a specialized mounting kit with precision gaskets. Using these shims to set the exact clearance between the PTO gear and the transmission gear is critical for long-term reliability.
9. Which industries rely most on the Hayneks Mack OA Series?
These heavy-duty units are the industry standard for construction, heavy logistics, municipal services, and forestry. They provide the primary driving force for concrete mixers, refuse compactors, and specialized recovery vehicles built on tough Mack truck platforms.
10. Are the mounting studs and gaskets included in the package?
Yes, to ensure a seamless and leak-proof installation, every Hayneks unit is shipped with a comprehensive mounting kit. This includes all necessary high-tensile studs, locking nuts, and the exact thickness of gaskets required for proper calibration.
