ZF POWER TAKE-OFFS (HAYNEKS OA SERIES)

The ZF 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 modern commercial vehicles.

The Hayneks OA Series is meticulously engineered to fit a massive range of ZF gearboxes, including the highly popular 9S, 16S, and 12AS series found in Ecosplit, Ecomid, Astronic, and Traxon systems. Always verify the specific transmission identification code (ZF specification number) for a perfect fit.

Built for demanding industrial applications, these ZF PTO units support torque capacities generally ranging from 300 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.

For optimal reliability and operator comfort, a pneumatic (air) shift system is utilized as the primary standard for ZF transmissions. This allows for smooth, air-shifted engagement directly from the cabin, protecting the transmission gears from mechanical shock.

Yes. The ZF 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.

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.

Depending on the specific gearbox model and the vehicle's chassis clearance, Hayneks ZF PTOs are designed for Rear, Bottom, Left Side, or Right Side mounting. Rear-mounted PTOs (often used on Ecosplit models) are particularly popular for driving high-capacity piston pumps directly.

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.

These heavy-duty units are the industry standard for construction, heavy logistics, municipal services, and agriculture. They provide the primary driving force for concrete mixers, refuse compactors, and specialized recovery vehicles built on chassis equipped with ZF drivelines.

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.