Overview
The ZF 4616.124.006 POWER TAKE-OFF (PTO) is a critical OEM genuine component engineered specifically for the WG 65 Series transmission. This unit provides a mechanical power interface, allowing auxiliary equipment such as hydraulic pumps or compressors to draw rotational energy directly from the transmission’s gear train. The 4616.124.006 SKU is designed to bolt onto the designated PTO aperture of the transmission housing, where it engages with internal drive gears to deliver consistent torque output. As a factory-spec part, it ensures precise alignment and load capacity, reducing parasitic losses in demanding industrial applications.
Symptoms of Failure
- Oil seepage around the PTO mounting flange: When the 4616.124.006 unit wears, degraded sealing surfaces allow transmission fluid to escape, often leaving visible drips under the vehicle or machinery.
- Intermittent gear disengagement under load: A worn shift fork or damaged internal splines cause the PTO to slip out of mesh, resulting in a sudden loss of hydraulic pressure or pump output during operation.
- Grinding or whining noise during engagement: Worn bearings or gear teeth within the PTO assembly produce audible metallic sounds, particularly when the unit is first engaged or under heavy torque.
- Difficulty engaging or disengaging the PTO: Internal corrosion or debris contamination can cause the shift mechanism to bind, requiring excessive force on the control lever or solenoid.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4616.124.006 |
| Material | High-strength cast iron housing with hardened steel gears |
| Weight | Approx. 12.5 kg (27.6 lbs) |
| Mounting Bolt Pattern | 6-bolt SAE “B” pattern |
| Input Speed Range | Up to 2500 RPM |
| Torque Capacity | 600 Nm (442 ft-lbs) intermittent |
| Sealing Type | O-ring and gasket seal (see 0634313118: O-RING) |
Compatibility
This genuine ZF 4616.124.006 PTO is designed for the WG 65 Series transmission family. Based on its mounting interface and gear ratio, it is also compatible with the following ZF models that share the same PTO drive aperture: WG180, WG200, and WG250. It is commonly used in off-highway trucks, wheel loaders, and industrial power units where a reliable power take-off is essential for auxiliary systems. Always verify the transmission serial number and housing casting to confirm fitment.
When installing the 4616.124.006, it is critical to inspect the 4616101065: TRANSMISSION HOUSING for cracks or wear at the mounting pad. Secure the PTO using the correct fasteners: 0636011038: HEXAGON SCREW for the main flange, 0636011118: HEXAGON SCREW for the cover plate, and 0636016015: HEXAGON SCREW for the shift mechanism bracket. Proper torque sequencing prevents distortion and oil leaks.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616101065 | TRANSMISSION HOUSING | Main structural casing that supports the PTO mounting pad |
| 0636011038 | HEXAGON SCREW | M10 fastener for securing PTO flange to housing |
| 0636011118 | HEXAGON SCREW | M8 fastener for PTO cover plate retention |
| 0636016015 | HEXAGON SCREW | M12 fastener for shift mechanism bracket |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for precise PTO positioning |
| 0634313118 | O-RING | Static seal between PTO and housing flange |
| 0636304019 | SCREW PLUG | Oil drain or fill plug for PTO cavity |
| 0634801152 | SEALING RING | Copper washer for screw plug sealing |
| 0732611049 | FILTER INSERT | Internal oil filter for PTO lubrication circuit |
| 0634303718 | O-RING | Seal for filter cover or shift shaft bore |
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
