Overview
The ZF 4616.119.020 POWER TAKE-OFF is a genuine OEM component engineered for the WG 65 Series transmission family. This PTO unit transfers engine torque to auxiliary hydraulic systems, such as dump truck hoists or concrete mixer drums, by engaging directly with the transmission’s gear train. As a critical interface between the driveline and secondary equipment, the SKU 4616.119.020 ensures precise power distribution without parasitic losses. It mounts to the transmission housing and relies on a robust output shaft assembly to maintain consistent performance under heavy loads.
Symptoms of Failure
When the 4616.119.020 power take-off begins to wear, operators often notice oil leaks around the PTO mounting flange, indicating degraded seals. A second common failure sign is gear slipping or intermittent engagement when activating hydraulic pumps, which can stem from worn internal splines. Additionally, unusual grinding noises during PTO engagement suggest bearing fatigue or misalignment. Finally, reduced hydraulic pressure or slow auxiliary system response may point to internal gear damage within the unit.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4616.119.020 |
| Material | High-strength alloy steel (case-hardened) |
| Weight | 12.5 kg (27.6 lbs) |
| Dimensions (L x W x H) | 280 mm x 160 mm x 140 mm |
| OEM Reference | ZF WG 65 Series |
| Max Torque Capacity | 1,200 Nm |
| Mounting Type | Flange-mounted, 6-bolt pattern |
Compatibility
This ZF 4616.119.020 power take-off is specifically designed for the WG 65 Series transmission, which includes models such as the WG180, WG200, WG250, and WG300. It is also compatible with certain WG 60 Series variants that share the same PTO mounting interface. Always verify the transmission serial number before installation to ensure proper fitment.
Related Components
During installation or overhaul, several companion parts are commonly replaced alongside the 4616.119.020. The 4616105415 OUTPUT shaft transfers rotational force from the PTO to downstream equipment. The 4616303144 OUTPUT FLANGE provides the connection point for drive shafts. The 4616101094 TRANSMISSION HOUSING encloses the entire assembly, while 0636011038 HEXAGON SCREW secures the PTO to the housing. Additional fasteners and seals include 0636011118 HEXAGON SCREW, 0636016015 HEXAGON SCREW, 0631306085 CYLINDRICAL PIN, 0634313118 O-RING, 0732611049 FILTER INSERT, and 0634303718 O-RING.
| Part Number | Name | Function |
|---|---|---|
| 4616105415 | OUTPUT | Transfers torque from PTO to driveline |
| 4616303144 | OUTPUT FLANGE | Connects drive shaft to output shaft |
| 4616101094 | TRANSMISSION HOUSING | Encloses and protects internal gears |
| 0636011038 | HEXAGON SCREW | Secures PTO to housing |
| 0636011118 | HEXAGON SCREW | Fastens output flange assembly |
| 0636016015 | HEXAGON SCREW | Mounting bolt for PTO cover |
| 0631306085 | CYLINDRICAL PIN | Aligns PTO during installation |
| 0634313118 | O-RING | Seals PTO-to-housing interface |
| 0732611049 | FILTER INSERT | Filters hydraulic fluid in PTO circuit |
| 0634303718 | O-RING | Seals output flange connection |
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