Overview
The ZF 4651.154.001 POWER TAKE-OFF is a critical OEM genuine component engineered for the WG 100 Series transmission family. This unit serves as the mechanical interface that transfers engine torque from the transmission housing to auxiliary hydraulic or mechanical systems, such as pumps or winches. Designed to bolt directly onto the PTO aperture of the transmission, the SKU 4651.154.001 ensures precise gear engagement and minimal power loss during operation. It integrates seamlessly with the 4651101005: TRANSMISSION HOUSING and the 4651301010: HOUSING to maintain structural integrity under high-load conditions.
Symptoms of Failure
When the ZF 4651.154.001 PTO begins to degrade, operators typically notice three distinct failure modes. First, oil seepage around the PTO mounting flange is common, often caused by a compromised 0634303928: O-RING between the unit and the transmission case. Second, intermittent gear slipping under load occurs when internal shift forks wear, leading to a loss of torque transfer to auxiliary equipment. Third, abnormal whining or grinding noises during engagement indicate bearing fatigue within the PTO assembly. Finally, difficulty engaging or disengaging the PTO suggests corrosion or debris buildup in the shift mechanism, often linked to a failing 4651301017: HOUSING seal.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4651.154.001 |
| OEM Reference | ZF WG 100 Series |
| Material | High-grade cast iron with hardened steel gears |
| Weight | Approx. 8.2 kg (18.1 lbs) |
| Input Torque Capacity | Up to 600 Nm |
| Mounting Flange Diameter | 130 mm |
| Output Shaft Spline | DIN 5480 (8-tooth) |
| Operating Temperature Range | -20°C to +120°C |
Compatibility
This genuine ZF power take-off is specifically validated for the WG 100 Series transmissions, including models such as the WG100, WG120, and WG150. It is also backward-compatible with certain WG180 and WG200 variants when used with the appropriate 4651101005: TRANSMISSION HOUSING adapter kit. For optimal sealing and performance, always pair this PTO with the 0634303928: O-RING and the 4651301010: HOUSING gasket set. Verify your transmission model’s PTO aperture dimensions before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101005 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4651301010 | HOUSING | Secondary housing for PTO mounting interface |
| 0634303928 | O-RING | Seals PTO flange to prevent oil leaks |
| 4651301017 | HOUSING | Rear cover housing for shift mechanism |
| 4651203002 | SCREEN SHEET | Filters debris from transmission oil flow |
| 4651303005 | SCREEN SHEET | Secondary oil strainer for PTO circuit |
| 0636101032 | CAP SCREW | Fastens housing components with M10 thread |
| 0630361028 | SEALING CAP | Protects unused PTO ports from contamination |
| 0636304032 | SCREW PLUG | Closes oil drain or fill ports |
| 0634303312 | O-RING | Seals screw plug against pressure loss |
