Overview
The ZF 4657.154.020 Power Take-Off (PTO) is a critical auxiliary drive component engineered for the WG190, WG210, and WG230 series transmissions. This OEM genuine part mounts directly to the transmission housing, channeling engine torque to operate hydraulic pumps, compressors, or other secondary equipment. Designed for demanding industrial applications, the SKU 4657.154.020 ensures seamless power transfer without compromising the main driveline. It interfaces precisely with the 4657101082: TRANSMISSION HOUSING and the 4657201166: HOUS.FRONT SECT to maintain structural integrity during high-load operations.
Symptoms of Failure
- Oil leaks around the PTO mounting flange: When the 4657.154.020 seal degrades, transmission fluid seeps past the gasket, often pooling beneath the vehicle or leaving wet spots on the 4657201170: HOUSING REAR PART.
- Intermittent gear slipping under load: Worn internal splines cause the PTO to disengage momentarily, producing a grinding noise and erratic hydraulic pump performance.
- Excessive vibration during PTO engagement: Bearing wear within the unit creates noticeable shaking, which can propagate to the 4657298102: HOUSING REAR SECTION and adjacent components.
- Difficulty engaging or disengaging the PTO: Internal corrosion or debris buildup prevents the shift collar from moving freely, leading to delayed or incomplete activation.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.154.020 |
| Weight | 4.2 kg (9.3 lbs) |
| Material | High-grade cast iron with hardened steel gears |
| Dimensions (L x W x H) | 210 mm x 145 mm x 120 mm |
| OEM Reference | ZF 4657.154.020 |
| Torque Capacity | 450 Nm (332 ft-lbs) |
| Mounting Bolt Pattern | 6-hole, 80 mm spacing |
Compatibility
This genuine ZF power take-off is engineered for the WG 190 Series, WG 210 Series, and WG 230 Series transmissions. It is also compatible with earlier WG180 and WG200 models when paired with the correct 0631306816: CYLINDRICAL PIN and 0636100801: CAP SCREW for secure fastening. Always verify your transmission serial number against the OEM parts list before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4657201166 | HOUS.FRONT SECT | Front section of the transmission housing |
| 4657201170 | HOUSING REAR PART | Rear housing component for bearing support |
| 4657298102 | HOUSING REAR SECTION | End cap for rear housing assembly |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise component positioning |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Mounting bracket for PTO stability |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil debris |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for large particles |
| 0636100803 | CAP SCREW | Bolt for PTO flange attachment |
Frequently Asked Questions
Q: How do I know if the 4657.154.020 PTO is failing?
A: Listen for grinding noises during engagement, check for oil drips near the PTO flange, and monitor for reduced hydraulic pressure. These signs indicate worn seals or gears.
Q: Can this PTO be installed on a WG180 transmission?
A: Yes, but you must also replace the 4656301148: FIXING PLATE and use the correct 0636100803: CAP SCREW to ensure proper alignment and torque specs.
Q: What maintenance is recommended for this PTO?
A: Inspect the 4657301032: SCREEN SHEET and 4657301033: SCREEN SHEET filters every 500 operating hours to prevent debris from damaging the PTO gears.
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Phone: +86 158 2286 3467 |
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