Overview
The ZF 4657.154.004 POWER TAKE-OFF is a critical OEM genuine component engineered specifically for the WG190 transmission series. This unit, identified by SKU 4657.154.004, mounts directly to the transmission housing to divert engine power to auxiliary hydraulic systems, such as dump truck hoists or concrete mixer drums. It interfaces seamlessly with the 4657101039: TRANSMISSION HOUSING and the 4657201028: HOUS.FRONT SECT to ensure precise gear engagement and reliable torque transfer. As a direct OEM replacement, this PTO eliminates guesswork in fitment and delivers factory-specified performance for demanding vocational applications.
Symptoms of Failure
- Oil leaks around the PTO mounting flange: When the 4657.154.004 seal degrades, transmission fluid seeps past the gasket, often visible as drips under the vehicle near the bell housing.
- Grinding or whining noise during PTO engagement: Worn internal bearings or gear teeth cause audible metallic sounds, especially when the unit is under load.
- Intermittent power loss to auxiliary equipment: A failing PTO may slip or fail to engage fully, resulting in reduced hydraulic pressure or erratic operation of pumps.
- Difficulty shifting the PTO lever or solenoid: Internal corrosion or gear binding can make engagement stiff or impossible, indicating imminent failure of the unit.
Technical Specifications
| Specification | Detail |
|---|---|
| OEM Part Number | 4657.154.004 |
| Material | High-strength cast iron housing with hardened steel gears |
| Weight | Approximately 8.5 kg (18.7 lbs) |
| Dimensions (L x W x H) | 320 mm x 180 mm x 150 mm |
| Mounting Type | Six-bolt flange with dowel pin alignment |
| Torque Capacity | Up to 450 Nm (332 ft-lbs) continuous |
| Oil Type | ZF TE-ML 03 or equivalent SAE 80W-90 |
Compatibility
This power take-off is engineered for the ZF WG190 transmission series, but it also fits select models in the BP 210, BP 230, WG 210, and WG 230 families. It is a direct replacement for units originally equipped with a six-bolt PTO aperture. For proper installation, ensure the 4657201013: HOUSING REAR PART is correctly aligned, and use the 0631306792: CYLINDRICAL PIN for precise positioning during assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101039 | TRANSMISSION HOUSING | Main structural casing that encloses gears and shafts |
| 4657201028 | HOUS.FRONT SECT | Front section of the transmission housing for input shaft support |
| 4657201013 | HOUSING REAR PART | Rear housing section that supports output shaft and PTO mounting |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for precise housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Retains PTO gear assembly in position |
| 4657301034 | SCREEN SHEET | Filter screen for oil return circuit |
| 4657301035 | SCREEN SHEET | Secondary filter screen for hydraulic system |
| 0636100803 | CAP SCREW | Bolt for PTO cover plate attachment |
| 4681301040 | OIL FEED.HOUSG. | Directs lubricating oil to PTO bearings |
Frequently Asked Questions
Q: Can the 4657.154.004 PTO be installed on a WG210 transmission?
A: Yes, this PTO is compatible with the WG210 series, provided the transmission has the correct six-bolt PTO aperture and the rear housing is the same design as the WG190.
Q: What torque should I use for the mounting bolts?
A: ZF recommends tightening the six flange bolts to 65 Nm (48 ft-lbs) in a cross-pattern sequence. Always use new lock washers and check the 0636100801: CAP SCREW for proper thread engagement.
Q: How do I know if my PTO is failing due to a worn screen sheet?
A: If you experience low hydraulic pressure or sluggish pump response, inspect the 4657301034: SCREEN SHEET for debris or clogging. A blocked screen restricts oil flow and mimics PTO failure.
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Phone: +86 158 2286 3467 |
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