Overview
The ZF 4657.154.007 POWER TAKE-OFF is a critical OEM genuine component engineered specifically for the WG 190 Series transmission family. This unit, identified by SKU 4657.154.007, mounts directly to the transmission housing to divert engine power to auxiliary hydraulic systems, such as pumps for dump trucks, concrete mixers, or refuse vehicles. It interfaces seamlessly with the 4657101033: TRANSMISSION HOUSING and the 4657201027: HOUS.FRONT SECT to ensure precise gear engagement and oil distribution. As a direct OEM replacement, this PTO eliminates guesswork in fitment and delivers the exact torque capacity required for heavy-duty vocational applications.
Symptoms of Failure
When the ZF 4657.154.007 POWER TAKE-OFF begins to wear, operators often notice distinct performance issues. Oil leaks around the PTO mounting flange are a common early indicator, often caused by degraded seals or gasket failure. Gear slipping under load occurs when internal splines or the shift collar lose tolerance, leading to intermittent power loss to the hydraulic pump. Unusual grinding or whining noises during engagement suggest bearing wear or insufficient lubrication. Finally, difficulty engaging or disengaging the PTO can point to a worn shift mechanism or contamination within the 4657201012: HOUSING REAR PART assembly.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4657.154.007 |
| Material | High-strength cast iron with hardened steel gears |
| Weight | Approx. 8.5 kg (18.7 lbs) |
| Input Speed Range | Up to 2500 RPM |
| Torque Capacity | 450 Nm (332 lb-ft) |
| Mounting Orientation | Side-mounted, left or right |
| Lubrication | Transmission oil splash |
Compatibility
This PTO is primarily designed for the ZF WG 190 Series transmissions, including models such as WG180, WG190, and WG200. It is also compatible with certain variants of the ZF Ecolife and AS Tronic mid-range series when used with the correct adapter kit. For proper installation, ensure the 0631306792: CYLINDRICAL PIN is correctly aligned to prevent misalignment of the shift fork. Always verify your transmission model number and housing configuration before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4657201027 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201012 | HOUSING REAR PART | Rear section supporting output bearings |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | Fastener for PTO mounting |
| 4656301148 | FIXING PLATE | Secures PTO shift mechanism |
| 4657301032 | SCREEN SHEET | Filter mesh for oil intake |
| 4657301033 | SCREEN SHEET | Secondary oil strainer |
| 0636100803 | CAP SCREW | Bolt for housing cover |
| 4681301040 | OIL FEED.HOUSG. | Lubrication channel housing |
Frequently Asked Questions
Q: Can the ZF 4657.154.007 be used on a WG200 transmission?
A: Yes, this PTO is compatible with WG180, WG190, and WG200 models, provided the housing interface matches. Always cross-reference your transmission serial number.
Q: What causes premature failure of this PTO?
A: Common causes include low transmission oil level, contaminated oil, or improper alignment of the 0631306792: CYLINDRICAL PIN during installation.
Q: Is a gasket included with the 4657.154.007?
A: No, the PTO is sold as a bare unit. We recommend ordering a new gasket and the 0636100801: CAP SCREW set separately for a leak-free installation.
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Phone: +86 158 2286 3467 |
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