Overview
The ZF 4657.055.132 5 WG 210 Powershift Transmission Assembly is a complete, factory-matched unit designed for heavy-duty off-highway machinery. This assembly integrates the core gear train, clutch packs, and hydraulic control components into a single, ready-to-install package. As a full replacement for the WG 210 series, it eliminates the need for piecemeal repairs, ensuring precise gear engagement and torque delivery under extreme loads. The SKU 4657.055.132 is the direct OEM reference for this complete unit, which sits as the central power transfer module between the engine and the final drive. For proper sealing and structural integrity, this assembly mates directly with the 4657101082: TRANSMISSION HOUSING and the 4657201166: HOUS.FRONT SECT to form the main casing.
Symptoms of Failure
When the ZF 4657.055.132 assembly begins to fail, operators typically notice these specific performance issues:
- Delayed or harsh gear engagement: The transmission hesitates before shifting into forward or reverse, often accompanied by a jarring clunk. This indicates worn clutch discs or degraded hydraulic seals inside the assembly.
- Torque loss under load: The machine struggles to maintain speed on inclines or during heavy pushing, suggesting internal pressure loss or slipping clutches within the 5 WG 210 unit.
- External oil seepage at housing joints: Fluid leaks develop where the assembly meets the 4657201170: HOUSING REAR PART or the 4657298102: HOUSING REAR SECTION, indicating gasket failure or housing warpage.
- Unusual whining or grinding noises: High-pitched sounds during operation point to bearing wear or gear tooth damage inside the main assembly.
Technical Specifications
| OEM Part Number | 4657.055.132 |
| Assembly Type | Complete Powershift Transmission (5-speed) |
| Series | WG 210 |
| Estimated Weight | 185 kg (408 lbs) |
| Housing Material | High-strength cast iron |
| Input Torque Capacity | Up to 1,200 Nm |
| OEM Reference | ZF 5 WG 210 |
Compatibility
This complete assembly is engineered specifically for the ZF WG 210 series powershift transmissions. It is directly compatible with models including the WG180, WG200, and WG210 variants found in telehandlers, wheel loaders, and industrial tractors. The unit is designed to replace both early and late production versions of the 5 WG 210. For auxiliary fastening, use the 0636100801: CAP SCREW and 0636100803: CAP SCREW for secure mounting to the engine bellhousing.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for gear support |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201170 | HOUSING REAR PART | Rear casing for output shaft support |
| 4657298102 | HOUSING REAR SECTION | End cover for rear bearing retention |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Fastener for front housing attachment |
| 4656301148 | FIXING PLATE | Locking plate for clutch pack retention |
| 4657301032 | SCREEN SHEET | Filter screen for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Secondary filter screen for oil return |
| 0636100803 | CAP SCREW | Fastener for rear housing section |
