Overview
The ZF 4657.055.133 5 WG 210 Powershift Transmission Assembly is a complete, factory-engineered unit designed for heavy-duty off-highway vehicles, including wheel loaders, graders, and material handlers. This assembly integrates the full gear train, clutch packs, and hydraulic control system within a single housing, serving as the core power transfer module in the WG 210 series. The SKU 4657.055.133 replaces worn or failed transmissions to restore original shift quality and torque capacity. It mounts directly between the torque converter and the final drive, ensuring seamless power flow under extreme loads. When rebuilding, this unit is often paired with the 4657101082: TRANSMISSION HOUSING to provide a structurally sound foundation, while the 4657201166: HOUS.FRONT SECT and 4657201170: HOUSING REAR PART enclose the rotating assemblies. For complete rear-end sealing, the 4657298102: HOUSING REAR SECTION is also commonly specified.
Symptoms of Failure
- Delayed or harsh gear engagement – Worn clutch discs or hydraulic seal degradation inside the assembly cause hesitation when shifting from neutral to forward or reverse, often accompanied by a jarring clunk.
- Transmission oil leaks at the housing seam – Cracks or gasket failure in the main casing lead to visible fluid drips, especially after extended operation under high torque.
- Intermittent power loss under load – Internal bearing wear or planetary gear damage results in slipping during uphill climbs or heavy digging cycles, with the engine revving but vehicle speed dropping.
- Unusual whining or grinding noises – Metal-to-metal contact from failed thrust washers or broken gear teeth produces a distinct high-pitched sound that worsens with throttle application.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4657.055.133 |
| Series | WG 210 |
| Assembly Type | Complete Powershift Transmission |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Housing Material | High-strength cast iron (GGG-40) |
| Overall Length | 620 mm |
| Overall Width | 480 mm |
| Overall Height | 410 mm |
| Number of Speeds | 5 forward / 1 reverse |
| Max Input Torque | 2100 Nm |
| OEM Reference | ZF 5 WG 210 |
Compatibility
This complete unit is engineered specifically for the ZF WG 210 transmission series. It is directly compatible with models including WG180, WG200, and WG210 variants found in equipment from manufacturers such as Caterpillar, Volvo, and Liebherr. The assembly also fits select WG150 applications when used with the appropriate adapter kit. Always verify the housing casting numbers before installation; the 4657101082: TRANSMISSION HOUSING and 4657201166: HOUS.FRONT SECT are critical for confirming fitment with earlier WG180 builds.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for gear and clutch assembly |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft and pump drive |
| 4657201170 | HOUSING REAR PART | Rear cover for output shaft and parking brake interface |
| 4657298102 | HOUSING REAR SECTION | Extended rear housing for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing doweling |
| 0636100801 | CAP SCREW | M12 fastener for housing bolting |
| 4656301148 | FIXING PLATE | Locking plate for clutch piston retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit protection |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump pickup |
| 0636100803 | CAP SCREW | M10 fastener for cover plate attachment |
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