Overview
The ZF 4657.056.141 6 WG 210 Powershift Transmission Assembly is a complete, factory-grade unit engineered for heavy-duty off-highway applications. This assembly integrates the full clutch pack, planetary gear sets, and hydraulic control system within a single, ready-to-install package. As the core rotating assembly for the WG 210 series, it directly governs torque distribution and gear engagement in wheel loaders, dozers, and material handlers. The SKU 4657.056.141 is the direct replacement for the original OEM assembly, eliminating the need for partial rebuilds. When installing this unit, ensure the 4657101082: TRANSMISSION HOUSING is free of cracks and the 4657201166: HOUS.FRONT SECT is properly aligned to prevent oil starvation.
Symptoms of Failure
- Delayed engagement or gear slipping under load: Worn clutch discs or fatigued seals inside the assembly cause the transmission to hesitate before moving or to lose torque during heavy lifting.
- Internal hydraulic pressure loss: A failing unit will trigger low-pressure warnings on the dash, often accompanied by erratic shifting or failure to hold a gear on inclines.
- Metallic debris in the oil pan: Advanced wear of planetary bearings or thrust washers produces fine metal particles, visible during routine oil changes, indicating imminent total failure.
- External oil leaks at the bell housing joint: Degraded gaskets between the assembly and the 4657201170: HOUSING REAR PART allow transmission fluid to seep out, reducing lubrication and causing overheating.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4657.056.141 |
| Transmission Series | WG 210 (6-speed powershift) |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 620 mm |
| Overall Width | 480 mm |
| Overall Height | 410 mm |
| Housing Material | High-strength cast iron (GGG-40) |
| Max Input Torque | 1,200 Nm |
| Fluid Capacity (assembly only) | 8.5 liters |
| Related Fastener | 0636100801: CAP SCREW (M12 x 1.5 x 40 mm) |
| Related Fastener | 0636100803: CAP SCREW (M10 x 1.5 x 30 mm) |
| Alignment Component | 0631306816: CYLINDRICAL PIN |
| Mounting Bracket | 4656301148: FIXING PLATE |
| Filter Element | 4657301032: SCREEN SHEET (fine mesh) |
| Filter Element | 4657301033: SCREEN SHEET (coarse mesh) |
Compatibility
This complete unit is specifically designed for the ZF WG 210 series powershift transmissions. It is a direct fit for the following models: WG 180, WG 200, WG 210, and WG 211. It also serves as a replacement for earlier variants in the WG 190 series when paired with the correct 4657298102: HOUSING REAR SECTION. Always verify the bell housing pattern and input shaft spline count against your existing unit before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for the gear train |
| 4657201166 | HOUS.FRONT SECT | Front section housing the torque converter |
| 4657201170 | HOUSING REAR PART | Rear casing supporting output shaft bearings |
| 4657298102 | HOUSING REAR SECTION | Alternate rear section for WG 190/200 adapters |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0636100801 | CAP SCREW | M12 fastener for main housing bolts |
| 0636100803 | CAP SCREW | M10 fastener for rear cover attachment |
| 4656301148 | FIXING PLATE | Locating bracket for clutch pack retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump return |
