Overview
The ZF 4657.056.130 6 WG 210 Powershift Transmission Assembly is a complete, factory-engineered unit designed for heavy-duty off-highway machinery. This assembly integrates the main gear cluster, clutch packs, and hydraulic control system into a single, ready-to-install package. As the core power transfer module in the WG 210 series, it replaces the entire internal rotating assembly and valve body. The SKU 4657.056.130 is a direct OEM reference for ZF rebuild programs, ensuring exact fitment without modification. When installing this unit, technicians must verify the condition of the surrounding structural components, particularly the 4657101080: TRANSMISSION HOUSING, which houses the complete assembly and must be free of cracks or warping.
Symptoms of Failure
- Erratic gear engagement or slipping under load: Worn clutch discs or damaged seals inside the assembly cause the transmission to hesitate or lose torque during acceleration, especially in forward gears.
- Internal hydraulic pressure loss: A failing unit often triggers low pressure warnings, leading to delayed shifts or complete loss of drive in specific ranges.
- Metallic debris in the oil pan: Bearing or gear tooth fracture within the assembly produces visible metal particles, indicating imminent catastrophic failure.
- Oil leaks from the bell housing or rear seal area: Cracks in the main casing or degraded gaskets allow transmission fluid to escape, often pooling near the 4657201167: HOUS.FRONT SECT or the 4657201171: HOUSING REAR PART.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4657.056.130 |
| Assembly Type | 6-Speed Powershift (Complete Unit) |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 620 mm |
| Overall Width | 480 mm |
| Overall Height | 410 mm |
| Housing Material | High-Grade Cast Iron (GGG-40) |
| Max Input Torque | 2,100 Nm |
| Fluid Capacity | 14.5 liters (ZF TE-ML 03 fluid) |
| OEM Reference | ZF 6 WG 210 |
Compatibility
This complete unit is engineered specifically for the ZF WG 210 Series powershift transmissions. It is directly compatible with the following ZF models: WG 180, WG 200, WG 210, and WG 250 (with adapter plate verification). The assembly also fits select variants of the WG 160 series when used with the correct 4657298103: HOUSING REAR SECTION. Always cross-reference your existing transmission tag to confirm the housing configuration before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101080 | TRANSMISSION HOUSING | Main structural casing that encloses the gear train |
| 4657201167 | HOUS.FRONT SECT | Front section housing the input shaft and pump drive |
| 4657201171 | HOUSING REAR PART | Rear casing supporting the output shaft and PTO mount |
| 4657298103 | HOUSING REAR SECTION | Alternate rear section for extended wheelbase applications |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for precise housing mating |
| 0636100801 | CAP SCREW | M12 fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Locking plate for clutch pack retention |
| 4657301034 | SCREEN SHEET | Fine mesh filter for hydraulic circuit (primary) |
| 4657301035 | SCREEN SHEET | Fine mesh filter for hydraulic circuit (secondary) |
| 0636100803 | CAP SCREW | M10 fastener for valve body mounting |
