Overview
The ZF 4657.056.084 6 WG 210 Powershift Transmission Assembly represents a complete, factory-grade unit engineered for heavy-duty industrial drivelines. This assembly integrates the core gear train, clutch packs, and hydraulic control elements within a single robust package. As a fully assembled unit, it serves as the central power transfer module in ZF’s WG 210 series, replacing worn or failed transmissions to restore original performance. The SKU 4657.056.084 is the definitive identifier for this complete assembly, ensuring precise fitment and OEM-specified tolerances. When installed, it works in concert with the TRANSMISSION HOUSING (4657101033) to provide structural integrity, while the HOUS.FRONT SECT (4657201027) and HOUSING REAR PART (4657201012) enclose the rotating components. Precision alignment is maintained through the CYLINDRICAL PIN (0631306792), which ensures correct dowel positioning during assembly.
Symptoms of Failure
- Erratic gear engagement or slipping under load: Worn clutch packs or hydraulic valve degradation inside the assembly cause delayed shifts or complete loss of drive in specific ranges.
- External oil leaks at housing seams: Cracks or gasket failures in the main casing lead to fluid loss, often visible as drips near the bell housing or rear output flange.
- Abnormal whining or grinding noises: Bearing fatigue or gear tooth pitting generates metallic sounds that intensify with engine RPM, indicating internal component wear.
- Overheating transmission fluid: Blocked oil passages or failing torque converter lockup cause excessive heat, triggering warning lights or burnt fluid odor.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 4657.056.084 |
| Assembly Type | Complete Powershift Transmission |
| Series | WG 210 |
| Weight (estimated) | 185 kg (408 lbs) |
| Overall Length | 720 mm |
| Overall Width | 410 mm |
| Overall Height | 480 mm |
| Housing Material | Cast Iron (GGG-40) |
| OEM Reference | ZF 4657.056.084 |
| Related Fastener | CAP SCREW (0636100801) |
| Related Fastener | CAP SCREW (0636100803) |
| Related Mounting Plate | FIXING PLATE (4656301148) |
| Related Screen | SCREEN SHEET (4657301032) |
| Related Screen | SCREEN SHEET (4657301033) |
| Related Oil Feed | OIL FEED.HOUSG. (4681301040) |
Compatibility
This complete unit is designed for the ZF WG 210 series of powershift transmissions. It is directly compatible with models such as the WG180, WG200, and WG210 itself, which are commonly found in agricultural tractors, construction loaders, and industrial forklifts. The assembly also fits select variants of the WG150 and WG250 series when used with the appropriate adapter housings. Always verify the transmission serial number against the OEM parts catalog to confirm fitment for your specific vehicle model.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section housing input shaft |
| 4657201012 | HOUSING REAR PART | Rear section supporting output flange |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636100801 | CAP SCREW | Fastener for housing joints |
| 4656301148 | FIXING PLATE | Mounting bracket for transmission |
| 4657301032 | SCREEN SHEET | Filter screen for oil sump |
| 4657301033 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Fastener for cover plates |
| 4681301040 | OIL FEED.HOUSG. | Oil supply tube to clutch packs |
