Overview
This complete ZF 4657.054.091 4 WG 210 Powershift Transmission Assembly is a fully integrated unit designed for heavy-duty industrial and agricultural machinery. As a core component of the WG 210 series, this assembly manages torque distribution and gear selection under high-stress conditions. The SKU 4657.054.091 replaces the entire transmission assembly, ensuring that your equipment returns to peak operational efficiency without the need for piecemeal repairs. It sits directly between the engine output and the driveline, housing all planetary gear sets, clutches, and hydraulic controls within a sealed environment.
Symptoms of Failure
- Erratic gear engagement or slipping under load: When the internal clutches or seals degrade, the transmission may hesitate or fail to hold a gear, especially during heavy lifting or towing operations.
- External oil leaks around the housing seams: Worn gaskets or cracks in the TRANSMISSION HOUSING can cause hydraulic fluid to escape, leading to low pressure and eventual transmission failure.
- Delayed or harsh shifting: A failing assembly often produces a noticeable lag between gear changes or abrupt, jarring shifts due to internal wear in the valve body or clutch packs.
- Unusual whining or grinding noises: Metal-to-metal contact from worn bearings or damaged planetary gears generates distinct sounds that worsen with speed or load.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.054.091 |
| Series | WG 210 (4 WG 210) |
| Type | Complete Powershift Transmission Assembly |
| Estimated Weight | 185 kg (408 lbs) |
| Housing Material | High-strength cast iron |
| OEM Reference | ZF 4 WG 210 |
| Compatible Housing Front | HOUS.FRONT SECT (4657201027) |
| Compatible Housing Rear | HOUSING REAR PART (4657201012) |
| Mounting Pin | CYLINDRICAL PIN (0631306792) |
Compatibility
This assembly is engineered for the ZF WG 210 series, which includes the 4 WG 210 model. It is also backward-compatible with earlier WG 180 and WG 200 series transmissions when used with the correct adapter components. The unit integrates directly with the TRANSMISSION HOUSING and requires the HOUS.FRONT SECT and HOUSING REAR PART for a complete installation. Always verify your transmission model number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing for the assembly |
| 4657201027 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201012 | HOUSING REAR PART | Rear section housing for output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing sections |
| 0636100801 | CAP SCREW | Fastener for housing assembly |
| 4656301148 | FIXING PLATE | Secures internal components |
| 4657301032 | SCREEN SHEET | Filter screen for hydraulic fluid |
| 4657301033 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Fastener for cover plates |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing for lubrication |
Frequently Asked Questions
Q: Can this 4657.054.091 assembly be used in a ZF WG 180 transmission?
A: Yes, with the correct adapter housings and the HOUSING REAR PART, this unit can be retrofitted to WG 180 models, though you should verify input shaft spline compatibility.
Q: What causes oil leaks in this transmission assembly?
A: Leaks typically originate from a cracked TRANSMISSION HOUSING or degraded seals around the HOUS.FRONT SECT interface. Inspect these areas first.
Q: Is the CYLINDRICAL PIN included with this assembly?
A: No, the pin is sold separately. It is required for proper alignment during installation and must be ordered alongside the main unit.
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