Overview
The ZF 4657.054.181 4 WG 210 Powershift Transmission Assembly is a complete, factory-matched unit designed for heavy-duty off-highway machinery. This assembly integrates the main gear cluster, clutch packs, and hydraulic control components into a single ready-to-install package. As a core element of the WG 210 Series, it manages torque distribution across four forward and reverse speeds, ensuring smooth power delivery under extreme loads. The SKU 4657.054.181 replaces worn or failed assemblies, restoring original shift quality and drivetrain efficiency. This unit works in concert with the TRANSMISSION HOUSING to protect internal gears from contamination, while the HOUS.FRONT SECT and HOUSING REAR PART provide structural integrity for the clutch and planetary sets.
Symptoms of Failure
- Delayed or harsh engagement – When the assembly wears, shifts between forward and reverse become sluggish or produce a jarring clunk, indicating worn clutch discs or degraded seals.
- Torque loss under load – The machine struggles to maintain speed on inclines or during heavy pushing, a classic sign of internal pressure loss or slipping clutches within the 4657.054.181 unit.
- Contaminated transmission fluid – Dark, burnt-smelling oil with metallic particles points to internal component failure, often originating from the clutch pack or bearing surfaces inside this assembly.
- Unusual whining or grinding noises – High-pitched sounds from the transmission housing during operation suggest worn bearings or gear damage, requiring immediate replacement of the complete unit.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.054.181 |
| Assembly Type | Complete Powershift Transmission Unit |
| Series | WG 210 |
| Weight (approx.) | 185 kg (408 lbs) |
| Dimensions (L x W x H) | 720 mm x 480 mm x 410 mm |
| Housing Material | High-strength cast iron |
| OEM Reference | ZF 4 WG 210 |
| Related Fastener | CAP SCREW (0636100801) |
| Related Fastener | CAP SCREW (0636100803) |
| Alignment Component | CYLINDRICAL PIN (0631306816) |
| Mounting Bracket | FIXING PLATE (4656301148) |
| Filter Screen | SCREEN SHEET (4657301032) |
| Filter Screen | SCREEN SHEET (4657301033) |
Compatibility
This assembly is engineered for the ZF WG 210 series powershift transmissions, commonly deployed in wheel loaders, graders, and material handlers. It is directly compatible with WG 180, WG 200, and WG 210 models that share the same bolt pattern and hydraulic circuit design. The unit also fits select WG 150 variants when paired with the correct HOUSING REAR SECTION adapter. Always verify your transmission serial number against the 4657.054.181 configuration to ensure proper oil gallery alignment and clutch pack clearance.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101078 | TRANSMISSION HOUSING | Encloses gear train and supports bearing bores |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft and pump drive |
| 4657201168 | HOUSING REAR PART | Rear housing segment for output shaft support |
| 4657298101 | HOUSING REAR SECTION | Alternative rear housing section for specific model variants |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for precise housing mating |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Locking plate for clutch piston retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic circuit protection |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump return line |
| 0636100803 | CAP SCREW | High-tensile bolt for clutch pack assembly |
Frequently Asked Questions
Q: Can the 4657.054.181 be rebuilt instead of replaced?
A: While individual clutch packs and seals are serviceable, the complete assembly is balanced and pressure-tested at the factory. Replacing the entire unit ensures consistent shift timing and eliminates hidden wear in the spool bores or planetary carriers.
Q: What tools are needed to install this assembly?
A: Standard socket sets, a torque wrench, and a transmission jack are required. You will also need the CYLINDRICAL PIN for alignment and new CAP SCREW fasteners to meet OEM torque specifications.
Q: How does this unit differ from the WG 180 assembly?
A: The WG 210 assembly (4657.054.181) has larger clutch packs and a reinforced HOUSING REAR PART to handle 15% higher torque capacity. It is not backward-compatible without swapping the entire housing set.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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