ZF 4657.054.306 4 WG 210 Powershift Transmission Assembly | Complete Unit

Overview

This complete ZF 4657.054.306 4 WG 210 Powershift Transmission Assembly is a fully integrated drop-in unit designed for heavy-duty off-highway applications. As the core power transfer module in the WG 210 Series, this assembly manages torque distribution across four forward and reverse speeds, enabling smooth clutch modulation under load. The SKU 4657.054.306 replaces the entire rotating assembly, including the main shaft, planetary gear sets, and clutch packs. It sits directly between the engine bellhousing and the final drive, requiring removal of the TRANSMISSION HOUSING and the HOUS.FRONT SECT for installation. This unit is factory-balanced and pressure-tested to meet OEM tolerances.

Symptoms of Failure

• Delayed engagement or gear slipping under load: Worn clutch discs or damaged piston seals inside the 4657.054.306 cause hesitation when shifting from neutral to forward or reverse, especially on inclines.
• Contaminated transmission fluid with metallic debris: Internal bearing or gear spalling introduces bronze or steel particles into the oil, often visible during drain intervals.
• Erratic shift patterns or harsh engagement: A failing valve body or worn torque converter hub within this assembly leads to abrupt clutch application, creating driveline shock.
• External oil seepage at housing mating surfaces: Cracks or warpage in the HOUSING REAR PART or the HOUSING REAR SECTION allow pressurized oil to escape, reducing system pressure.

Technical Specifications

Compatibility

This complete unit is engineered for the ZF WG 210 Series, specifically the 4 WG 210 variant. It is also compatible with the WG 180 and WG 200 series when used with the correct adapter plate and FIXING PLATE (4656301148). The assembly fits telehandlers, wheel loaders, and forklifts from manufacturers such as Manitou, JCB, and Caterpillar that originally specified ZF WG-series transmissions. Always verify the bellhousing pattern and output flange configuration before ordering. Additional sealing components like the SCREEN SHEET (4657301032) and SCREEN SHEET (4657301033) are required for proper filtration during installation.

Related Components

Frequently Asked Questions

Q: Can the ZF 4657.054.306 be rebuilt, or must it be replaced as a complete unit?
A: While individual clutch packs and seals can be serviced, this assembly is sold as a complete, pre-assembled unit to guarantee proper end-play and hydraulic timing. Rebuilding requires specialized tooling and access to the TRANSMISSION HOUSING for core exchange.

Q: What is the typical lifespan of this assembly in a wheel loader application?
A: Under normal operating conditions with proper fluid maintenance, the 4 WG 210 assembly typically lasts 8,000–10,000 hours. Early failure is often linked to debris bypassing the SCREEN SHEET filters.

Q: Does this part include the torque converter?
A: No, the 4657.054.306 is the transmission assembly only. The torque converter is housed inside the HOUS.FRONT SECT and must be ordered separately if needed.