ZF 4657.054.174 4 WG 210 Powershift Transmission Assembly | Complete Unit

Overview

This ZF 4657.054.174 4 WG 210 Powershift Transmission Assembly is a complete, factory-grade unit engineered for heavy-duty off-highway applications. As the core hydraulic-mechanical assembly within the WG 210 series, it integrates the torque converter, planetary gear sets, and clutch packs into a single, pre-assembled module. The SKU 4657.054.174 replaces the need for piecemeal rebuilding, ensuring precise alignment of rotating components and sealing surfaces. It is designed to directly interface with the 4657101078: TRANSMISSION HOUSING to form the main structural shell, while the forward clutch section mounts against the 4657201166: HOUS.FRONT SECT.

Symptoms of Failure

• Erratic gear engagement or clutch slip under load: Worn internal seals or piston rings in the 4 WG 210 assembly cause pressure loss, leading to delayed shifts or complete loss of drive in specific ranges.
• Contaminated transmission fluid with metallic debris: Bearing or planetary gear wear inside the assembly generates fine steel particles, often visible during oil changes or filter inspections.
• External oil leaks at the rear adapter joint: Fatigue cracks or gasket failure where the assembly meets the 4657201168: HOUSING REAR PART or the 4657298101: HOUSING REAR SECTION result in steady fluid loss.
• Abnormal whining or grinding noise in neutral: Worn torque converter stator bearings or damaged sun gear splines produce audible distress that worsens with temperature.

Technical Specifications

Compatibility

This complete unit is specifically engineered for the ZF WG 210 series powershift transmissions. It is directly compatible with WG 210 models used in telehandlers, wheel loaders, and industrial tractors. While the WG 180 and WG 200 series share similar planetary architecture, the 4657.054.174 assembly is dimensionally unique to the WG 210 housing and output shaft configuration. For proper installation, verify that your transmission model carries the WG 210 designation on the data plate. The assembly also requires the use of supporting hardware such as the 0631306816: CYLINDRICAL PIN for alignment and the 0636100801: CAP SCREW for securing the housing halves.

Related Components

Frequently Asked Questions

Q: Can the 4657.054.174 assembly be installed without replacing the housing sections?
A: Yes, but ZF recommends inspecting the 4657101078: TRANSMISSION HOUSING and both rear sections for cracks or bore wear before installation. Reusing damaged housings will void the assembly warranty.

Q: What is the typical service life of this complete unit in a wheel loader?
A: Under normal operating conditions with proper fluid maintenance, the 4 WG 210 assembly typically lasts 8,000–12,000 hours before requiring a rebuild. Early signs of failure include clutch shudder or delayed reverse engagement.

Q: Are the screen sheets included with the assembly?
A: No. The 4657301032: SCREEN SHEET and 4657301033: SCREEN SHEET must be ordered separately. They are critical for preventing debris from entering the valve body.