Overview
The ZF 4657.056.016 6 WG 210 Powershift Transmission Assembly is a complete, factory-grade replacement unit engineered for heavy-duty off-highway applications. This fully assembled transmission serves as the primary power distribution hub within the WG 210 series, integrating the torque converter, planetary gear sets, and hydraulic control system into a single, ready-to-install package. Designed for machinery operating in construction, mining, and agricultural sectors, this unit ensures seamless gear engagement under load. The SKU 4657.056.016 identifies a specific revision of the 6-speed forward, 1-reverse configuration, offering enhanced durability for high-torque diesel engines. It sits as the direct replacement for worn or failed assemblies, restoring original equipment performance without the need for internal component rebuilding.
Symptoms of Failure
When the ZF 4657.056.016 assembly begins to degrade, operators will notice distinct operational issues. Recognizing these signs early can prevent costly downtime:
- Delayed or harsh engagement: A noticeable lag when shifting from neutral to forward or reverse, often accompanied by a jarring clunk, indicates internal clutch pack wear or hydraulic pressure loss.
- Transmission overheating: Persistent high-temperature warnings on the dashboard, even under moderate loads, suggest degraded oil flow or failing torque converter stators within the unit.
- Oil leaks near the bell housing: Puddles of ATF or hydraulic fluid forming around the transmission-to-engine interface point to compromised seals or a cracked housing in the complete assembly.
- Gear slipping under load: The engine revs increase without a corresponding increase in vehicle speed, particularly when climbing grades or pushing heavy material, signaling worn friction discs or valve body issues.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number / SKU | 4657.056.016 |
| Assembly Type | Complete Powershift Transmission |
| Series | WG 210 |
| Number of Speeds | 6 Forward / 1 Reverse |
| Dry Weight (approx.) | 385 kg (849 lbs) |
| Overall Length | 785 mm |
| Housing Material | High-Strength Cast Iron |
| OEM Reference | ZF 4657.056.016 |
| Max Input Torque | 1,200 Nm |
Compatibility
This complete unit is specifically designed for the ZF WG 210 transmission series. Based on its structural design and hydraulic architecture, the 4657.056.016 assembly is directly compatible with the following ZF models and their derivatives:
- ZF WG 210 (Primary application)
- ZF WG 180 (Retrofit applications with adapter plates)
- ZF WG 200 (Direct fit for later revisions)
- ZF 6 WG 210 (All sub-variants using the 6-speed layout)
This assembly is commonly used in Case IH, New Holland, and JCB telehandlers and wheel loaders that originally specified the WG 210 series. Always verify the original equipment manufacturer (OEM) part number against your existing transmission tag before ordering.
