Overview
The ZF 4657.056.034 6 WG 210 Powershift Transmission Assembly is a complete, factory-spec unit engineered for heavy-duty off-highway machinery. This assembly serves as the core power transfer module within the WG 210 series, integrating the torque converter, planetary gear sets, and hydraulic control system into a single, ready-to-install package. Designed to handle high torque loads in construction, mining, and agricultural equipment, the SKU 4657.056.034 replaces worn or failed transmissions to restore original performance and shift quality. It sits as the direct replacement for the original equipment transmission, eliminating the need for partial rebuilds or component-level repairs.
Symptoms of Failure
When the ZF 4657.056.034 assembly begins to degrade, operators typically notice these specific failure indicators:
- Erratic or delayed gear engagement: The transmission hesitates or clunks when shifting between forward and reverse, often accompanied by a loss of hydraulic pressure.
- Internal oil leaks and fluid loss: Visible seepage around the main housing or converter area, leading to low fluid levels and eventual overheating.
- Torque converter shudder under load: A vibration or shudder felt during acceleration, indicating worn clutch packs or damaged stator components.
- Complete loss of drive in one or more gears: The machine fails to move in a specific range, pointing to broken planetary gears or failed clutch pistons.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number / SKU | 4657.056.034 |
| Transmission Series | WG 210 (6-speed Powershift) |
| Overall Length (approx.) | 780 mm |
| Overall Width (approx.) | 520 mm |
| Dry Weight | 385 kg (849 lbs) |
| Housing Material | High-strength cast iron (GGG-40) |
| OEM Reference | ZF 4657.056.034 (Original) |
| Max Input Torque | 1,200 Nm |
Compatibility
This complete assembly is specifically designed for the ZF WG 210 transmission series. Based on its mechanical architecture and mounting pattern, it is compatible with the following ZF models and their derivatives:
- ZF WG 210 (Primary application – 6-speed powershift)
- ZF WG 180 (Shared bell housing and clutch pack design)
- ZF WG 200 (Similar hydraulic valve body and planetary layout)
- ZF WG 211 (Same core assembly with minor output flange variations)
Always verify the original transmission tag and vehicle manufacturer specifications before installation. This unit is a direct bolt-in for most OEM applications using the WG 210 platform, including loaders, graders, and material handlers.
