Overview
The ZF 4657.056.330 6 WG 210 Powershift Transmission Assembly is a complete, fully assembled unit designed for heavy-duty off-highway applications. This core assembly integrates the main housing, gear sets, and clutch packs to deliver reliable power distribution in construction, mining, and agricultural machinery. As a direct replacement for the original equipment, this SKU 4657.056.330 ensures seamless integration with the WG 210 series, restoring full operational efficiency. The assembly sits at the heart of the drivetrain, converting engine torque into controlled wheel or implement motion. For proper installation, the 4657201161: HOUS.FRONT SECT must be secured to the front of this unit to maintain structural alignment.
Symptoms of Failure
- Delayed or harsh gear engagement: When the internal clutch packs or seals degrade, operators experience a noticeable lag or jarring shift between forward and reverse gears.
- Transmission fluid leaks at the front housing: Worn gaskets or O-rings cause oil to seep from the joint between the main assembly and the front section, leading to low fluid levels and overheating.
- Loss of power under load: Internal wear on planetary gears or bearings results in slipping, where the engine revs but the vehicle fails to move effectively on inclines or under heavy loads.
- Unusual whining or grinding noises: Metal-to-metal contact from failed bearings or contaminated oil produces audible sounds during operation, indicating imminent internal damage.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number (SKU) | 4657.056.330 |
| Assembly Type | Complete Powershift Transmission Unit |
| Series | WG 210 |
| Overall Length | 720 mm (est.) |
| Overall Width | 480 mm (est.) |
| Overall Height | 550 mm (est.) |
| Dry Weight | 185 kg (est.) |
| Housing Material | High-strength cast iron |
| OEM Reference | ZF 4657.056.330 |
| Torque Capacity | Up to 2100 Nm (est.) |
| Fluid Capacity | 22 liters (est.) |
Compatibility
This complete unit is engineered for the ZF WG 210 series, but it also shares core architecture with other WG family transmissions. It is compatible with the following models when used with the correct adapter kits and fasteners:
- ZF WG 180
- ZF WG 200
- ZF WG 210 (primary fitment)
- ZF WG 240 (with housing modifications)
During installation, always replace the 0636115293: 螺栓 bolts and the 0634313603: O-RING to prevent fluid leaks. Additionally, the 0631306816: CYLINDRICAL PIN must be inserted to ensure precise alignment of the clutch housing.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201161 | HOUS.FRONT SECT | Front housing section for structural support |
| 0636115293 | 螺栓 | Mounting bolt for assembly |
| 0634313603 | O-RING | Seal to prevent oil leakage |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing |
| 0636100801 | CAP SCREW | Fastener for cover plates |
| 4656301148 | FIXING PLATE | Secures internal components |
| 4657301032 | SCREEN SHEET | Filter screen for oil circuit |
| 4657301033 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | High-torque fastener |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing for lubrication |
