Overview
The ZF 4657.056.110 6 WG 210 Powershift Transmission Assembly | Complete Unit is a fully assembled, ready-to-install core component for heavy-duty powershift applications. This complete unit integrates the main gear train, clutch packs, and hydraulic control system within a single, precision-machined housing. Designed for ZF’s WG 210 series, the SKU 4657.056.110 serves as the central power transfer module, converting engine torque into controlled, multi-speed output for construction, agricultural, and material handling machinery. It is typically mounted between the engine bell housing and the final drive, requiring integration with the TRANSMISSION HOUSING for structural integrity and fluid containment.
Symptoms of Failure
- Delayed or harsh gear engagement: When the internal clutch packs or hydraulic seals wear, operators experience a noticeable lag or jarring shift between forward and reverse ranges.
- Chronic transmission fluid leaks: Cracks or warpage in the main casing, often near the mating surface with the HOUS.FRONT SECT, lead to external oil seepage and low fluid levels.
- Loss of power under load: Slipping gears or a failing torque converter within the assembly cause the machine to lose pulling power, especially on inclines or during heavy digging.
- Unusual whining or grinding noises: Bearing failure or gear tooth damage inside the unit produces metallic sounds that intensify with speed, often originating near the HOUSING REAR PART.
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 4657.056.110 |
| Assembly Type | Complete Powershift Unit (6 WG 210) |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 620 mm |
| Overall Width | 480 mm |
| Overall Height | 510 mm |
| Housing Material | High-Grade Cast Iron (GGG-40) |
| Torque Capacity (max) | 2,100 Nm |
| Number of Speeds | 6 Forward / 3 Reverse |
| Fluid Capacity | 28 Liters (ATF Dexron III) |
| OEM Reference | ZF 6 WG 210 |
Compatibility
This complete unit is engineered specifically for the ZF WG 210 series of powershift transmissions. It is directly compatible with models including the WG180, WG200, and WG210 variants found in telehandlers, wheel loaders, and dump trucks. The assembly also fits select WG150 and WG250 platforms when used with the appropriate HOUSING REAR SECTION adapter kit. Always verify the bell housing pattern and output flange configuration before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201166 | HOUS.FRONT SECT | Front section housing input shaft |
| 4657201170 | HOUSING REAR PART | Rear casing supporting output bearings |
| 4657298102 | HOUSING REAR SECTION | Alternate rear housing for PTO adapters |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | Fastener for front housing attachment |
| 4656301148 | FIXING PLATE | Locks bearing races in position |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Secondary filter for hydraulic return |
| 0636100803 | CAP SCREW | Bolt for rear housing fastening |
