Overview
The ZF 4657.056.106 6 WG 210 Powershift Transmission Assembly | Complete Unit is a fully assembled, factory-spec drivetrain core designed for heavy-duty off-highway machinery. As the central power distribution hub in the WG 210 series, this complete unit integrates the torque converter, planetary gear sets, and hydraulic clutch packs into a single, ready-to-install package. The SKU 4657.056.106 denotes a direct OEM replacement assembly, eliminating the need for piecemeal rebuilds. This assembly sits at the heart of the vehicle, connecting the engine to the final drives, and is critical for smooth, uninterrupted power flow under extreme load conditions. For a full rebuild, ensure the 4657101056: TRANSMISSION HOUSING is inspected for cracks or warpage before installation.
Symptoms of Failure
- Erratic gear engagement or slipping under load: Worn clutch packs or valve body issues within the 4657.056.106 cause delayed or harsh shifts, especially when moving from forward to reverse.
- Hydraulic fluid leaks at the bell housing or rear seal: Deteriorated seals or a cracked 4657201151: HOUS.FRONT SECT allow ATF to escape, leading to low pressure and eventual transmission failure.
- Unusual whining or grinding noises during operation: Bearing wear or gear tooth damage inside the complete unit produces metallic sounds that intensify with RPM.
- Loss of power or overheating: A failing torque converter or blocked oil passages in the 4657201153: HOUSING REAR PART cause the transmission to run hot, triggering warning lights on the dash.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4657.056.106 |
| Series | WG 210 (6 WG 210) |
| Type | Powershift Transmission Assembly (Complete Unit) |
| Dry Weight (approx.) | 285 kg (628 lbs) |
| Overall Length | 720 mm |
| Overall Width | 510 mm |
| Overall Height | 480 mm |
| Housing Material | High-Grade Cast Iron (GGG-40) |
| Torque Converter Diameter | 340 mm |
| Number of Speeds | 6 Forward / 3 Reverse |
| OEM Reference | ZF 4657.056.106 |
Compatibility
This complete unit is engineered for the ZF WG 210 series powershift transmissions. It is directly compatible with models including the WG180, WG200, and WG210 variants used in telehandlers, wheel loaders, and industrial tractors. The 4657.056.106 assembly also fits select WG 160 and WG 250 platforms when paired with the correct 4657298093: HOUSING REAR SECTION adapter kit. Always verify bell housing bolt patterns before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101056 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 4657201151 | HOUS.FRONT SECT | Front section housing torque converter and pump |
| 4657201153 | HOUSING REAR PART | Rear section covering output shaft and PTO |
| 4657298093 | HOUSING REAR SECTION | Alternate rear housing for extended wheelbase models |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0636100801 | CAP SCREW | M16 bolt for securing housing sections |
| 4656301148 | FIXING PLATE | Locking plate for clutch pack retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic circuit (inner) |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for hydraulic circuit (outer) |
| 0636100803 | CAP SCREW | M12 bolt for valve body attachment |
