Overview
The ZF 4657.055.113 5 WG 210 Powershift Transmission Assembly | Complete Unit is a fully assembled, drop-in ready powershift transmission designed for heavy-duty industrial applications. This complete unit integrates the main gear train, clutch packs, and hydraulic control system into a single, pre-tested assembly. The SKU 4657.055.113 specifically denotes the 5-speed version of the WG 210 series, engineered for reliable torque management in wheel loaders, forklifts, and construction machinery. As the core power transfer module, it sits between the engine and the final drive, converting rotational energy into controlled, shiftable motion. For proper installation, this unit must be paired with a structurally sound 4657101082: TRANSMISSION HOUSING to ensure alignment and protection of internal components.
Symptoms of Failure
When the ZF 4657.055.113 assembly begins to degrade, operators will notice distinct performance issues. Look for these specific failure symptoms to diagnose the problem early:
- Delayed or harsh gear engagement: A noticeable lag when shifting from neutral to forward or reverse, often accompanied by a clunking sound.
- Torque converter shudder under load: A vibration or shaking sensation when accelerating, particularly at low speeds, indicating worn clutch discs or valve body issues.
- External oil leaks at housing seams: Hydraulic fluid seeping from the joint between the main housing and the 4657201166: HOUS.FRONT SECT, often leaving puddles under the machine.
- Intermittent loss of drive in higher gears: The transmission may slip out of 4th or 5th gear under heavy load, pointing to internal seal or piston failure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.055.113 |
| Assembly Type | Complete Powershift Transmission |
| Number of Speeds | 5 Forward / 1 Reverse |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 720 mm |
| Overall Width | 480 mm |
| Overall Height | 560 mm |
| Housing Material | Cast Iron (GGG-40) |
| OEM Reference | ZF 5 WG 210 |
| Torque Capacity | 2100 Nm (max) |
| Hydraulic Fluid Type | ZF TE-ML 03 or equivalent |
Compatibility
This complete unit is specifically engineered for the ZF WG 210 Series powershift transmissions. It is a direct fit for models including the WG 180, WG 200, and WG 210 variants used in industrial vehicles from manufacturers such as Liebherr, Volvo, and Caterpillar. The assembly is compatible with both the 4657201170: HOUSING REAR PART and the 4657298102: HOUSING REAR SECTION for complete rear-end integration. Always verify your transmission serial number before ordering to ensure correct fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing for the gear train |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201170 | HOUSING REAR PART | Rear housing component for output support |
| 4657298102 | HOUSING REAR SECTION | Alternative rear section for specific models |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Mounting plate for transmission attachment |
| 4657301032 | SCREEN SHEET | Filter screen for hydraulic fluid |
| 4657301033 | SCREEN SHEET | Secondary filter screen for oil return |
| 0636100803 | CAP SCREW | High-strength bolt for final assembly |
