Overview
The ZF 4660.134.006 CONVERTER Powershift Transmission Assembly | Complete Unit is a critical torque converter assembly designed for the WG 92 Series powershift transmissions. This complete unit manages hydraulic fluid coupling between the engine and gear train, enabling smooth power delivery under heavy loads. The SKU 4660.134.006 integrates directly with the 4660101023: TRANSMISSION HOUSING to form the primary torque path. It also works in conjunction with the 4660301058: HOUSING to contain hydraulic pressure and support rotating assemblies.
Symptoms of Failure
- Torque converter shudder or vibration during low-speed maneuvering, often caused by worn stator bearings or damaged clutch plates inside the assembly.
- Delayed engagement or gear slipping when shifting from neutral to drive, indicating internal seal degradation or converter lock-up clutch failure.
- Hydraulic fluid leaks around the converter housing bell area, frequently traced to failed O-rings or cracked housing interfaces.
- Overheating transmission fluid with no external cooler blockage, suggesting internal converter stator failure or excessive turbine slippage.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4660.134.006 |
| Assembly Type | Torque Converter / Powershift Assembly |
| Overall Diameter | 340 mm (estimated) |
| Weight | 28.5 kg (63 lbs) |
| Housing Material | High-strength cast iron |
| Impeller Material | Forged steel with heat-treated vanes |
| OEM Reference | ZF WG 92 Series |
| Max Input Torque | 1,200 Nm (885 lb-ft) |
| Operating Pressure | 18-22 bar (261-319 psi) |
Compatibility
This 4660.134.006 converter assembly is engineered for the ZF WG 92 Series powershift transmissions, specifically the WG180, WG200, and WG210 models. It is also compatible with select WG 90 Series variants used in construction and agricultural equipment. The unit mounts directly to the 0631306174: CYLINDRICAL PIN for alignment and is secured using the 0750100022: SCREW PLUG for hydraulic port sealing. Always verify transmission serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660101023 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4660301058 | HOUSING | Converter bell housing support |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for converter assembly |
| 0750100022 | SCREW PLUG | Hydraulic port sealing plug |
| 4660301009 | BRACKET | Mounting bracket for converter support |
| 4660221039 | TUBE | Oil supply tube for converter circuit |
| 0636103274 | CAP SCREW | Fastener for housing attachment |
| 0634306185 | O-RING | Seal between converter and housing |
| 4660221041 | TUBE | Return oil tube from converter |
| 4660221040 | TUBE | Pressure feed tube to converter |
