Overview
The ZF 4661.043.042 3 WG 94 Powershift Transmission Assembly is a complete, factory-matched unit designed for heavy-duty off-highway applications. This assembly serves as the central power distribution hub within the WG 94 series, managing torque flow from the engine to the driveline through multiple clutch packs and planetary gear sets. As a complete unit, the SKU 4661.043.042 replaces the entire gear train and housing assembly, eliminating the need for piecemeal repairs. It integrates directly with the 4661101046: HOUSING and the 4661301125: HOUSING II to form the sealed transmission casing, while the 0631306174: CYLINDRICAL PIN ensures precise alignment during installation.
Symptoms of Failure
- Delayed or harsh engagement: When the assembly wears, operators notice a lag between shifting and actual gear engagement, often accompanied by a jarring clunk. This is a common “ZF powershift transmission slipping” issue.
- Internal oil leaks: Worn seals within the unit cause transmission fluid to pool around the bell housing or drip from the vent. This “ZF WG94 oil leak” symptom reduces hydraulic pressure and accelerates component wear.
- Loss of power under load: The transmission may struggle to maintain speed on inclines or under heavy loads, indicating worn clutch discs or damaged planetary gears inside the assembly.
- Unusual whining or grinding noises: Metallic sounds during operation, particularly in neutral or low range, suggest bearing failure or gear tooth damage within the 4661.043.042 unit.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4661.043.042 |
| Assembly Type | Complete Powershift Transmission (3 WG 94) |
| 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) |
| OEM Reference | ZF 4661.043.042 |
| Max Input Torque | 1,200 Nm |
| Oil Capacity (system) | 14.5 liters |
Compatibility
This complete assembly is engineered for the ZF WG 94 series of powershift transmissions. It is a direct fit for models including the WG180, WG200, and WG210 used in telehandlers, wheel loaders, and industrial tractors. The unit also supports the WG94 base platform found in older construction equipment. Always verify the serial number range on your existing 0769123894: TYPE PLATE to confirm compatibility before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4661101046 | HOUSING | Main transmission casing, supports gear train |
| 4661301125 | HOUSING II | Secondary housing for clutch pack assembly |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0769123894 | TYPE PLATE | Identification plate with serial and model info |
| 0750100022 | SCREW PLUG | Oil drain plug, M22 thread |
| 4660201008 | SCREW PLUG | Pressure test port plug |
| 0636100117 | SCREW PLUG | Vent port plug, M18 thread |
| 0501211384 | VALVE | Hydraulic control valve for clutch modulation |
| 0732042156 | COMPRESSION SPRING | Return spring for shift valve spool |
| 0768409154 | SCREW PLUG | Oil filler plug with sealing washer |
