Overview
The ZF 4661.043.046 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. As a complete unit, it integrates the main housing, valve body, and rotating components into a single, ready-to-install package. The SKU 4661.043.046 is a direct OEM replacement, ensuring precise fitment and eliminating the need for piecemeal repairs. This assembly sits at the core of the transmission, directly interfacing with the 4661101046: HOUSING and the 4661301125: HOUSING II to form the structural backbone of the gearbox.
Symptoms of Failure
When the ZF 4661.043.046 3 WG 94 assembly begins to fail, operators will notice distinct performance degradation. Common failure indicators include:
- Erratic gear engagement or slipping under load: Worn clutch packs or damaged seals within the assembly cause the transmission to hesitate or lose torque during acceleration, especially on inclines.
- Internal hydraulic pressure loss: Cracks in the housing or degraded valve bodies lead to low line pressure, resulting in soft shifts and eventual transmission overheating.
- Metallic debris in the oil pan: Bearing failure or gear scoring inside the unit produces visible metal particles, indicating imminent catastrophic failure.
- External oil leaks at the housing seam: Gasket failure between the assembly and the 4661101046: HOUSING or 4661301125: HOUSING II causes fluid loss, leading to lubrication starvation.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number / SKU | 4661.043.046 |
| Assembly Type | 3 WG 94 Powershift Transmission (Complete Unit) |
| 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 4661.043.046 |
| Mounting Hardware | Includes 0631306174: CYLINDRICAL PIN alignment dowels |
| Identification | Includes 0769123894: TYPE PLATE |
Compatibility
This complete unit is specifically engineered for the ZF WG 94 series of powershift transmissions. It is a direct fit for the following models: WG 94, WG 120, WG 150, WG 180, and WG 200 series. The 4661.043.046 assembly is commonly used in construction equipment such as wheel loaders, graders, and telescopic handlers from manufacturers like Liebherr, Volvo, and Caterpillar. For proper installation, ensure the 0631306174: CYLINDRICAL PIN is correctly aligned with the mating housing bores, and the 0769123894: TYPE PLATE is transferred to the new unit for future service identification.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4661101046 | HOUSING | Main structural casing for gear and shaft support |
| 4661301125 | HOUSING II | Secondary housing for clutch pack and valve integration |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for precise housing mating |
| 0769123894 | TYPE PLATE | Identification plate for serial number and model |
| 0750100022 | SCREW PLUG | Seals hydraulic passages in the valve body |
| 4660201008 | SCREW PLUG | Oil drain or pressure port plug |
| 0636100117 | SCREW PLUG | Magnetic plug for debris collection |
| 0501211384 | VALVE | Hydraulic control valve for shift modulation |
| 0732042156 | COMPRESSION SPRING | Provides return force for valve spools |
| 0768409154 | SCREW PLUG | High-pressure port sealing plug |
