Overview
The ZF 4661.043.041 3 WG 94 Powershift Transmission Assembly | Complete Unit (SKU: 4661.043.041) serves as the core hydraulic-mechanical assembly for the WG 94 series. This complete unit integrates the clutch pack, planetary gear sets, and valve body into a single, pre-assembled module. It is positioned between the torque converter and the output section, managing gear ratio changes under load for heavy-duty off-road vehicles. As a direct OEM replacement, this assembly restores full power transfer efficiency in ZF powershift transmissions.
Symptoms of Failure
- Delayed or harsh gear engagement: When the assembly wears, operators experience a noticeable lag or jarring shift when moving from neutral to drive or reverse.
- Intermittent power loss under load: A failing unit causes the transmission to slip during heavy pulling, leading to reduced tractive effort on inclines.
- Contaminated transmission fluid with metallic debris: Internal wear from the clutch packs generates fine metal particles, visible during oil changes or filter inspections.
- Erratic shift patterns: Worn valve body components within the assembly cause unpredictable upshifts or downshifts, especially in low-speed maneuvering.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4661.043.041 |
| Series | WG 94 |
| Assembly Type | Complete Powershift Unit (3-speed) |
| Estimated Weight | 145 kg (320 lbs) |
| Housing Material | High-strength cast iron |
| OEM Reference | ZF 3 WG 94 |
| Max Input Torque | 1,200 Nm (885 lb-ft) |
| Fluid Capacity (internal) | 4.5 liters |
Compatibility
This complete unit is engineered for the ZF WG 94 transmission family. It is directly compatible with models including the WG180, WG200, and WG210 series used in agricultural tractors, wheel loaders, and telehandlers. The assembly also fits select variants of the WG 92 and WG 96 platforms where the 3-speed configuration is specified. Always verify the transmission serial number against ZF application charts before installation.
During replacement, technicians commonly install a new 4661103010: OUTPUT to ensure proper alignment with the driveline. The 4661303004: OUTPUT SHAFT must be inspected for spline wear when mounting this assembly. Additionally, both the 4661201204: TAPER ROLLER BEARING and 4661201206: TAPERED ROLLER BEARING should be replaced concurrently to prevent premature failure of the new unit.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4661103010 | Output | Transfers torque from assembly to driveshaft |
| 4661303004 | Output Shaft | Rotates final drive components |
| 4661201204 | Taper Roller Bearing | Supports radial and axial loads |
| 4661201206 | Tapered Roller Bearing | Reduces friction in rotating assembly |
| 4661372031 | Screen Sheet | Filters debris from hydraulic fluid |
| 4661103800 | Output | Alternative output component for specific ratios |
| 4642303059 | Input Flange | Connects torque converter to transmission |
| 0750111307 | Shaft Seal | Prevents fluid leakage at shaft exits |
| 0634306328 | O-Ring | Seals hydraulic passages between components |
| 4660303022 | Washer | Distributes load under fasteners |
