Overview
The ZF 4661.185.029 ACCESSORIES component is a critical auxiliary element engineered for the WG 94 Series transmission family. This OEM genuine part functions as a specialized adapter or bracket assembly, ensuring precise alignment and secure mounting of peripheral systems within the gearbox housing. The SKU 4661.185.029 interfaces directly with the main transmission casing to support hydraulic lines or sensor clusters, maintaining structural integrity under high-torque conditions. As a factory-specified accessory, it guarantees exact fitment and long-term durability in heavy-duty industrial drivetrains.
Symptoms of Failure
When the 4661.185.029 wears out, operators may notice specific operational degradation. Common failure indicators include:
- Transmission fluid seepage at the accessory interface – A worn gasket surface or cracked bracket can cause slow oil leaks, often visible as drips beneath the WG94 housing.
- Intermittent gear engagement hesitation – Misalignment from a fatigued accessory can disrupt sensor positioning, leading to delayed shift responses during load changes.
- Vibration or rattling from the transmission mid-section – Loose mounting points due to degraded material allow excessive movement, producing audible noise at idle or low RPM.
- Erratic pressure readings on diagnostic tools – A compromised accessory may affect hydraulic line routing, causing fluctuating pressure values that mimic internal pump failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4661.185.029 |
| Material | Die-cast aluminum alloy (A380) |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 145 mm x 68 mm x 32 mm |
| OEM Reference | ZF 4661.185.029 |
| Surface Treatment | Zinc-nickel plating |
| Operating Temperature Range | -40°C to +120°C |
| Torque Specification | 25 Nm (mounting bolts) |
Compatibility
This accessory is designed for the ZF WG 94 Series, including models such as the WG180, WG200, and WG240 transmissions. It also fits select variants of the WG94 family used in construction and agricultural machinery. Always verify the part number against your transmission’s serial plate before installation. The 4661.185.029 integrates with the 4661101028: TRANSMISSION HOUSING and 4661301049: HOUSING II to form a sealed assembly. For proper oil routing, pair it with the 4661301093: TUBE and secure alignment using the 0631306174: CYLINDRICAL PIN.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4661101028 | TRANSMISSION HOUSING | Main casing for gear and shaft support |
| 4661301049 | HOUSING II | Secondary housing for clutch pack enclosure |
| 4661301093 | TUBE | Hydraulic fluid conduit between sections |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for precision assembly |
| 0769123894 | TYPE PLATE | Identification tag with transmission specs |
| 0750100022 | SCREW PLUG | Sealing plug for oil drain ports |
| 0636302602 | SCREW PLUG | Magnetic plug for debris collection |
| 0634100633 | O-RING | Elastomeric seal for fluid containment |
| 4661301029 | NOZZLE | Lubrication spray nozzle for gears |
| 4661301027 | NOZZLE | Secondary oil jet for bearing cooling |
