Overview
The ZF 4661.185.086 ACCESSORIES for WG94 is a precision-engineered component designed to support the hydraulic and mechanical integrity of the WG 94 Series transmission. This OEM genuine part serves as a critical interface within the transmission housing assembly, ensuring proper alignment and sealing of internal fluid circuits. The SKU 4661.185.086 is specifically manufactured to ZF’s original tolerances, making it essential for maintaining factory-specified performance in heavy-duty industrial applications. It integrates directly with the 4661101046: HOUSING and the 4661301125: HOUSING II to form a sealed assembly that directs transmission fluid flow and supports valve body operation.
Symptoms of Failure
- Transmission fluid seepage around the housing joint: When the 4661.185.086 accessory wears or becomes misaligned, oil can escape from the WG94 housing interface, leading to low fluid levels and potential overheating.
- Erratic gear engagement or delayed shifting: A degraded accessory can disrupt hydraulic pressure regulation, causing hesitation or harsh shifts during load changes.
- Unusual whining or grinding noises from the transmission case: Worn components may allow metal-to-metal contact between the 0631306174: CYLINDRICAL PIN and the housing, producing audible distress signals.
- Visible contamination in transmission fluid: Failure of this part can introduce debris into the oil circuit, accelerating wear on valves and springs.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4661.185.086 |
| OEM Reference | ZF 4661.185.086 |
| Material | High-strength aluminum alloy with corrosion-resistant coating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 45 mm |
| Sealing Type | Integrated O-ring groove (O-ring not included) |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This ZF 4661.185.086 accessory is engineered for the WG 94 Series transmission family, including models such as WG180, WG200, and WG240. It is also compatible with select WG94 variants used in off-highway vehicles and industrial machinery. The part interfaces directly with the 0769123894: TYPE PLATE for identification and requires proper torque specifications when installed alongside the housing assemblies. Always verify your transmission model’s serial number against ZF’s compatibility chart before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4661101046 | HOUSING | Primary housing for transmission control assembly |
| 4661301125 | HOUSING II | Secondary housing for valve body support |
| 0631306174 | CYLINDRICAL PIN | Alignment pin for housing positioning |
| 0769123894 | TYPE PLATE | Identification plate for transmission model |
| 0750100022 | SCREW PLUG | Sealing plug for fluid ports |
| 4660201008 | SCREW PLUG | Threaded plug for pressure test points |
| 0636100117 | SCREW PLUG | Magnetic drain plug for debris collection |
| 0501211384 | VALVE | Hydraulic control valve for shift modulation |
| 0732042156 | COMPRESSION SPRING | Spring for valve return mechanism |
| 0768409154 | SCREW PLUG | Hex socket plug for housing access |
