Overview
The ZF 0750.147.085 HOSE PIPE is a critical fluid transfer component engineered for the WG181 and WG201 transmission series. This OEM genuine part channels pressurized hydraulic oil between the valve body and the clutch housing, ensuring precise lubrication and cooling within the gear train. As a direct replacement for worn or damaged lines, the SKU 0750.147.085 restores proper fluid circulation, preventing thermal stress and maintaining shift quality. Its rigid construction withstands high-pressure surges and vibration fatigue common in heavy-duty industrial applications.
Symptoms of Failure
When the 0750.147.085 HOSE PIPE degrades, operators may notice these specific failure indicators:
- External hydraulic oil leaks near the transmission bell housing or along the pipe routing, often visible as drips or wet spots after operation.
- Delayed or harsh gear engagement due to insufficient line pressure reaching the clutch packs, causing hesitation during shifts.
- Overheating transmission fluid from restricted flow, leading to burnt smell or discolored oil on the dipstick.
- Erratic shift timing in WG181/WG201 units, where the transmission hunts for gears under load because of inconsistent hydraulic feedback.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0750.147.085 |
| Material | Steel with corrosion-resistant coating |
| Length (approx.) | 285 mm |
| Inner Diameter | 12 mm |
| Weight | 0.34 kg |
| OEM Reference | ZF 0750.147.085 |
| Sealing Surface | O-ring groove (compatible with 0634306198: O-RING) |
Compatibility
This HOSE PIPE is specifically designed for ZF WG180 and WG200 series transmissions, including the WG181 and WG201 variants. It also fits select WG190 models with identical hydraulic routing. Always verify the part number against your transmission’s serial plate, which can be cross-referenced with the 0730365067: TYPE PLATE. For proper installation, ensure the 4644101160: TRANSMISSION HOUSING or 4644301323: TRANSMISSION HOUSING is free of debris. The pipe secures via a 4644301189: THREADED BUSH and is sealed with a 4475280043: SCREW PLUG to prevent leakage.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101160 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4644301323 | TRANSMISSION HOUSING | Alternate housing variant for WG200 series |
| 4644301189 | THREADED BUSH | Secures pipe connections to housing |
| 4475280043 | SCREW PLUG | Seals unused hydraulic ports |
| 0634306198 | O-RING | Provides leak-proof seal at pipe joints |
| 0730365067 | TYPE PLATE | Identifies transmission model and specs |
| 4644301161 | COVER PLATE | Protects internal components from debris |
| 0636100621 | HEXAGON SCREW | Fastens cover plate to housing |
| 0631610020 | SET SCREW | Adjusts valve body alignment |
| 0501218540 | BREATHER | Equalizes internal pressure |
