Overview
The ZF 0750.147.172 HOSE PIPE is a critical fluid transfer component engineered specifically for the WG 150 transmission series. This OEM genuine part channels pressurized hydraulic oil between the valve body and the cooler circuit, ensuring consistent lubrication and thermal regulation within the gearbox. As an original equipment manufacturer (OEM) component, the SKU 0750.147.172 guarantees exact fitment and material integrity, preventing contamination and pressure drops that compromise shift quality. This hose pipe integrates directly with the 4642101109: TRANSMISSION HOUSING and the 4642301205: TRANSMISSION HOUSING to form a sealed hydraulic circuit.
Symptoms of Failure
When the ZF 0750.147.172 HOSE PIPE deteriorates, operators often notice distinct operational issues. Hydraulic fluid seepage around the pipe connections is the most common indicator, leaving visible oil residue on the transmission casing. Erratic gear engagement or delayed shifting occurs as internal pressure drops due to micro-cracks in the hose wall. Overheating transmission fluid is another symptom, as restricted flow through a collapsed hose reduces cooler efficiency. Finally, audible whining or cavitation noises from the pump may signal air ingestion through a compromised hose, accelerating wear on the 4644106231: SHIFT SYSTEM.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number (SKU) | 0750.147.172 |
| Product Type | Hydraulic Hose Pipe |
| Length (approx.) | 380 mm |
| Inner Diameter | 12 mm |
| Outer Diameter | 18 mm |
| Material | Reinforced synthetic rubber with textile braid |
| Weight | 0.15 kg |
| OEM Reference | ZF 0750.147.172 |
| Operating Pressure | Up to 15 bar |
| Temperature Range | -40°C to +120°C |
Compatibility
This hose pipe is primarily designed for the ZF WG 150 series transmissions, which are widely used in municipal trucks, firefighting vehicles, and heavy-duty construction equipment. Based on its hydraulic routing and fitting dimensions, the 0750.147.172 is also compatible with the WG 180 and WG 200 series when used in conjunction with the correct 0636100621: HEXAGON SCREW and 0631311009: GROOVED STUD. For precise identification, always verify the 0730365125: TYPE PLATE on your transmission housing before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101109 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4642301205 | TRANSMISSION HOUSING | Secondary housing for clutch pack section |
| 0730365125 | TYPE PLATE | Identification plate with serial number |
| 0631311009 | GROOVED STUD | Threaded fastener for housing alignment |
| 4642301168 | SCREEN SHEET | Filter mesh for hydraulic fluid intake |
| 4642301169 | SCREEN SHEET | Fine filter element for oil return line |
| 0636100621 | HEXAGON SCREW | Mounting bolt for pipe brackets |
| 4642301186 | SCREEN SHEET | Coarse pre-filter for sump pickup |
| 4644106231 | SHIFT SYSTEM | Electro-hydraulic valve assembly |
| 4644306470 | GASKET | Sealing ring for pipe flange connection |
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