Overview
The ZF 0750.147.209 HOSE PIPE is a critical fluid transfer component engineered specifically for the WG 200 series transmission. This OEM genuine part channels pressurized hydraulic oil between the valve block and the cooler circuit, ensuring consistent lubrication and thermal regulation within the gearbox. The SKU 0750.147.209 is designed to withstand high operating temperatures and constant vibration, maintaining a leak-free seal throughout the transmission’s service life. Without this hose pipe, the transmission cannot maintain proper fluid pressure, leading to inefficient gear engagement and potential overheating.
Symptoms of Failure
When the ZF 0750.147.209 HOSE PIPE begins to degrade, operators often notice these specific failure indicators:
- External hydraulic oil leaks around the transmission housing or near the cooler connections, often appearing as drips or wet spots on the bell housing.
- Delayed or harsh gear engagement during shifting, particularly when the transmission is under load or operating at high temperatures.
- Low transmission fluid pressure warnings on the dashboard, accompanied by erratic shift patterns or temporary loss of drive.
- Visible cracking or swelling of the hose material near the crimped fittings, indicating internal degradation that can lead to sudden rupture.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0750.147.209 |
| Product Type | Hose Pipe (Hydraulic Line) |
| Material | Reinforced synthetic rubber with braided steel mesh |
| Length (approx.) | 320 mm |
| Inner Diameter | 12 mm |
| Outer Diameter | 22 mm |
| Weight | 0.18 kg |
| Operating Pressure | 12 bar (max) |
| Temperature Range | -40°C to +120°C |
| OEM Reference | ZF 0750.147.209 |
| Fitting Type | Banjo bolt with O-ring seal |
Compatibility
This hose pipe is primarily designed for the ZF WG 200 series transmissions, including models WG200, WG210, and WG211. It is also compatible with the WG180 series when used in specific hydraulic circuit configurations. The part interfaces directly with the 4644105424 DISCONNECTION fitting and the 4644303538 OUTPUT FLANGE assembly. For secure mounting, the 0636021036 HEXAGON SCREW is required to fasten the hose bracket to the 4644101224 TRANSMISSION HOUSING. Always verify your transmission model and serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644105424 | DISCONNECTION | Quick-release coupling for hydraulic line service |
| 4644303538 | OUTPUT FLANGE | Driveshaft connection point on transmission output |
| 0636021036 | HEXAGON SCREW | M10 bolt for securing hose brackets and covers |
| 4644101224 | TRANSMISSION HOUSING | Main structural casing for gear train assembly |
| 4644301346 | TRANSMISSION HOUSING | Alternate housing variant for WG200 series |
| 0730365067 | TYPE PLATE | Identification label with transmission serial number |
| 4644106300 | SHIFT SYSTEM | Hydraulic control unit for gear selection |
| 4644306500 | COVER PLATE | Protective cover for shift system access |
| 4644159311 | SHIFT SYSTEM | Alternate shift system for WG200 variants |
| 4644306563 | VALVE BLOCK | Hydraulic valve manifold for pressure regulation |
