Overview
The ZF 0750.147.233 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 body and the cooler circuit, ensuring consistent lubrication and thermal regulation within the gearbox. The SKU 0750.147.233 is designed to withstand high-temperature oil exposure and mechanical vibration, maintaining a leak-free seal in demanding industrial applications. When installed correctly, this hose pipe supports the transmission’s ability to manage torque loads without fluid starvation, directly impacting shift quality and component longevity. It is frequently replaced alongside the 4644101176: TRANSMISSION HOUSING or the 4644301371: TRANSMISSION HOUSING during a full overhaul, as both housings contain the ports that this hose connects.
Symptoms of Failure
- Hydraulic oil seepage at the hose crimp or fitting: A worn 0750.147.233 hose pipe often develops micro-cracks near the metal ferrule, leading to slow oil loss that stains the transmission housing.
- Erratic gear engagement or delayed shifting: When this hose pipe collapses internally or becomes blocked, insufficient oil pressure reaches the clutch packs, causing hesitation during upshifts or harsh downshifts.
- Overheating transmission fluid: A compromised hose pipe restricts oil flow to the cooler, resulting in elevated sump temperatures that trigger warning lights or thermal degradation of the fluid.
- Audible whining from the pump: Air ingestion through a cracked hose pipe creates cavitation noise, particularly under load, indicating a loss of prime in the hydraulic circuit.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0750.147.233 |
| Material | Reinforced synthetic rubber with braided textile layer |
| Inner Diameter | 12.7 mm (0.5 in) |
| Overall Length | 410 mm (16.1 in) |
| Weight | 0.18 kg (0.4 lb) |
| OEM Reference | ZF 0750.147.233 |
| Operating Pressure | 12 bar (174 psi) max |
| Temperature Range | -40°C to +120°C (-40°F to +248°F) |
Compatibility
This hose pipe is primarily designed for the ZF WG 200 Series transmissions, including models such as the WG180, WG200, and WG210. It is also compatible with select variants of the WG 150 series where the cooler circuit routing matches. The 0750.147.233 interfaces directly with the 0730365067: TYPE PLATE identification system, ensuring correct part matching during rebuilds. For secure mounting, the 0631311009: GROOVED STUD is used to fasten the hose bracket to the transmission case. Always verify the hose routing against the original assembly to avoid kinking.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101176 | TRANSMISSION HOUSING | Encloses gear train and valve body |
| 4644301371 | TRANSMISSION HOUSING | Alternate housing variant for WG200 |
| 0730365067 | TYPE PLATE | Identifies transmission model and specs |
| 0631311009 | GROOVED STUD | Secures hose pipe bracket to housing |
| 4644303060 | COVER PLATE | Seals access port on transmission |
| 4644201011 | COVER PLATE | Protects internal components from debris |
| 4644201010 | COVER PLATE | Lower cover for oil pan area |
| 4644301372 | COVER PLATE | Side cover for valve body access |
| 0636610028 | STUD | Threaded fastener for housing assembly |
| 0634306525 | O-RING | Seals hose pipe connection ports |
