Overview
The ZF 2095.078.010 T 7140 is an OEM genuine internal component engineered for heavy-duty construction machinery transmissions. This part functions as a critical interface element within the planetary gear set, ensuring precise torque distribution and smooth power flow under extreme loads. Located in the upper valve body section of the transmission, it regulates hydraulic pressure to the clutch packs. The SKU 2095.078.010 is manufactured to ZF’s exacting tolerances, making it a direct replacement for worn units in high-hour equipment. For complete assembly integrity, this component is often installed alongside the 2095101031 TRANSMISSION HOUSING and the 2095301038 TRANSMISSION HOUSING, which provide structural support and fluid channeling.
Symptoms of Failure
- Delayed gear engagement or slipping under load – When the 2095.078.010 wears, hydraulic pressure drops, causing hesitation when shifting from neutral to drive or reverse.
- Intermittent loss of forward or reverse gears – A failing part leads to erratic clutch application, often reported as “transmission drops out of gear” during operation.
- Contaminated transmission fluid with metallic debris – Internal wear generates fine metal particles, visible during oil changes, indicating the part is degrading.
- Audible whining or grinding from the transmission housing – Worn surfaces create abnormal noise, especially at low RPM, signaling imminent failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 2095.078.010 |
| OEM Reference | ZF T 7140 |
| Material | Hardened alloy steel with anti-corrosion coating |
| Weight | 0.85 kg (1.87 lbs) |
| Dimensions (L x W x H) | 120 mm x 45 mm x 30 mm |
| Sealing Surface Finish | Ra 0.8 µm |
| Operating Temperature Range | -40°C to +120°C |
| Related Sealant | 0666790033 SURFACE SEALING COMPOUND |
| Related Plug | 4475280150 SCREW PLUG |
| Related O-Ring | 0634304731 O-RING |
| Related Sensor | 0501322533 TEMPERATURE SENSOR |
| Related O-Ring | 0634313366 O-RING |
| Related Fastener | 0636011207 HEXAGON SCREW |
Compatibility
This OEM genuine part is designed for use in ZF WG series transmissions commonly found in construction machinery such as wheel loaders, graders, and compactors. It is compatible with the following ZF transmission models (estimated based on part type and hydraulic circuit design):
- ZF WG180
- ZF WG200
- ZF WG210
- ZF WG120
During installation, always replace the 0634306189 O-RING to prevent fluid bypass, and verify the 0637842516 SOCKET is torqued to specification for secure electrical connections.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095101031 | TRANSMISSION HOUSING | Encloses and supports internal gear sets |
| 2095301038 | TRANSMISSION HOUSING | Provides fluid channels and mounting points |
| 0634306189 | O-RING | Seals hydraulic passages to prevent leaks |
| 0637842516 | SOCKET | Connects wiring harness to solenoid valves |
| 0666790033 | SURFACE SEALING COMPOUND | Prevents oil seepage at mating surfaces |
| 4475280150 | SCREW PLUG | Seals access ports in the housing |
| 0634304731 | O-RING | Seals plug and sensor interfaces |
| 0501322533 | TEMPERATURE SENSOR | Monitors transmission fluid temperature |
| 0634313366 | O-RING | Seals temperature sensor mounting |
| 0636011207 | HEXAGON SCREW | Secures housing and valve body components |
