Overview
The ZF 2095.009.040 T 7100 PS is a genuine OEM hydraulic control valve assembly designed for the power-shift transmission systems used in heavy construction machinery. This component regulates clutch pressure and modulation, ensuring smooth gear engagement under high torque loads. The SKU 2095.009.040 sits within the valve body housing, directly interfacing with the main pressure regulator and solenoid circuits. When operating correctly, it maintains consistent hydraulic flow to the clutch packs, preventing driveline shock. For full drivetrain integrity, this valve works in concert with the 5838109022 DIFFERENTIAL and the 2095209037 DIFFERENTIAL to distribute power evenly to the wheels.
Symptoms of Failure
- Erratic gear engagement or delayed shifting: When the 2095.009.040 valve spool sticks due to contamination, you may experience a 2-3 second lag between selecting a gear and actual engagement.
- Transmission overheating under load: A worn valve causes constant clutch slip, generating excess heat. This often appears alongside a failing 0750117075 TAPER ROLLER BEARING, which adds rotational drag.
- Oil leaks from the valve body gasket: Internal O-ring degradation on the 2095.009.040 leads to external seepage, typically visible around the solenoid connector ports.
- Harsh or “clunking” shifts: Loss of modulation pressure results in abrupt clutch pack engagement, which can accelerate wear on the 2095309059 DIFF.HOUSING.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 2095.009.040 |
| OEM Reference | ZF T 7100 PS |
| Material | High-tensile aluminum alloy with hardened steel spool |
| Weight | 2.8 kg (6.2 lbs) |
| Dimensions (L x W x H) | 210 mm x 95 mm x 65 mm |
| Operating Pressure Range | 12–25 bar (174–362 psi) |
| Seal Type | NBR (Nitrile) O-rings, temperature rated to 120°C |
Compatibility
This genuine ZF 2095.009.040 valve is engineered for the following ZF transmission models commonly found in wheel loaders, graders, and dump trucks:
- ZF WG180 (all series)
- ZF WG200 (including WG200-2 and WG200-3 variants)
- ZF T 7100 PS (direct fit)
- ZF Ergopower 3 (select applications with power-shift control)
Always verify your transmission serial number before ordering. This valve is not compatible with ZF Ecomat or AS Tronic series.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109022 | DIFFERENTIAL | Distributes torque between left and right axles |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on output shaft |
| 2095209037 | DIFFERENTIAL | Secondary differential for planetary gear sets |
| 2095309059 | DIFF.HOUSING | Encloses differential gears and bearings |
| 0631329086 | SPRING PIN | Secures valve spool alignment |
| 0730300820 | THRUST WASHER | Reduces axial friction in differential assembly |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from differential to axle shafts |
| 2095309081 | DIFFERENTIAL AXLE | Connects differential side gears to wheel hubs |
| 5838300811 | THRUST WASHER | Controls end-play in planetary carrier |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear mesh within differential case |
