Overview
The ZF 2095.152.008 HYDR.CONTROL is a critical OEM genuine hydraulic control unit engineered for precise modulation of clutch and differential lock functions within ZF powershift transmissions. This valve assembly regulates oil flow and pressure to ensure smooth gear engagement and torque distribution in heavy-duty construction machinery. As a direct OEM replacement, the SKU 2095.152.008 guarantees exact fitment and factory-specified performance, eliminating the risk of aftermarket calibration errors. It sits within the transmission valve body, interfacing directly with the 5838109007: DIFFERENTIAL to manage power delivery to the wheels.
Symptoms of Failure
- Delayed or harsh gear engagement: When the hydraulic control valve wears, internal spools stick or seals degrade, causing a noticeable lag or jarring shift when moving from neutral to drive or reverse.
- Intermittent loss of differential lock: A failing 2095.152.008 unit may fail to hold pressure, leading to the differential unlocking unexpectedly under load, reducing traction in mud or uneven terrain.
- External hydraulic oil seepage: Cracks in the valve body or worn O-rings around the control ports result in visible oil drips near the transmission housing, often accompanied by a burnt smell from overheating fluid.
- Erratic clutch modulation: Operators may experience surging or slipping during low-speed maneuvering, as the control unit cannot maintain consistent pressure to the 5838300137: OUTER CLUTCH DISK and 5838300138: INNER CLUTCH DISK.
Technical Specifications
| Part Number | 2095.152.008 |
| Type | Hydraulic Control Valve Assembly |
| Material | High-strength aluminum alloy with hardened steel spools |
| Weight | 2.4 kg (5.3 lbs) |
| Dimensions (L x W x H) | 210 mm x 95 mm x 75 mm |
| OEM Reference | ZF 2095.152.008 |
| Operating Pressure | 12–18 bar (174–261 psi) |
Compatibility
This hydraulic control unit is primarily designed for ZF WG180 and WG200 series powershift transmissions, commonly found in wheel loaders, graders, and telescopic handlers from manufacturers such as Liebherr, Volvo, and Caterpillar. It also supports select WG150 and WG220 variants used in older construction machinery. The valve body interfaces directly with the 2095209019: DIFFERENTIAL assembly and relies on the 0750117075: TAPER ROLLER BEARING for smooth rotational support. Always verify your transmission serial number against the ZF parts catalog to confirm fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109007 | DIFFERENTIAL | Distributes torque between wheels while allowing speed difference during turns |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on rotating shafts within the differential housing |
| 2095209019 | DIFFERENTIAL | Secondary differential unit for tandem axle configurations |
| 0631329086 | SPRING PIN | Secures linkage pins and prevents unintended disassembly of control linkages |
| 5838300817 | THRUST WASHER | Reduces axial friction between rotating gear faces and stationary housing |
| 5838300682 | DIFFERENTIAL AXLE | Transfers rotational force from the differential to the wheel hubs |
| 5838300811 | THRUST WASHER | Provides wear surface for planetary gear sets within the transmission |
| 5841302064 | THRUST WASHER | Controls end-play in the output shaft assembly |
| 5838300137 | OUTER CLUTCH DISK | Steel friction plate that engages against inner disks to lock gear sets |
| 5838300138 | INNER CLUTCH DISK | Lined friction disk that mates with outer disks for torque transfer |
