Overview
The ZF 2095.078.012 T 7140 is a high-precision OEM genuine component engineered for the clutch and gear actuation system within heavy-duty ZF construction machinery transmissions. This part functions as a critical hydraulic or mechanical control element, managing fluid flow and pressure to engage specific gear sets. It sits within the valve body or control housing assembly, directly interfacing with the main TRANSMISSION HOUSING to ensure reliable power transfer under extreme loads. The SKU 2095.078.012 is manufactured to exacting ZF tolerances, making it a direct replacement for worn units in wheel loaders, graders, and dozers. Proper installation of this part is essential for maintaining shift quality and preventing internal cross-leakage.
Symptoms of Failure
- Delayed or harsh gear engagement: When the 2095.078.012 wears internally, hydraulic pressure drops, causing noticeable lag or clunking when shifting between forward and reverse.
- Transmission overheating: A failing control element can cause constant clutch slippage, generating excessive heat and triggering warning lights on the dash.
- Intermittent loss of drive: Worn internal seals or spools within this part may cause the transmission to suddenly lose power to the wheels, especially under heavy load.
- External fluid seepage: Cracks or O-ring degradation around the 2095.078.012 mounting point often lead to visible oil leaks near the valve body area.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number / SKU | 2095.078.012 (T 7140) |
| Material | Hardened alloy steel with anodized aluminum body |
| Weight | Approx. 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 145 mm x 85 mm x 60 mm |
| OEM Reference | ZF 2095.078.012 / T 7140 |
| Sealing Surface | Requires SURFACE SEALING COMPOUND for installation |
| Fastener Torque | Use HEXAGON SCREW per ZF spec |
Compatibility
This OEM genuine part is designed for integration with ZF’s heavy-duty powershift transmission series, specifically the WG180, WG200, and WG210 models commonly found in construction machinery. It is also compatible with certain variants of the 4WG-200 and 6WG-200 transmissions used in articulated dump trucks and large wheel loaders. The 2095.078.012 mounts directly into the TRANSMISSION HOUSING and is sealed using the O-RING (0634306189). For electrical connections, the SOCKET (0637842516) is required to complete the harness interface. Always verify your transmission model tag before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095101031 | TRANSMISSION HOUSING | Main structural casing for gear and clutch assembly |
| 2095301038 | TRANSMISSION HOUSING | Secondary housing section for valve body mounting |
| 0634306189 | O-RING | Seals the 2095.078.012 to prevent fluid leaks |
| 0637842516 | SOCKET | Electrical connector for solenoid or sensor interface |
| 0666790033 | SURFACE SEALING COMPOUND | Applied to mating surfaces for leak-proof assembly |
| 4475280150 | SCREW PLUG | Seals unused hydraulic ports in the valve body |
| 0634304731 | O-RING | Secondary seal for pressure test ports |
| 0501322533 | TEMPERATURE SENSOR | Monitors transmission fluid heat levels |
| 0634313366 | O-RING | Seals the temperature sensor into the housing |
| 0636011207 | HEXAGON SCREW | Fastens the control element to the housing |
