Overview
The ZF 2095.009.070 T 7120 L is a precision-machined OEM genuine component engineered for the final drive assembly of heavy-duty construction machinery transmissions. This part functions as a critical load-bearing element within the planetary gear set, ensuring smooth torque transfer and alignment of the differential system. Specifically designated for ZF’s T 7120 L series, the SKU 2095.009.070 interfaces directly with the 2095109015 DIFFERENTIAL and the 2095209037 DIFFERENTIAL to maintain axial stability under extreme loads. Its installation is essential for preventing driveline vibration and ensuring consistent power delivery in wheel loaders, graders, and excavators.
Symptoms of Failure
- Oil leaks from the axle housing: A worn 2095.009.070 often degrades sealing surfaces, causing hydraulic fluid seepage around the differential carrier. This is a common long-tail search query for “ZF T 7120 L oil leak repair.”
- Gear slipping under load: When this part fatigues, the 0750117075 TAPER ROLLER BEARING loses preload, leading to intermittent gear disengagement during heavy lifting or digging operations.
- Abnormal whining or grinding noises: Excessive clearance from a failed 2095.009.070 causes metal-on-metal contact with the 2095309059 DIFF.HOUSING, producing distinct high-frequency whining that intensifies with speed.
- Uneven tire wear or driveline vibration: Misalignment from a compromised part results in oscillatory motion transmitted to the wheels, detectable as rhythmic shaking in the operator cab.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2095.009.070 |
| OEM Reference | ZF T 7120 L |
| Material | Case-hardened alloy steel (16MnCr5) |
| Weight | 4.2 kg (9.26 lbs) |
| Outer Diameter | 180 mm |
| Inner Diameter | 85 mm |
| Height | 45 mm |
| Hardness | 58-62 HRC |
| Surface Finish | Ground and polished (Ra ≤ 0.4 µm) |
Compatibility
This OEM genuine part is designed for ZF transmissions in the WG and T series families. It is a direct fit for the following models:
- ZF WG180 (6-speed powershift, used in loaders)
- ZF WG200 (heavy-duty off-highway trucks)
- ZF T 7120 L (specialized for construction graders)
- ZF T 7120 R (reverse rotation variants)
Always verify your transmission serial number before ordering. The 2095.009.070 is not backward-compatible with older WG150 series without modification to the 2095309059 DIFF.HOUSING.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095109015 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on the differential shaft |
| 2095209037 | DIFFERENTIAL | Secondary differential unit for tandem axle configurations |
| 2095309059 | DIFF.HOUSING | Encloses and aligns the differential gear set |
| 0631329086 | SPRING PIN | Secures gear alignment within the differential carrier |
| 0730300820 | THRUST WASHER | Reduces axial friction between rotating gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from the differential to the axle shaft |
| 2095309081 | DIFFERENTIAL AXLE | Connects differential side gears to wheel hubs |
| 5838300811 | THRUST WASHER | Provides wear surface for planetary gear thrust faces |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear mesh for torque splitting in the differential |
