Overview
The ZF 2095.056.025 TRA 13 is a genuine OEM component engineered for the final drive assembly of heavy-duty construction machinery transmissions. This precision-machined part functions as a critical load-bearing element within the differential housing, directly interfacing with the axle bevel gear set to transfer torque from the transmission output to the wheel hubs. Specifically identified by SKU 2095.056.025, this component is designed to withstand extreme axial and radial loads encountered during excavation, grading, and material handling operations. It works in concert with the 2095109019 DIFFERENTIAL to ensure smooth power distribution, while the 0750117075 TAPER ROLLER BEARING provides the necessary rotational support for this assembly.
Symptoms of Failure
- Oil leaks at the axle flange seal: Worn surfaces on the 2095.056.025 can cause the seal lip to lose contact, leading to visible gear oil seepage around the wheel hub area.
- Low-speed gear grinding during turns: When this part fatigues, it allows excessive play in the differential carrier, producing a metallic grinding noise specifically when the machine turns under load.
- Vibration in the driveline at 10-20 mph: Degraded mating surfaces cause the 2095209037 DIFFERENTIAL to wobble, transmitting vibrations through the chassis that are felt in the operator seat.
- Premature wear on the differential housing: A failing 2095.056.025 will gradually damage the 2095309059 DIFF.HOUSING, requiring costly housing replacement if not addressed early.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2095.056.025 |
| Material | Case-hardened alloy steel (20MnCr5) |
| Outer Diameter | 185 mm |
| Inner Diameter | 72 mm |
| Overall Length | 98 mm |
| Weight | 4.2 kg |
| Surface Hardness | 58-62 HRC |
| OEM Reference | ZF TRA 13 |
Compatibility
This genuine ZF 2095.056.025 TRA 13 component is specifically engineered for use in the following ZF transmission models commonly found in construction machinery: WG180, WG200, WG210, and WG240 series. It is also compatible with the ZF 4WG-200 and ZF 5WG-210 powershift transmissions used in wheel loaders, backhoe loaders, and telehandlers. Always verify your transmission serial number against the OEM parts catalog before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095109019 | DIFFERENTIAL | Distributes torque between left and right wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on the differential |
| 2095209037 | DIFFERENTIAL | Secondary differential carrier for multi-axle configurations |
| 2095309059 | DIFF.HOUSING | Encloses and supports the differential gear set |
| 0631329086 | SPRING PIN | Secures differential components to the carrier |
| 0730300820 | THRUST WASHER | Controls axial clearance between gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from differential to axle shaft |
| 2095309081 | DIFFERENTIAL AXLE | Connects differential side gears to wheel hubs |
| 5838300811 | THRUST WASHER | Reduces friction on differential pinion gears |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear set for torque splitting |
