Overview
The ZF 2095.117.021 REAR AXLE HOUSING is a critical structural component within heavy-duty construction machinery drivelines. This OEM genuine part encases the differential assembly and axle shafts, providing the rigid support necessary to transfer torque from the transmission to the wheels. As the central load-bearing shell, it maintains precise gear alignment under extreme stress. The SKU 2095.117.021 is engineered to ZF’s exacting tolerances, ensuring a seamless fit with internal rotating elements like the 2095109011 DIFFERENTIAL and the 2095209037 DIFFERENTIAL assembly.
Symptoms of Failure
- Persistent gear oil seepage from housing seams: Cracks or porosity in the casting allow lubricant to escape, leading to low fluid levels and accelerated internal wear.
- Abnormal whining or grinding during turns: A warped or misaligned housing disrupts the mesh pattern of the 0750117075 TAPER ROLLER BEARING, generating audible distress under load.
- Vibration through the chassis at low speeds: Structural fatigue in the housing can cause the 2095309059 DIFF.HOUSING to flex, transmitting oscillation into the vehicle frame.
- Metal debris in drained oil: Internal spalling from housing-mounted bearing journals indicates imminent structural failure requiring immediate replacement.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2095.117.021 |
| Material | High-strength nodular cast iron (GGG-40) |
| Dry Weight | 38.5 kg (84.9 lbs) |
| Overall Length | 620 mm |
| Mounting Bolt Pattern | 12 x M16 on 180 mm PCD |
| Bearing Bore Diameter | 120 mm |
| Oil Capacity (Housing Only) | 4.2 liters |
Compatibility
This rear axle housing is primarily specified for ZF WG180 and WG200 series powershift transmissions used in wheel loaders, telehandlers, and graders. It also fits select ZF APL-300 and APL-400 axle configurations. The casting accommodates both standard and limited-slip differential carriers. Always verify the housing flange pattern against your existing 2095309059 DIFF.HOUSING before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095109011 | DIFFERENTIAL | Distributes torque between left and right axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier within housing |
| 2095209037 | DIFFERENTIAL | Alternative differential assembly for high-torque applications |
| 2095309059 | DIFF.HOUSING | Internal carrier that holds differential gears |
| 0631329086 | SPRING PIN | Secures differential pinion shaft alignment |
| 0730300820 | THRUST WASHER | Controls axial clearance of side gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from ring gear to axle shafts |
| 2095309081 | DIFFERENTIAL AXLE | Cross shaft for differential spider gears |
| 5838300811 | THRUST WASHER | Prevents gear-to-housing contact under load |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear set for torque splitting |
