Overview
The ZF 2093.117.017 REAR AXLE HOUS. is a critical structural component within heavy-duty construction machinery drivelines, serving as the rigid casing that encloses the differential assembly and final drive gears. This OEM genuine part, identified by SKU 2093.117.017, mounts directly to the transmission output flange and provides the precise alignment necessary for torque transfer from the axle shafts to the wheels. Engineered to withstand extreme torsional loads and shock impacts common in earthmoving equipment, the housing ensures that internal components like the 2093109013: DIFFERENTIAL remain securely positioned under heavy operational stress.
Symptoms of Failure
- Visible oil seepage around axle seals: Cracks or porosity in the housing casting often lead to gear oil weeping from the rear axle housing, leaving puddles under parked machinery.
- Abnormal whining or grinding noise during turns: A warped or cracked housing misaligns the ring and pinion gears, producing a rhythmic metallic sound that intensifies under load.
- Premature bearing wear and gear chatter: Distortion in the housing bore causes the 0750117075: TAPER ROLLER BEARING to lose preload, resulting in excessive play and chattering during acceleration.
- Vibration transmitted through the chassis: A compromised housing allows the differential carrier to shift, creating low-frequency vibrations felt in the operator cab at highway speeds.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2093.117.017 |
| Material | High-tensile nodular cast iron (GGG-50) |
| Overall Length | 680 mm (26.8 in) |
| Flange Diameter | 320 mm (12.6 in) |
| Dry Weight | 42.5 kg (93.7 lbs) |
| Bore Tolerance | H7 (0.025 mm) |
| OEM Reference | ZF 2093.117.017 |
Compatibility
This rear axle housing is designed for ZF WG-series powershift transmissions commonly installed in wheel loaders, graders, and telehandlers. It is a direct fit for the WG180 and WG200 transmission models, as well as the heavy-duty WG210 series. The housing also interfaces with the 2093209096: DIFFERENTIAL assembly and the 2093309073: DIFF.HOUSING cover. Always verify axle flange bolt patterns before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109013 | DIFFERENTIAL | Distributes torque between left and right axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier and absorbs axial loads |
| 2093209096 | DIFFERENTIAL | Secondary differential unit for multi-axle configurations |
| 2093309073 | DIFF.HOUSING | Outer cover that seals the differential cavity |
| 0631100223 | SPRING PIN | Locks differential gears to the carrier shaft |
| 0730300820 | THRUST WASHER | Reduces friction between differential gears and housing |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from pinion to differential ring gear |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential side gears to wheel hubs |
| 5838300811 | THRUST WASHER | Controls end-play in the differential pinion shaft |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with axle bevel gear for final drive ratio |
Frequently Asked Questions
Q: Can the ZF 2093.117.017 housing be repaired if cracked?
A: Welding is not recommended due to the risk of distorting critical bearing bores. Replacement with an OEM genuine housing ensures proper gear mesh and seal alignment.
Q: What torque specifications apply to the housing mounting bolts?
A: For WG180/WG200 applications, flange bolts should be tightened to 280 Nm (207 ft-lbs) in a cross-pattern sequence. Always consult the ZF service manual for your specific transmission model.
Q: Does this part include the differential carrier bearings?
A: No. The housing is supplied as a bare casting. You will need to install the 0750117075: TAPER ROLLER BEARING and associated shims separately during assembly.
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