Overview
The ZF 2093.117.032 REAR AXLE HOUSING is a structural core component within heavy-duty construction machinery drivetrains. This OEM genuine part encloses the final drive gearing and differential assembly, providing the rigid mounting point for axle shafts and wheel hubs. As the primary load-bearing shell, it supports the vehicle’s weight and transmits torque from the transmission to the wheels. The SKU 2093.117.032 is precision-cast to maintain exact gear mesh alignment under extreme stress, ensuring long service life in excavators, loaders, and graders.
Symptoms of Failure
- Visible oil seepage at axle tube seals: Cracks or porosity in the housing allow gear oil to escape, leading to low lubricant levels and accelerated wear of internal components like the 2093109032 DIFFERENTIAL.
- Unusual whining or grinding noise during turns: A distorted housing misaligns the 0750117075 TAPER ROLLER BEARING, causing uneven gear contact and audible distress.
- Excessive backlash in the driveline: Housing flex under load allows the 2093209094 DIFFERENTIAL to shift, creating a clunk when engaging forward or reverse.
- Wheel hub wobble or vibration: A fractured mounting flange fails to secure the 2093309078 DIFF.HOUSING, leading to uneven tire wear and chassis vibration.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2093.117.032 |
| Material | Ductile iron (GJS-500-7) |
| Weight | 38.5 kg (84.9 lbs) |
| Overall Length | 720 mm |
| Mounting Bolt Pattern | 12 x M16 on 280 mm PCD |
| Axle Tube Diameter | 110 mm |
| Compatible Lubricant | SAE 80W-90 GL-5 |
Compatibility
This rear axle housing is engineered for ZF heavy-duty powershift transmissions commonly used in construction machinery. It is a direct fit for the WG180 and WG200 series, as well as the WG310 and WG350 models found in wheel loaders and dump trucks. The housing also integrates with select Ecomat 4HP and 6HP drivelines where a rigid rear axle is specified. Always verify the axle ratio and differential case width before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109032 | DIFFERENTIAL | Distributes torque between left and right wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209094 | DIFFERENTIAL | Secondary differential for multi-axle setups |
| 2093309078 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures differential pinion shaft |
| 0730300820 | THRUST WASHER | Reduces axial play in differential gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Drives wheel hub through final reduction |
| 5838300811 | THRUST WASHER | Controls side gear end float |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with pinion for torque split |
Frequently Asked Questions
Q: Can the 2093.117.032 housing be repaired if cracked?
A: Welding is not recommended due to the risk of distorting bearing bores. Replacement with an OEM genuine housing ensures correct gear alignment and avoids premature failure of the 2093109032 DIFFERENTIAL.
Q: What is the typical service life of this axle housing?
A: In normal construction machinery use, the housing lasts 8,000–12,000 hours. Impact damage from overloading or debris strikes can shorten this, requiring inspection of the 0750117075 TAPER ROLLER BEARING and 2093209094 DIFFERENTIAL during replacement.
Q: Does this housing include the differential carrier?
A: No. The housing is supplied as a bare casting. You will need to transfer the 2093309078 DIFF.HOUSING and all internal gears from your original assembly.
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