Overview
The ZF 2093.117.035 REAR AXLE HOUS. is a critical structural component designed to enclose and protect the differential assembly and axle shafts within heavy-duty construction machinery transmissions. This OEM genuine part serves as the rigid backbone of the rear axle system, ensuring precise alignment of internal gears and bearings under extreme torque loads. The SKU 2093.117.035 is precision-machined to maintain exact tolerances, preventing contamination ingress and supporting the entire weight of the vehicle’s rear drivetrain. It directly interfaces with the 2093109056: DIFFERENTIAL and the 2093209094: DIFFERENTIAL assemblies, forming a sealed chamber that houses the gearset and lubricant.
Symptoms of Failure
- Persistent oil seepage around axle seals: A cracked or warped rear axle housing often leads to lubricant escaping past the seals, visible as wet patches near the wheel hubs or differential cover. This is a common long-tail search query for “ZF rear axle housing oil leak repair.”
- Abnormal gear whine or grinding noises: When the housing loses structural integrity, the 0750117075: TAPER ROLLER BEARING seats can shift, causing misalignment and audible metal-on-metal contact during operation.
- Vibration during acceleration or turning: A deformed housing allows the 2093309078: DIFF.HOUSING to move out of spec, transmitting harsh vibrations through the chassis under load.
- Contaminated differential fluid: Cracks in the housing can allow water or debris to enter the lubricant, accelerating wear on internal components like the 2093109056: DIFFERENTIAL.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.117.035 |
| Material | High-strength ductile iron (GJS-500-7) |
| Weight | 38.5 kg (84.9 lbs) |
| Overall Length | 620 mm |
| Mounting Bolt Pattern | 12 x M16 bolts on 280 mm PCD |
| OEM Reference | ZF 2093.117.035 |
| Lubricant Capacity | 4.2 liters (with differential installed) |
Compatibility
This rear axle housing is engineered for ZF heavy-duty powershift transmissions commonly used in construction machinery. Based on its design and bolt pattern, it is compatible with the following ZF transmission models: WG180, WG200, WG210, and WG250. It also fits select variants of the ECOMIX series used in wheel loaders and graders. Always verify the housing casting number against your existing unit before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109056 | DIFFERENTIAL | Distributes torque to axle shafts while allowing speed difference between wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads from the differential carrier |
| 2093209094 | DIFFERENTIAL | Secondary differential unit for multi-axle configurations |
| 2093309078 | DIFF.HOUSING | Inner housing that contains the differential gear set |
| 0631100223 | SPRING PIN | Secures differential components to prevent rotational movement |
| 0730300820 | THRUST WASHER | Reduces axial friction between rotating gears and housing surfaces |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from the driveshaft to the differential ring gear |
| 2097309085 | DIFFERENTIAL AXLE | Output shaft that connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Provides wear surface for differential side gears |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with axle bevel gear to change torque direction |
Frequently Asked Questions
Q: Can the ZF 2093.117.035 housing be repaired if cracked?
A: Welding is not recommended for this ductile iron housing due to risk of distortion. Replacement with a genuine OEM part ensures proper bearing bore alignment and seal surface integrity.
Q: What torque specification should be used for mounting bolts?
A: For the 12 x M16 bolts, tighten to 210 Nm (155 ft-lbs) in a cross-pattern sequence. Always use new lock washers and apply thread locker to prevent loosening under vibration.
Q: Does this housing include the differential carrier bearings?
A: No, the 2093.117.035 is supplied as a bare housing. You must install the 0750117075: TAPER ROLLER BEARING and 2093309078: DIFF.HOUSING separately during assembly.
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