Overview
The ZF 2097.317.038 REAR AXLE HOUSING is a structural core component designed to enclose and protect the differential assembly in heavy-duty construction machinery drivetrains. As an OEM genuine part, this housing provides the rigid mounting point for the axle shafts and bearings, ensuring precise gear alignment under extreme loads. The SKU 2097.317.038 sits directly between the main transmission output and the wheel hubs, forming the final drive enclosure that transfers torque to the ground. This housing works in concert with the 2093109032: DIFFERENTIAL to maintain proper gear mesh and load distribution.
Symptoms of Failure
- Oil seepage from axle tube seals: When the housing develops stress cracks or porosity, gear oil leaks onto brake components, causing reduced stopping power and visible puddles under the machine.
- Excessive drivetrain backlash: A warped or cracked housing allows the 0750117075: TAPER ROLLER BEARING seats to shift, creating a clunking sensation when changing direction or accelerating.
- Abnormal gear whine under load: Distortion in the housing bore causes misalignment of the 2093209094: DIFFERENTIAL gears, producing a high-pitched noise that intensifies during turning maneuvers.
- Premature bearing failure: Vibration from a compromised housing accelerates wear on the 2093309078: DIFF.HOUSING mating surfaces, leading to metal contamination in the oil.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2097.317.038 |
| Material | Ductile iron GGG-50 |
| Weight | 48.5 kg (107 lbs) |
| Overall Length | 620 mm |
| Bore Diameter | 180 mm |
| Bolt Pattern | 12 x M16 on 220 mm PCD |
| OEM Reference | ZF 2097.317.038 |
Compatibility
This rear axle housing is engineered for ZF WG-series powershift transmissions commonly used in wheel loaders and graders. It directly fits the following models: WG180, WG200, WG210, and WG240 series. The housing is also compatible with select ZF 4WG-200 and ZF 6WG-250 drivelines where the axle mounting flange matches the 220 mm bolt pattern. Always verify the axle ratio and housing casting number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109032 | DIFFERENTIAL | Distributes torque between axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209094 | DIFFERENTIAL | Secondary differential assembly |
| 2093309078 | DIFF.HOUSING | Outer differential casing |
| 0631100223 | SPRING PIN | Locks differential pinion shaft |
| 0730300820 | THRUST WASHER | Controls axial play in differential |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to side gears |
| 5838300811 | THRUST WASHER | Reduces friction on gear faces |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear set for torque split |
Frequently Asked Questions
Q: Can the 2097.317.038 housing be welded if cracked?
A: Welding is not recommended for this ductile iron housing due to stress concentration risks. Replacement with an OEM genuine part ensures the original metallurgical properties and dimensional accuracy are maintained.
Q: What torque specification should be used for the housing bolts?
A: For the 12 x M16 bolts, apply 280 Nm (207 ft-lbs) in a cross-pattern sequence. Always use new lock washers and consult the ZF service manual for your specific transmission model.
Q: Does this housing include the axle tubes?
A: No, the 2097.317.038 is the central carrier housing only. The axle tubes are sold separately and must be pressed in using the correct interference fit procedure.
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