Overview
The ZF 2099.298.067 REAR AXLE HOUSING is a critical structural component within the final drive assembly of heavy-duty construction machinery. This OEM genuine part encases the differential and final reduction gears, providing the rigid mounting point for axle shafts and bearings. As the primary load-bearing shell, it transfers torque from the transmission to the wheels while protecting internal lubricants from contamination. The SKU 2099.298.067 is precision-machined to maintain exact gear mesh alignment, ensuring long service life in demanding environments like wheel loaders and graders.
Symptoms of Failure
- Oil seepage at axle seals: Cracks or warping in the housing cause lubricant to escape, leading to low oil levels and eventual gear damage. Search for “ZF rear axle housing oil leak repair.”
- Unusual whining or grinding noises: A deformed housing misaligns the 2098309008: CROWN WHEEL, creating metal-on-metal contact during operation.
- Vibration under load: Fatigue fractures in the housing allow the 2099109038: DIFFERENTIAL to shift, causing driveline shudder when turning or climbing.
- Contaminated gear oil: Housing cracks permit dirt and water ingress, visible as milky oil during changes. This accelerates wear on the 2098209016: DIFFERENTIAL assembly.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2099.298.067 |
| Material | Ductile cast iron (GJS-500-7) |
| Dry Weight | 38.5 kg (84.9 lbs) |
| Overall Length | 620 mm |
| Mounting Bolt Pattern | 12 x M16 on 180 mm PCD |
| OEM Reference | ZF 2099.298.067 |
| Max Torque Capacity | 12,000 Nm |
Compatibility
This housing is engineered for ZF WG-series powershift transmissions commonly found in construction loaders and dozers. It directly fits the WG180, WG200, and WG250 models. The casting accommodates both standard and limited-slip 2095309059: DIFF.HOUSING configurations. Always verify axle flange dimensions against your machine’s service manual before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2099109038 | DIFFERENTIAL | Distributes torque between left and right wheels |
| 2098309008 | CROWN WHEEL | Transfers final drive reduction from pinion |
| 2098209016 | DIFFERENTIAL | Alternative differential assembly for WG200 |
| 2095309059 | DIFF.HOUSING | Internal carrier for differential gears |
| 0631329086 | SPRING PIN | Locks differential pinion shaft in place |
| 0730300820 | THRUST WASHER | Reduces axial play in differential gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hub |
| 2095309081 | DIFFERENTIAL AXLE | Spindle for differential side gears |
| 5838300811 | THRUST WASHER | Prevents gear face wear under load |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Spider gear for torque splitting |
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