Overview
The ZF 2093.094.001 REAR AXLE is a critical load-bearing and torque-transmitting component within ZF’s heavy-duty drivetrain assemblies. This OEM genuine part serves as the final output housing that transfers rotational force from the differential to the wheel hubs, while supporting the vehicle’s static and dynamic loads. Designed specifically for construction machinery applications, the 2093.094.001 rear axle integrates directly with the differential housing and axle shafts to ensure precise alignment and minimal power loss. When installed as part of a complete axle rebuild, this SKU works in concert with the 2093109021: DIFFERENTIAL and the 2093209096: DIFFERENTIAL to maintain optimal gear mesh and load distribution.
Symptoms of Failure
- Oil leaks at axle seal interface: Worn rear axle components often cause lubricant seepage around the hub seal, leading to low differential oil levels and accelerated gear wear.
- Persistent gear whine or grinding noise: A failing rear axle can produce a rhythmic whining sound during acceleration or deceleration, indicating bearing or gear tooth damage.
- Excessive wheel end play: When the rear axle housing or its internal bearings degrade, you may notice lateral movement at the wheel hub, which compromises steering stability and tire wear.
- Vibration during load operation: A worn rear axle often transmits vibration through the chassis under heavy loads, signaling misalignment or fatigue in the axle tube or flange.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.094.001 |
| OEM Reference | ZF 2093.094.001 |
| Material | High-strength nodular cast iron (GGG-50) |
| Weight | 48.5 kg (107 lbs) |
| Overall Length | 1,120 mm |
| Flange Diameter | 280 mm |
| Axle Tube Outer Diameter | 120 mm |
| Bolt Pattern | 8 x M16 on 180 mm PCD |
| Max Torque Capacity | 12,000 Nm |
| Compatible Bearing | 0750117075: TAPER ROLLER BEARING |
| Housing Part | 2093309073: DIFF.HOUSING |
Compatibility
This ZF rear axle is engineered for use in the following transmission and axle series commonly found in wheel loaders, graders, and dump trucks: ZF WG180, WG200, WG210, and AP400 series. It is also compatible with select ZF TC-Tronic and Ecolite drivelines where the axle mounting flange and spline count match. For precise fitment, always verify the axle ratio and housing casting number against your equipment’s service manual. The 2093109021: DIFFERENTIAL and 2093209096: DIFFERENTIAL are direct bolt-on companions for this rear axle in most ZF assemblies.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109021 | DIFFERENTIAL | Distributes torque between left and right wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports axle shaft radial and axial loads |
| 2093209096 | DIFFERENTIAL | Secondary differential unit for multi-axle configurations |
| 2093309073 | DIFF.HOUSING | Encloses and protects differential gears |
| 0631100223 | SPRING PIN | Secures differential pinion shaft |
| 0730300820 | THRUST WASHER | Reduces friction between side gears and housing |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from pinion to ring gear |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hub assembly |
| 5838300811 | THRUST WASHER | Prevents axial movement of differential gears |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Provides final gear reduction in differential |
Frequently Asked Questions
Q: Can the ZF 2093.094.001 rear axle be used in a ZF WG200 transmission?
A: Yes, this rear axle is compatible with the WG200 series, provided the axle ratio and spline count match your specific application. Always cross-reference the housing casting number with your equipment’s parts manual.
Q: What is the typical service life of this rear axle in construction machinery?
A: Under normal operating conditions with proper lubrication and regular seal inspections, the 2093.094.001 rear axle can last 8,000 to 12,000 hours. Early replacement of the 0750117075: TAPER ROLLER BEARING and 0730300820: THRUST WASHER can extend axle life significantly.
Q: Does this part include the differential housing or just the axle tube?
A: The 2093.094.001 is the complete rear axle assembly, including the axle tube and flange. The differential housing is a separate component, listed as 2093309073: DIFF.HOUSING, which must be ordered separately if needed.
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