Overview
The ZF 2093.060.004 REAR AXLE is a critical drivetrain component engineered for heavy-duty construction machinery. This OEM genuine part serves as the primary load-bearing and torque-transmitting assembly within the final drive section of ZF transmissions. Positioned directly between the differential housing and the wheel hubs, the rear axle ensures precise power distribution to the wheels while withstanding extreme torsional stresses and shock loads common in excavators, wheel loaders, and graders. The SKU 2093.060.004 is manufactured to ZF’s exacting tolerances, guaranteeing seamless integration with the 2093109024: DIFFERENTIAL and the 2093209095: DIFFERENTIAL assembly to maintain optimal gear mesh alignment.
Symptoms of Failure
When the ZF 2093.060.004 rear axle begins to wear, operators will notice distinct performance degradation. Oil leaks around the axle seal are the most common early indicator, often accompanied by visible drips near the wheel hub. Abnormal gear whining or grinding noises during turns or under load signal excessive bearing play or surface fatigue. Uneven tire wear patterns and vibration through the chassis at low speeds indicate the axle shaft has developed runout or the 0750117075: TAPER ROLLER BEARING has lost preload. In severe cases, complete loss of drive to one wheel occurs when the axle splines strip or the 2093309071: DIFF.HOUSING cracks under stress.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.060.004 |
| Overall Length | 685 mm |
| Shaft Diameter | 55 mm |
| Spline Count | 24 (internal) |
| Material | Forged alloy steel (42CrMo4) |
| Weight | 12.4 kg |
| Heat Treatment | Induction hardened (HRC 58-62) |
| OEM Reference | ZF 2093.060.004 |
| Torque Capacity | 4,500 Nm |
Compatibility
This OEM genuine rear axle is designed for ZF’s heavy-duty transmission families used in construction machinery. Primary compatibility includes the WG180 and WG200 series transmissions, commonly found in Volvo, Caterpillar, and Liebherr equipment. It also fits select WG160 and WG250 variants where the axle housing interface matches. The 2093.060.004 integrates directly with the 2093109024: DIFFERENTIAL and the 2093209095: DIFFERENTIAL assemblies, requiring the 0750117075: TAPER ROLLER BEARING for proper axial support. Always verify your transmission model and housing dimensions before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109024 | DIFFERENTIAL | Distributes torque between wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports axle shaft radial loads |
| 2093209095 | DIFFERENTIAL | Secondary differential assembly |
| 2093309071 | DIFF.HOUSING | Encloses differential gears |
| 0631100223 | SPRING PIN | Secures axle to differential |
| 0730300820 | THRUST WASHER | Controls axial play in axle assembly |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hub |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel |
| 5838300811 | THRUST WASHER | Reduces friction in differential |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Drives differential rotation |
Frequently Asked Questions
Q: Can the 2093.060.004 rear axle be used in a ZF WG180 transmission from a 2015 Volvo L120?
A: Yes, the 2093.060.004 is compatible with the WG180 series. However, verify the axle housing interface matches your specific unit, as some early WG180 variants used a shorter shaft length.
Q: What torque specification should I use when installing this axle?
A: The retaining nut should be torqued to 450 Nm with a final 90-degree turn. Always replace the 0631100223: SPRING PIN during reassembly to prevent loosening.
Q: How do I identify if my axle is the 2093.060.004 or a similar variant?
A: Measure the shaft diameter (55 mm) and count the internal splines (24). The part number is also stamped on the flange face near the oil seal groove.
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