ZF 2093.093.001 REAR AXLE | OEM Genuine Part

Overview

The ZF 2093.093.001 REAR AXLE is a critical OEM genuine component engineered for the final drive assembly in heavy-duty construction machinery. This part serves as the primary torque-transmitting hub, connecting the differential output directly to the wheel ends. Positioned at the rear of the transmission housing, it ensures that rotational power is efficiently converted into linear traction under extreme loads. The SKU 2093.093.001 is manufactured to ZF’s original specifications, guaranteeing a precise fit and long service life in demanding environments such as excavators, wheel loaders, and graders.

Symptoms of Failure

• Rear axle oil leaks around the hub seal: When the 2093.093.001 unit wears, degraded seals allow gear oil to escape, leaving visible puddles under the machine and reducing lubrication levels.
• Persistent gear whine or grinding noise during turns: A failing rear axle often produces a low-frequency hum or metallic grinding, particularly when the vehicle is under load or cornering, indicating worn bearing surfaces.
• Excessive backlash or wheel play: Worn splines or internal gear teeth cause noticeable free play in the rear wheels, leading to imprecise steering and uneven tire wear.
• Reduced traction or wheel hop: As the axle loses structural integrity, the machine may experience intermittent power loss or hopping during acceleration on uneven terrain.

Technical Specifications

Specification	Value
Part Number	2093.093.001
Material	High-strength alloy steel (induction hardened)
Weight	Approx. 14.2 kg (31.3 lbs)
Overall Length	485 mm
Flange Diameter	180 mm
Spline Count	24 internal splines
OEM Reference	ZF 2093.093.001
Torque Capacity	Up to 3,200 Nm

Compatibility

This genuine rear axle is primarily designed for integration with ZF’s WG180 and WG200 series power shift transmissions, commonly found in mid-size to large construction loaders. It is also compatible with certain ZF 4WG-180 and 4WG-200 variants used in articulated dump trucks and crawler dozers. For precise fitment verification, always cross-reference the 2093.093.001 with your transmission’s serial number plate.

Installation Context

When replacing the rear axle, it is essential to inspect and often replace adjacent components within the same final drive assembly. The 2093109003: DIFFERENTIAL works in tandem with the axle to distribute torque evenly. Additionally, the 0750117075: TAPER ROLLER BEARING supports the axle shaft and must be replaced if any play is detected. For complete rebuilds, the 2093209096: DIFFERENTIAL and the 2093309073: DIFF.HOUSING should be checked for cracks or wear to ensure a sealed, long-lasting repair.

Related Components

Part Number	Name	Function
2093109003	DIFFERENTIAL	Distributes torque between rear wheels
0750117075	TAPER ROLLER BEARING	Supports axle shaft radial and axial loads
2093209096	DIFFERENTIAL	Secondary differential for heavy-duty applications
2093309073	DIFF.HOUSING	Encloses differential gears and lubricant
0631100223	SPRING PIN	Secures axle components against rotation
0730300820	THRUST WASHER	Reduces axial friction between gears
4482360002	AXLE BEVEL GEAR	Transfers power from differential to axle shaft
2097309085	DIFFERENTIAL AXLE	Connects differential to wheel hub
5838300811	THRUST WASHER	Controls end-play in differential assembly
4482360001	DIFFERENTIAL BEVEL GEAR	Primary gear for torque splitting

Frequently Asked Questions

Q: Can the ZF 2093.093.001 rear axle be used in a ZF 4WG-210 transmission?
A: While the 2093.093.001 is optimized for WG180 and WG200 series, it may physically fit some 4WG-210 variants. Always measure spline count and flange diameter before installation.

Q: What is the typical lifespan of this rear axle under normal construction duty?
A: With proper lubrication and no overloading, the OEM genuine axle typically lasts 8,000 to 12,000 operating hours before bearing or seal degradation occurs.

Q: Do I need to replace the taper roller bearing (0750117075) at the same time?
A: Yes, it is strongly recommended. A worn bearing will quickly damage the new axle shaft, so always install a fresh 0750117075: TAPER ROLLER BEARING alongside the 2093.093.001.