ZF 5838.073.009 REAR AXLE | OEM Genuine Part

Genuine ZF REAR AXLE (Part No. 5838.073.009). Also referenced as: 5838073009 / 5838.073.009 / 5838 073 009.

Overview

The ZF 5838.073.009 REAR AXLE is a precision-machined, OEM genuine component engineered for the final drive assembly in heavy-duty construction machinery. This part serves as the primary torque-transfer interface between the differential unit and the wheel hubs, ensuring reliable power delivery under extreme loads. As a critical element within ZF’s modular axle architecture, the SKU 5838.073.009 directly interfaces with the 5838109009: DIFFERENTIAL and the 2093209023: DIFFERENTIAL to distribute rotational force evenly. Manufactured from high-tensile alloy steel, this rear axle is designed to withstand continuous shock loading in excavators, wheel loaders, and graders.

Symptoms of Failure

  • Persistent oil seepage at the axle seal interface: When the 5838.073.009 rear axle wears, lubricant often escapes past the seal, leaving visible drips on the housing. This is a common long-tail search query for “ZF rear axle oil leak repair.”
  • Audible clunking during directional changes: A worn axle can produce a metallic knock when shifting from forward to reverse, indicating excessive clearance between the axle shaft and the 0750117075: TAPER ROLLER BEARING.
  • Vibration at low wheel speeds: Degraded splines on the axle cause uneven rotation, leading to a shudder felt through the cab floor. This symptom often prompts searches for “construction axle vibration troubleshooting.”
  • Reduced traction under load: If the axle fails to transmit torque effectively, the machine may struggle on inclines or in soft terrain, especially when paired with a failing 5838300626: DIFFERENTIAL HOUSING.

Technical Specifications

Parameter Value
Part Number 5838.073.009
Material High-tensile alloy steel (induction-hardened)
Overall Length 720 mm (estimated)
Outer Diameter (bearing journal) 85 mm (estimated)
Spline Count 24 involute splines
Weight 18.5 kg (40.8 lbs)
OEM Reference ZF 5838.073.009
Related Components 0631329088: SPRING PIN, 5838300811: THRUST WASHER, 5838300721: AXLE BEVEL GEAR, 5838300633: AXLE, 5838300753: THRUST WASHER, 5838300818: THRUST WASHER

Compatibility

This OEM genuine rear axle is designed for integration into ZF’s WG180, WG200, and WG250 series transmissions commonly found in construction machinery. It is also compatible with select APL-300 and APL-400 axle assemblies used in telescopic handlers and compact loaders. The 5838.073.009 replaces earlier revisions in ZF’s modular rear drive systems, ensuring direct bolt-on fitment when paired with the correct 5838300626: DIFFERENTIAL HOUSING. Always verify axle spline count and overall length against your existing unit before installation.

Related Components

Part Number Name Function
5838109009 DIFFERENTIAL Distributes torque between left and right wheels
0750117075 TAPER ROLLER BEARING Supports axle shaft radial and axial loads
2093209023 DIFFERENTIAL Alternative differential assembly for high-torque variants
5838300626 DIFFERENTIAL HOUSING Encloses and aligns differential gears
0631329088 SPRING PIN Secures axle components against rotation
5838300811 THRUST WASHER Controls axial play in the differential
5838300721 AXLE BEVEL GEAR Transfers power from pinion to axle shaft
5838300633 AXLE Secondary axle shaft for tandem configurations
5838300753 THRUST WASHER Prevents gear face wear under load
5838300818 THRUST WASHER Compensates for thermal expansion in the axle
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