Overview
The ZF 2093.298.073 FRONT WHEEL DRIVE is a critical power transfer component engineered for heavy-duty construction machinery. This OEM genuine part serves as the primary output assembly that directs torque from the transmission to the front axle, enabling four-wheel drive functionality in demanding off-road environments. Positioned within the final drive housing of ZF modular transmissions, the 2093.298.073 unit integrates directly with the differential system to distribute rotational force evenly. The SKU 2093.298.073 is precision-machined to OEM tolerances, ensuring seamless engagement and load distribution during high-stress operations such as grading, loading, and earthmoving.
Symptoms of Failure
- Front axle torque loss during heavy loads — When the 2093.298.073 unit wears, operators notice a distinct reduction in pulling power at the front wheels, especially when climbing slopes or pushing material. This often manifests as a “slipping” sensation under acceleration.
- Oil seepage around the front drive housing — Degraded seals within the assembly cause hydraulic fluid to leak past the shaft, leaving visible drips or wet patches on the differential housing. This symptom is frequently reported alongside worn 0750117075 TAPER ROLLER BEARING components.
- Metallic grinding noise during turns — Worn gear teeth or damaged bearings inside the front wheel drive produce a distinct grinding or whining sound when the machine executes tight-radius turns, indicating internal clearance issues.
- Vibration through the steering wheel — Excessive play in the drive shaft or differential coupling causes noticeable vibration at speeds above 10 km/h, often accompanied by intermittent engagement of the front axle.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.298.073 |
| Product Type | Front Wheel Drive Assembly |
| Material | High-tensile alloy steel (case-hardened) |
| Weight | 18.4 kg (40.6 lbs) |
| Overall Length | 312 mm |
| Flange Diameter | 168 mm |
| Spline Count | 24-tooth internal spline |
| OEM Reference | ZF 2093.298.073 |
| Operating Torque Range | 2,800–4,200 Nm |
Compatibility
This genuine ZF 2093.298.073 front wheel drive is designed for integration with the WG180, WG200, and WG210 series power shift transmissions commonly deployed in wheel loaders, telehandlers, and graders. It directly interfaces with the 2093109001 DIFFERENTIAL and the 2093209095 DIFFERENTIAL to manage torque split. The assembly mounts securely within the 2093309071 DIFF.HOUSING, which provides structural support and alignment for the entire front drive system. Always verify your transmission model and housing configuration before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109001 | DIFFERENTIAL | Distributes torque between front wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on drive shaft |
| 2093209095 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309071 | DIFF.HOUSING | Encloses and aligns differential gears |
| 0631100223 | SPRING PIN | Secures gear alignment within assembly |
| 0730300820 | THRUST WASHER | Reduces axial friction between rotating parts |
| 4482360002 | AXLE BEVEL GEAR | Transfers power at 90-degree angle to axle |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hub |
| 5838300811 | THRUST WASHER | Prevents gear end-play in differential |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Drives side gears within differential carrier |
Frequently Asked Questions
Q: How do I know if the 2093.298.073 front wheel drive is failing?
A: Look for three primary indicators: visible oil leaks near the front axle housing, a grinding noise when turning at low speeds, and a noticeable loss of traction or vibration during forward operation. These symptoms often appear together as the internal bearings and seals degrade.
Q: Can I replace the 2093.298.073 without removing the entire transmission?
A: Yes, this front wheel drive assembly is serviceable as a standalone unit. You will need to drain the differential oil, disconnect the drive shaft, and unbolt the housing from the transmission flange. Always replace the 0750117075 TAPER ROLLER BEARING simultaneously to ensure proper preload and alignment.
Q: Is the 2093.298.073 compatible with the WG180 transmission?
A: Yes, it is fully compatible with WG180, WG200, and WG210 series transmissions. However, you must verify the housing bolt pattern and spline count match your specific unit. The 2093309071 DIFF.HOUSING must be inspected for wear before installation to guarantee a proper seal.
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