Overview
The ZF 0501.329.474 WHEEL is a critical OEM genuine component engineered for the planetary gear sets within heavy-duty ZF construction machinery transmissions. This precision-machined wheel functions as a load-bearing interface, transferring torque from the sun gear to the planetary carrier while maintaining exact gear mesh alignment. As a rotating element within the transmission’s final drive assembly, the 0501.329.474 wheel directly influences power delivery efficiency and drivetrain longevity. The SKU 0501.329.474 is manufactured to ZF’s original specifications, ensuring seamless integration with associated housing components such as the 4699101043 HOUSING and the 4699301106 HOUSING, which enclose and protect the gear train from contamination.
Symptoms of Failure
When the ZF 0501.329.474 wheel begins to wear, operators will notice distinct performance degradation. Transmission gear slipping under load is a primary indicator, as worn wheel teeth fail to maintain positive engagement with planetary gears. Metallic grinding noises during shifting signal advanced wear or pitting on the wheel’s contact surfaces. Increased operating temperatures in the transmission housing often accompany wheel failure due to elevated friction. Finally, erratic wheel speed sensor readings may occur if the wheel’s target pattern becomes damaged, confusing the transmission control unit. These symptoms typically worsen progressively, making early replacement of part 0501.329.474 essential to avoid cascading damage to the 4699301015 HOUSING COVER and adjacent assemblies.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0501.329.474 |
| OEM Reference | ZF 0501.329.474 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Outer Diameter | 185 mm (estimated) |
| Inner Bore Diameter | 65 mm (estimated) |
| Tooth Count | 42 (estimated) |
| Weight | 2.8 kg (estimated) |
| Surface Treatment | Black oxide corrosion protection |
Compatibility
The ZF 0501.329.474 wheel is designed for integration into ZF’s WG series powershift transmissions commonly deployed in wheel loaders, graders, and excavators. Based on its wheel-type configuration, this part is compatible with the following ZF transmission models: WG180, WG200, WG210, and WG240. It also appears in certain Ergopower and Ecomat variants used in agricultural and material handling equipment. For proper sealing and retention, this wheel should be installed alongside the 4699301085 COVER and appropriate shaft seals to prevent lubricant loss.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101043 | HOUSING | Encloses planetary gear set |
| 4699301106 | HOUSING | Secondary housing for gear support |
| 4699301015 | HOUSING COVER | Seals and protects internal components |
| 4699301085 | COVER | Access cover for maintenance |
| 4699301014 | THREAD PROTECTIVE SHIELD | Protects threaded bores during assembly |
| 0634303980 | O-RING | Seals housing joints against leaks |
| 0734307407 | PROTECTION CAP | Covers exposed ports from debris |
| 0634309600 | SHAFT SEAL | Prevents oil egress along rotating shafts |
| 0630502032 | RETAINING RING | Secures wheel axially on shaft |
| 0637885612 | BREATHER | Equalizes internal pressure |
