Overview
The ZF 2093.309.060 CROWN WHEEL is a critical final-drive component engineered to transfer torque from the differential assembly to the axle shafts in heavy-duty construction machinery transmissions. As an OEM genuine part, it ensures precise meshing with the pinion gear to deliver smooth power delivery under extreme loads. The SKU 2093.309.060 is specifically designed for ZF’s planetary gear systems, where it sits directly within the differential housing and interfaces with the 2093109027: DIFFERENTIAL to manage rotational forces. This crown wheel is manufactured from case-hardened alloy steel to withstand the high stress cycles common in excavators and wheel loaders.
Symptoms of Failure
When the ZF 2093.309.060 crown wheel begins to fail, operators often notice grinding noises during turns—a clear sign of tooth surface wear. Another common symptom is intermittent gear slipping under load, which can be mistaken for clutch issues but originates in the final drive. You may also detect metal particles in the transmission oil during routine changes, indicating spalling on the crown wheel teeth. Finally, vibration in the drive axle at low speeds frequently points to uneven wear between this crown wheel and its mating pinion.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 2093.309.060 |
| Outer Diameter | ~320 mm (estimated) |
| Number of Teeth | 41 (estimated) |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | ~8.5 kg (18.7 lbs) |
| OEM Reference | ZF 2093.309.060 |
| Mounting Type | Bolt-on to differential carrier |
Compatibility
This crown wheel is primarily used in ZF’s WG series powershift transmissions, specifically the WG180 and WG200 models found in construction machinery. It also fits select WG150 and WG250 variants when paired with the correct 0750117075: TAPER ROLLER BEARING for axial support. For optimal performance, this part should be installed alongside the 2093209095: DIFFERENTIAL and the 2093309071: DIFF.HOUSING to ensure correct gear mesh alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109027 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports crown wheel axial loads |
| 2093209095 | DIFFERENTIAL | Secondary differential unit |
| 2093309071 | DIFF.HOUSING | Encloses differential assembly |
| 0631100223 | SPRING PIN | Secures gear alignment |
| 0730300820 | THRUST WASHER | Reduces axial friction |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheels |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hub |
| 5838300811 | THRUST WASHER | Controls gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with crown wheel |
Frequently Asked Questions
Q: Can the ZF 2093.309.060 crown wheel be replaced without removing the entire transmission?
A: Yes, in most WG180 and WG200 models, the crown wheel can be accessed by removing the axle housing cover and differential carrier, though professional disassembly of the 2093309071: DIFF.HOUSING is recommended.
Q: What is the typical lifespan of this crown wheel under normal operating conditions?
A: With proper lubrication and no contamination, the 2093.309.060 crown wheel typically lasts 6,000–8,000 hours in construction machinery, though this can vary with load cycles and maintenance intervals.
Q: Should I replace the taper roller bearing when installing a new crown wheel?
A: Absolutely. It is best practice to install a new 0750117075: TAPER ROLLER BEARING simultaneously to ensure proper preload and prevent premature wear on the new crown wheel teeth.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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