Overview
The ZF 0630.513.098 SNAP RING is a precision-engineered OEM genuine retaining ring designed for critical axial positioning within heavy-duty construction machinery transmissions. This snap ring, identified by SKU 0630.513.098, seats securely in a machined groove on the output shaft or differential carrier assembly, preventing lateral movement of gears, bearings, and thrust washers under extreme torque loads. As a genuine ZF component, it ensures exact fitment and material hardness to withstand the high-vibration environments found in wheel loaders, excavators, and graders. When installed alongside the 5838109012: DIFFERENTIAL, this snap ring maintains proper gear mesh alignment, directly influencing drivetrain longevity.
Symptoms of Failure
- Transmission gear slipping under load: A worn or fatigued snap ring allows axial play in the shaft assembly, causing gears to disengage momentarily during heavy digging or hauling operations.
- Metallic rattling noise from differential area: When the 0630.513.098 loses its spring tension, loose components like the 0750117075: TAPER ROLLER BEARING can shift, producing a distinct clattering sound at low RPM.
- Premature bearing or gear wear: A failed snap ring permits excessive end float, accelerating wear on adjacent components such as the 2093209023: DIFFERENTIAL assembly and its internal pinion gears.
- Oil contamination from metal debris: As the snap ring fractures, small steel fragments circulate through the transmission fluid, often visible during routine oil sampling.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 0630.513.098 |
| Material | Spring steel (DIN 17222 / SAE 1074) |
| Nominal Diameter (Inner) | 98.0 mm |
| Cross-Section Thickness | 3.5 mm |
| Groove Width Requirement | 3.6 mm |
| Static Load Capacity | 12,500 N (estimated) |
| Weight | 0.045 kg |
| OEM Reference | ZF 0630.513.098 (Genuine) |
| Surface Finish | Phosphate coated / oiled |
Compatibility
This genuine ZF snap ring is primarily specified for use in the WG180, WG200, and WG310 series powershift transmissions commonly deployed in construction machinery. It also fits select variants of the ZF 4WG-180 and 4WG-200 transfer cases. The 0630.513.098 is a direct replacement for the retaining ring found on the differential output shaft, where it works in conjunction with the 5838300626: DIFFERENTIAL HOUSING to secure the internal gear stack. Always verify groove dimensions before installation, as aftermarket housings may have non-standard tolerances.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between axles; houses side gears |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on shaft ends |
| 2093209023 | DIFFERENTIAL | Complete differential assembly for heavy loads |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears; provides mounting points |
| 0631329088 | SPRING PIN | Locks shift forks and linkage pins |
| 5838300811 | THRUST WASHER | Reduces axial friction between rotating gears |
| 5838300721 | AXLE BEVEL GEAR | Transfers power at 90° to wheel axles |
| 5838300633 | AXLE | Driveshaft component connecting differential to wheels |
| 5838300753 | THRUST WASHER | Prevents gear-to-housing contact under load |
| 5838300818 | THRUST WASHER | Controls end play in differential side gears |
Frequently Asked Questions
Q: Can I reuse the old snap ring if it looks intact?
No. ZF snap rings lose spring tension after one removal. Always replace with a new 0630.513.098 to prevent sudden failure during operation.
Q: Does this snap ring fit the WG180 transmission?
Yes. The 0630.513.098 is a standard retaining ring for the differential output shaft in WG180 and WG200 series transmissions used in construction machinery.
Q: What tools are needed for installation?
Use internal snap ring pliers with 90° tips. Ensure the ring fully seats in the groove; a gap check with a feeler gauge confirms correct installation.
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Phone: +86 158 2286 3467 |
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