Overview
The ZF 0630.513.065 SNAP RING is a precision-engineered retaining component designed for axial fixation within heavy-duty ZF transmission assemblies. This OEM genuine part secures critical rotating elements, such as gear sets and bearing packs, against the housing bore in construction machinery transmissions. Positioned internally within the gear train, the snap ring prevents lateral displacement under high torque loads. The SKU 0630.513.065 is a direct replacement for factory-installed rings, ensuring exact fitment and load distribution. When paired with a new 4699101080: HOUSING, this snap ring maintains the structural integrity of the clutch pack assembly.
Symptoms of Failure
- Transmission oil leaks at the housing seam: A worn or fatigued snap ring can allow the 0501329881: HOUSING COVER to shift, breaking the seal and causing external fluid loss.
- Gear slipping under load: If the snap ring loses tension, internal components can migrate axially, reducing clutch engagement pressure and causing intermittent slipping.
- Metallic rattling from the bell housing: A fractured snap ring permits loose bearing races to vibrate against the housing, producing a distinct chatter during idle or low-speed operation.
- Hard shifting or delayed engagement: Axial play from a deformed snap ring misaligns the shift rail, leading to rough gear changes or failure to engage a specific range.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0630.513.065 |
| Type | Internal Snap Ring (Circlip) |
| Material | Spring Steel (DIN 17222, C67S) |
| Nominal Diameter (ID) | 65 mm |
| Cross-Section Thickness | 2.5 mm |
| Weight | Approx. 8 grams |
| Surface Finish | Phosphate-coated (anti-corrosion) |
| OEM Reference | ZF 0630.513.065 |
| Installation Torque (adjacent plug) | N/A (press-fit only) |
Compatibility
This snap ring is dimensionally compatible with ZF WG series transmissions commonly used in wheel loaders and telehandlers. It fits the following models: WG180, WG200, WG210, and WG250. It also applies to select ErgoPower (Ecomat) variants where the internal retaining groove matches a 65 mm bore. Always verify the groove width and housing bore before installation. For complete sealing, replace the 0634306309: O-RING and inspect the 0637885612: BREATHER for contamination during reassembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101080 | HOUSING | Main transmission casing that retains the snap ring groove |
| 0501329881 | HOUSING COVER | Seals the housing and provides axial support for the snap ring |
| 0634306309 | O-RING | Prevents oil bypass at the cover-to-housing interface |
| 0637885612 | BREATHER | Equalizes internal pressure to reduce stress on retaining rings |
| 0501319149 | SCREW PLUG | Seals access ports near the snap ring groove |
| 0636302022 | SCREW PLUG | Secondary plug for drain/fill points in the housing |
| 0634801038 | SEALING RING | Copper washer for plug sealing under high vibration |
| 0730365801 | TYPE PLATE | Identification plate riveted to the housing |
| 4699102083 | INPUT | Input shaft assembly retained by the snap ring |
| 4699302013 | DRIVE PINION | First-stage gear that meshes with the input shaft |
