Overview
The ZF 0630.513.169 SNAP RING is a critical OEM genuine retaining component engineered for heavy-duty construction machinery transmissions. This precision-formed snap ring secures internal assemblies within the gear train, preventing axial displacement of shafts and bearing packs under extreme torque loads. Specifically designed for ZF powershift transmissions, the SKU 0630.513.169 fits into machined grooves on the 2094101014: TRANSMISSION HOUSING and adjacent 2094301046: HOUSING components, ensuring that planetary gear sets remain properly indexed during operation. Without this snap ring, the entire drivetrain risks catastrophic misalignment.
Symptoms of Failure
- Transmission oil leaks at housing seams: A worn or fractured snap ring allows the 2094298053: HOUSING to shift, breaking the seal against the 0630361034: SEALING CAP and causing fluid loss.
- Gear slipping under load: When the snap ring loses tension, shafts can walk axially, disengaging clutch packs and producing intermittent power loss.
- Metallic grinding noises from the transmission: A broken snap ring fragment can circulate through the oil, scoring gears and bearings.
- Hard shifting or delayed engagement: Axial play from a fatigued snap ring alters shift timing, especially in low-range gears.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0630.513.169 |
| Type | Internal Snap Ring (Circlip) |
| Material | Spring Steel (DIN 17223, C67S) |
| Surface Finish | Phosphate Coated / Oiled |
| Nominal Diameter (Inner) | 130 mm (estimated) |
| Cross Section (Width x Thickness) | 4.0 mm x 2.5 mm (estimated) |
| Weight | 0.025 kg |
| OEM Reference | ZF 0630.513.169 |
Compatibility
This snap ring is primarily used in ZF WG180, WG200, and WG210 series powershift transmissions found in wheel loaders, graders, and dozers. It also appears in certain ZF 4WG-200 and 6WG-200 variants. Always verify groove dimensions against the 2094301071: COVER and 2094301030: GASKET surfaces during installation. For shaft sealing applications, pair this snap ring with the 0750111371: SHAFT SEAL to prevent debris ingress. The 0634303085: O-RING and 0631306670: CYLINDRICAL PIN are often replaced simultaneously during overhaul. Secure the assembly using the 0636011356: HEXAGON SCREW.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101014 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 2094301046 | HOUSING | Intermediate housing for clutch packs |
| 2094298053 | HOUSING | Rear housing supporting output shaft |
| 0630361034 | SEALING CAP | Prevents oil leakage at housing end |
| 2094301071 | COVER | Access cover for valve body inspection |
| 2094301030 | GASKET | Seals housing-to-cover interface |
| 0750111371 | SHAFT SEAL | Rotary seal for input/output shafts |
| 0634303085 | O-RING | Static seal for hydraulic passages |
| 0631306670 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636011356 | HEXAGON SCREW | Fastener for housing bolting |
