Overview
The ZF 0730.006.995 SHIM is a precision-engineered spacer component designed to establish critical axial clearances within heavy-duty ZF transmission assemblies. This OEM genuine part, identified by SKU 0730.006.995, is installed between gear sets and bearing races to maintain proper preload and gear mesh alignment. By compensating for manufacturing tolerances, this shim prevents unwanted movement of rotating elements, ensuring that power flows smoothly through the drivetrain. In construction machinery transmissions, the correct shim thickness is vital for distributing load evenly across the 5838109012: DIFFERENTIAL assembly, directly influencing the longevity of the entire gear train.
Symptoms of Failure
- Excessive axial play in the output shaft: When the shim compresses or wears unevenly, you will notice a distinct clunking sensation during acceleration or deceleration, indicating lost preload.
- Persistent oil leaks near the differential housing: A collapsed shim alters the position of the 5838300626: DIFFERENTIAL HOUSING, breaking the seal surface and allowing transmission fluid to escape.
- Gear whine under load: Incorrect shim thickness causes the 0750117075: TAPER ROLLER BEARING to operate outside its optimal contact pattern, generating a high-pitched noise that worsens as the transmission heats up.
- Premature wear on the differential side gears: A failing shim forces the 2093209023: DIFFERENTIAL to bind, accelerating tooth wear and creating metallic debris in the oil.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 0730.006.995 |
| Material | Case-hardened steel (DIN 1.7131 equivalent) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 52.5 mm |
| Thickness | 0.50 mm (selective fit) |
| Weight | 0.018 kg |
| OEM Reference | ZF 0730.006.995 |
| Surface Finish | Ground, Ra ≤ 0.8 µm |
Compatibility
This shim is engineered for ZF heavy-duty powershift transmissions commonly found in wheel loaders, graders, and telehandlers. It is a direct fit for the following ZF model series: WG180, WG200, 4WG200, 5WG200, and 6WG200. The 0730.006.995 shim is specifically used to set the end float on the output shaft differential carrier. Always verify the existing shim stack thickness during rebuild; this part is often paired with the 5838300811: THRUST WASHER to achieve precise clearance.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on the differential |
| 2093209023 | DIFFERENTIAL | Secondary differential unit for planetary axles |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears and bearings |
| 0631329088 | SPRING PIN | Secures shift fork to shift rail |
| 5838300811 | THRUST WASHER | Provides wear surface between rotating gears |
| 5838300721 | AXLE BEVEL GEAR | Transfers power from differential to axle shaft |
| 5838300633 | AXLE | Drives the final wheel hub assembly |
| 5838300753 | THRUST WASHER | Controls axial clearance in the differential case |
| 5838300818 | THRUST WASHER | Adjusts side gear backlash |
Frequently Asked Questions
Q: How do I know if I need the 0730.006.995 shim or a different thickness?
A: Measure the existing shim stack and the axial clearance using a dial indicator. The 0730.006.995 is a 0.50 mm shim; if your clearance exceeds 0.15 mm after installing a new 0750117075: TAPER ROLLER BEARING, you will need to add or subtract shims from the stack.
Q: Can I reuse this shim during a transmission rebuild?
A: No. ZF genuine shims are designed for single use. The material work-hardens under load, and reusing a shim can lead to incorrect preload and rapid failure of the 5838109012: DIFFERENTIAL.
Q: Does this shim fit the 4WG200 transmission?
A: Yes. The 0730.006.995 is a standard service part for the 4WG200, 5WG200, and 6WG200 series. It is installed between the differential carrier and the 5838300626: DIFFERENTIAL HOUSING.
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Phone: +86 158 2286 3467 |
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