Overview
Precision shims are critical for maintaining exact axial clearances within heavy-duty transmission assemblies. The ZF 0730.112.574 SHIM is an OEM genuine part designed to sit between the differential housing and bearing races, ensuring proper preload and gear mesh alignment. This specific shim, identified by SKU 0730.112.574, compensates for manufacturing tolerances and wear, preventing unwanted movement that can lead to premature component fatigue. In a ZF construction machinery transmission, this shim works directly with the 5838300626: DIFFERENTIAL HOUSING to secure the differential assembly in its correct position.
Symptoms of Failure
When the ZF 0730.112.574 shim wears or collapses, several distinct failure modes emerge. First, excessive differential end-play occurs, causing a noticeable clunking noise during acceleration or deceleration. Second, gear tooth contact pattern shifts lead to whining sounds from the axle area, especially under load. Third, premature bearing fatigue results from incorrect preload, often manifesting as vibration in the driveline. Fourth, oil contamination from metal particles may appear in the transmission fluid as the shim degrades against the 0750117075: TAPER ROLLER BEARING surfaces.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 0730.112.574 |
| Material | Hardened Spring Steel (C67S) |
| Thickness | 0.50 mm (0.0197 in) |
| Outer Diameter | 74.0 mm (2.913 in) |
| Inner Diameter | 62.0 mm (2.441 in) |
| Weight | 0.012 kg (0.026 lbs) |
| OEM Reference | ZF 0730.112.574 |
| Surface Finish | Ground, deburred edges |
Compatibility
This shim is engineered for ZF heavy-duty powershift transmissions commonly used in construction machinery. It is a direct fit for the WG180, WG200, and WG210 series. Additionally, it is found in the 4WG-200 and 5WG-180 transfer cases. The shim is installed between the 5838109012: DIFFERENTIAL and the housing to set the correct preload for the 2093209023: DIFFERENTIAL assembly. Always verify your transmission model number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports differential rotation under load |
| 2093209023 | DIFFERENTIAL | Secondary differential for multi-axle drive |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and supports differential gears |
| 0631329088 | SPRING PIN | Secures shim and gear alignment |
| 5838300811 | THRUST WASHER | Reduces axial friction on gear faces |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 5838300633 | AXLE | Drives wheel hubs from differential |
| 5838300753 | THRUST WASHER | Controls side gear end-play |
| 5838300818 | THRUST WASHER | Provides bearing surface for spider gears |
Frequently Asked Questions
Q: How do I know if my ZF 0730.112.574 shim needs replacement?
A: Measure differential backlash with a dial indicator. If end-play exceeds 0.15 mm (0.006 in), the shim has likely compressed beyond specification. Also inspect for visible scoring or uneven wear patterns on the shim face.
Q: Can I stack multiple shims to adjust clearance?
A: ZF recommends using a single shim of the correct thickness. Stacking can create uneven load distribution and cause the taper roller bearing to bind. Always replace with the exact 0730.112.574 thickness.
Q: Is this shim compatible with the ZF 4WG-310 transmission?
A: No. The 0730.112.574 is designed for WG180, WG200, and WG210 series only. For 4WG-310 applications, use shim part number 0730.112.586, which has a larger outer diameter.
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Phone: +86 158 2286 3467 |
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