Overview
The ZF 0730.109.381 SHIM is a precision-engineered spacer component designed to establish critical axial clearances within ZF heavy-duty transmission assemblies. Positioned between the differential housing and bearing races, this OEM genuine shim compensates for manufacturing tolerances and wear, ensuring correct gear mesh and load distribution. The SKU 0730.109.381 is specifically calibrated for use in construction machinery transmissions, where even micron-level misalignment can lead to premature component fatigue. This shim works in concert with the 5838109012: DIFFERENTIAL to maintain optimal preload on the ring gear assembly.
Symptoms of Failure
- Transmission whine under load: A high-pitched noise during acceleration indicates the shim has compressed beyond tolerance, altering gear backlash.
- Oil seepage at axle flanges: Worn shims allow the 5838300626: DIFFERENTIAL HOUSING to shift, breaking the seal between mating surfaces.
- Intermittent gear slipping: When the shim loses thickness, the 0750117075: TAPER ROLLER BEARING loses preload, causing momentary torque loss during gear changes.
- Vibration in the driveline: Uneven shim wear creates axial play that resonates through the 2093209023: DIFFERENTIAL assembly, felt as low-frequency shuddering.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.109.381 |
| Material | Case-hardened steel (DIN 1.7131) |
| Thickness | 2.50 mm ± 0.02 mm |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.0 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.109.381 |
Compatibility
This shim is engineered for ZF heavy-duty powershift transmissions commonly used in wheel loaders, graders, and excavators. It is a direct fit for the WG180, WG200, and WG210 series, as well as the 4WG-200 and 5WG-210 variants. The part also applies to select ERGO series transmissions found in compact construction machinery. Always verify clearance requirements using the service manual for your specific transmission model.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on the differential shaft |
| 2093209023 | DIFFERENTIAL | Secondary differential for planetary gear stages |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and supports differential gears |
| 0631329088 | SPRING PIN | Secures shim and gear alignment during assembly |
| 5838300811 | THRUST WASHER | Reduces axial friction between rotating components |
| 5838300721 | AXLE BEVEL GEAR | Transfers power from differential to axle shafts |
| 5838300633 | AXLE | Transmits rotational force to wheel hubs |
| 5838300753 | THRUST WASHER | Controls end-play in the differential carrier |
| 5838300818 | THRUST WASHER | Provides wear surface for planetary gear thrust faces |
Frequently Asked Questions
Q: Can I reuse the 0730.109.381 shim during a rebuild?
A: No. ZF shims are single-use components because they compress and conform during initial torque application. Reusing a shim risks incorrect preload and accelerated bearing wear.
Q: How do I know if I need a thicker or thinner shim?
A: Measure the axial play after installing the differential and bearing. If play exceeds 0.10 mm, select a shim 0.05 mm thicker. If the assembly binds, use a shim 0.05 mm thinner.
Q: Is this shim compatible with aftermarket differential housings?
A: The shim is designed for OEM ZF housings. Aftermarket housings may have different casting tolerances; always measure clearance before final assembly.
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Phone: +86 158 2286 3467 |
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