Overview
The ZF 0730.150.555 SHIM is a precision-engineered OEM genuine part designed for critical axial clearance adjustment within ZF heavy-duty powershift transmissions. This thin, hardened steel component sits between the transmission housing and bearing assemblies, ensuring correct preload and gear alignment during operation. The SKU 0730.150.555 is specifically utilized in construction machinery applications, where it maintains the exact spacing required to prevent internal component wear. When installed alongside the 2094101012: TRANSMISSION HOUSING and the 2094301036: HOUSING, this shim guarantees that rotating elements remain within factory tolerances, reducing vibration and extending transmission life.
Symptoms of Failure
- Excessive gear backlash and clunking noises – When the shim wears or compresses beyond specification, axial play increases, causing audible knocking during gear engagement or load changes.
- Premature bearing failure – Incorrect shim thickness leads to improper bearing preload, resulting in overheating, pitting, or seizure of roller elements.
- Oil leaks from housing joints – A collapsed or missing shim can distort the 2094298057: HOUSING interface, creating gaps that allow transmission fluid to escape past seals.
- Intermittent gear slipping under load – Loss of axial control causes clutch packs to misalign, leading to momentary power loss during heavy digging or lifting operations.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.150.555 |
| Material | Hardened spring steel (C67S or equivalent) |
| Thickness | 0.50 mm (nominal) |
| Outer Diameter | 150 mm |
| Inner Diameter | 120 mm |
| Weight | 0.045 kg |
| Surface Finish | Ground, deburred edges |
| OEM Reference | ZF 0730.150.555 |
Compatibility
This shim is primarily specified for ZF WG180, WG200, and WG210 series powershift transmissions commonly found in wheel loaders, excavators, and telehandlers. It also applies to certain ZF 4WG-200 and 6WG-200 variants used in construction machinery. Always verify clearance requirements against the service manual, as shim stacks may vary. For complete housing assembly, pair this part with the 2094301071: COVER to seal the bearing cavity.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101012 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 2094301036 | HOUSING | Intermediate housing for bearing retention |
| 2094298057 | HOUSING | Rear housing section for output shaft |
| 2094301071 | COVER | End cover sealing the transmission cavity |
| 0750111371 | SHAFT SEAL | Prevents oil leakage at rotating shafts |
| 0634303085 | O-RING | Static seal for housing flanges |
| 2094301030 | GASKET | Paper gasket for oil-tight joints |
| 0631306670 | CYLINDRICAL PIN | Alignment dowel for housing positioning |
| 0636011356 | HEXAGON SCREW | Fastener for housing assembly |
| 4475280060 | SCREW PLUG | Threaded plug for oil passages |
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