Overview
The ZF 0730.113.970 SHIM is a precision-engineered OEM genuine component designed to establish critical axial clearances within ZF heavy-duty transmission assemblies. This thin, hardened steel spacer sits between the transmission housing and rotating gear sets, ensuring correct preload and alignment for optimal power flow. The SKU 0730.113.970 is a factory-specified shim that compensates for manufacturing tolerances, preventing unwanted movement that can lead to premature wear. When installed alongside the 4695101002: HOUSING and the 4695301021: HOUSING, this shim guarantees that all internal components maintain their exact operating positions under load.
Symptoms of Failure
- Excessive axial play or gear clatter – When the 0730.113.970 shim compresses or wears, you may notice a distinct knocking sound from the transmission housing during acceleration or deceleration.
- Intermittent gear slipping under load – A worn shim allows the gear stack to shift, causing momentary loss of torque transfer, particularly in construction machinery operating on inclines.
- Oil contamination from metal debris – As the shim surface degrades, fine metallic particles enter the lubrication system, often visible during routine oil changes as a silver sheen.
- Hard shifting or gear engagement delay – Incorrect clearance from a collapsed shim can cause synchronizer assemblies to bind, leading to rough engagement in forward and reverse gears.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0730.113.970 |
| Material | Case-hardened spring steel (DIN 1.3505 equivalent) |
| Thickness | 0.50 mm (nominal, selectable tolerance class) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.0 mm |
| Weight | 12 grams |
| OEM Reference | ZF 0730.113.970 |
| Surface Finish | Ground, Ra ≤ 0.8 µm |
Compatibility
This shim is engineered for ZF powershift transmissions commonly used in construction machinery, specifically the WG180, WG200, and WG210 series. It also applies to select 4WG-180 and 4WG-200 variants found in wheel loaders, graders, and dozers. The 0730.113.970 shim is frequently replaced during a full rebuild when the 4695301022: COVER is removed for bearing inspection. Always verify clearance with the 0634801038: SEALING RING to prevent oil bypass around the shaft.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4695101002 | HOUSING | Main transmission casing, supports gear train |
| 4695301021 | HOUSING | Intermediate housing for clutch pack assembly |
| 4695301022 | COVER | End cover sealing the transmission cavity |
| 0634801038 | SEALING RING | Static seal preventing oil leaks at housing joints |
| 4695301023 | SCREW PLUG | Magnetic drain plug for debris collection |
| 4695301024 | SCREW PLUG | Non-magnetic fill plug with sealing washer |
| 0637885612 | BREATHER | Pressure relief valve for transmission venting |
| 0636100690 | CAP SCREW | High-tensile bolt for housing flange retention |
| 0634100309 | O-RING | Elastomeric seal for hydraulic line connections |
| 0730365801 | TYPE PLATE | Identification plate with serial number |
