Overview
Precision axial clearance is critical for the longevity of any ZF off-highway transmission. The ZF 0730.006.048 SHIM serves as a calibrated spacer within the WG160, WG190, WG200, and WG210 series gearboxes, ensuring correct preload on bearing assemblies and shaft end-play. This OEM genuine part, identified by SKU 0730.006.048, sits directly between the housing and the bearing race, compensating for manufacturing tolerances to maintain optimal gear mesh alignment. When paired with a new 4460165051: CONSOLE or a 4460368311: CONSOLE, this shim guarantees that the rotating assembly operates within factory tolerances, preventing premature wear on adjacent hard parts.
Symptoms of Failure
When the 0730.006.048 shim collapses or corrodes, several distinct failure modes emerge. First, excessive axial play in the output shaft becomes detectable during routine maintenance checks, often accompanied by a dull thud when the driveline is rocked. Second, intermittent gear disengagement under load occurs as the bearing preload relaxes, allowing the gear cluster to walk out of its intended mesh. Third, low-frequency vibration at cruising speeds develops from uneven bearing contact, which can be mistaken for driveline imbalance. Fourth, fine metallic debris in the oil filter signals that the shim has worn through its surface coating, allowing steel-on-steel contact between the bearing and housing.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.006.048 |
| Material | Case-hardened spring steel (DIN 1.3505 equivalent) |
| Thickness | 0.48 mm (nominal) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 52.5 mm |
| Weight | 12 grams |
| Surface Finish | Phosphate coated for corrosion resistance |
| OEM Reference | ZF 0730.006.048 |
Compatibility
This shim is engineered for the ZF WG series powershift transmissions used in wheel loaders, graders, and industrial tractors. It is a direct fit for the WG160, WG190, WG200, and WG210 models. The part is also compatible with certain WG180 variants that share the same output shaft bearing journal. Always verify the stack height during rebuild; the shim is often used in conjunction with a 0636011429: HEXAGON SCREW and a 0730100365: WASHER to secure the console assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460165051 | CONSOLE | Houses the shift fork assembly |
| 4460368311 | CONSOLE | Alternate casting for high-torque applications |
| 0636011429 | HEXAGON SCREW | M10 x 30 mm fastener for console retention |
| 0730100365 | WASHER | Flat washer for load distribution under screw head |
| 4644105418 | DISCONNECTION | Clutch pack disconnect valve |
| 4644305041 | ADAPTER | Converts port size for hydraulic lines |
| 4460068159 | AXLE DRIVE | Final drive gear set for WG200 |
| 4460168651 | INPUT FLANGE | Couples transmission to torque converter |
| 4460368318 | FLANGE | Output flange for driveline connection |
| 4460368317 | DUST PROTECTION | Rubber boot for input shaft seal |
Frequently Asked Questions
Q: Can I reuse the 0730.006.048 shim during a rebuild?
A: No. This is a crush-type shim that deforms plastically during initial torque-down. Always replace it with a new OEM shim to maintain correct bearing preload.
Q: How do I measure the correct shim thickness for my WG200?
A: Use a depth micrometer to measure the bearing bore depth, then subtract the bearing height. The difference should match the shim thickness within ±0.02 mm. If not, select the next available shim size from the ZF range.
Q: Will this shim work with the WG210 planetary carrier?
A: Yes, the 0730.006.048 is dimensionally identical for the WG210 carrier bearing journal. However, verify that your specific transmission uses the 0.48 mm stack; some late-model units require a 0.50 mm shim.
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