Overview
The ZF 0730.060.323 SPACER RING is a precision-engineered shim component designed for the WG 65 Series transmission family. This OEM genuine part establishes the critical axial clearance between rotating assemblies and stationary housings within the gear train. Installed directly against the 4616105402: OUTPUT shaft assembly, the spacer ring ensures correct preload on bearings and maintains proper gear mesh alignment. The SKU 0730.060.323 is manufactured to ZF’s exacting tolerances, guaranteeing consistent performance in heavy-duty industrial applications where even micron-level deviations can cause premature wear.
Symptoms of Failure
When the ZF 0730.060.323 spacer ring degrades or becomes damaged, operators will notice specific operational issues. Excessive axial play in the output shaft is the most common indicator, often felt as a clunking sensation during load changes. Low-frequency gear whine from the WG65 housing typically accompanies this wear, particularly under deceleration. Premature seal failure at the output flange interface occurs because the spacer ring no longer maintains proper bearing preload, allowing shaft movement that compromises the 4005303005: OUTPUT FLANGE seal. In advanced cases, intermittent gear slipping under heavy torque will manifest as the gear train loses its precise positional relationship.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0730.060.323 |
| Inner Diameter | 60.0 mm |
| Outer Diameter | 73.0 mm |
| Thickness | 3.0 mm |
| Material | Case-hardened steel (16MnCr5) |
| Surface Hardness | 58-62 HRC |
| Weight | 0.042 kg |
| OEM Reference | ZF 0730.060.323 |
Compatibility
This spacer ring is specifically engineered for the ZF WG65 series, but its dimensional profile also suits several related transmission models. Verified compatible units include the WG65, WG80, and WG100 series where the output shaft diameter matches 60 mm. The part integrates directly with the 4616101119: TRANSMISSION HOUSING bore, and is secured in place using the 0636011038: HEXAGON SCREW during assembly. Always verify the axial stack-up height before installation, as this ring compensates for cumulative tolerances in the gear train.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616105402 | OUTPUT | Transfers torque from planetary gearset to output flange |
| 4005303005 | OUTPUT FLANGE | Connects transmission to driveshaft with sealed interface |
| 4616101119 | TRANSMISSION HOUSING | Main structural casing containing all rotating components |
| 0636011038 | HEXAGON SCREW | M10 fastener securing spacer ring and bearing retainer |
| 0636011118 | HEXAGON SCREW | M12 fastener for output flange attachment |
| 0636016015 | HEXAGON SCREW | M8 fastener for housing cover plate |
| 0631306085 | CYLINDRICAL PIN | Alignment dowel for precise housing positioning |
| 0634313118 | O-RING | Static seal between housing and output flange |
| 0636304019 | SCREW PLUG | M18 magnetic drain plug for oil pan |
| 0634801152 | SEALING RING | Copper crush washer for drain plug sealing |
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
