Overview
The ZF 4660.306.110 DUCT PLATE is a precision-engineered internal component designed specifically for the WG 98 transmission series. This OEM genuine part functions as a critical flow director within the transmission housing, channeling hydraulic fluid to ensure proper lubrication and cooling of planetary gear sets. Positioned between the main 4660101015: TRANSMISSION HOUSING and the secondary 4660301054: HOUSING II, the duct plate prevents fluid cross-contamination and maintains consistent pressure across the valve body. The SKU 4660.306.110 is manufactured to ZF’s exacting tolerances, guaranteeing a leak-proof seal and optimal hydraulic performance in heavy-duty industrial applications.
Symptoms of Failure
When the ZF 4660.306.110 DUCT PLATE begins to degrade, operators often notice specific operational issues. Oil leaks around the transmission housing interface are a primary indicator, as a warped or cracked duct plate cannot maintain a proper seal. Erratic gear engagement or slipping under load occurs when fluid flow is disrupted, starving clutch packs of necessary hydraulic pressure. Overheating of the transmission fluid is another common symptom, as restricted oil pathways reduce cooling efficiency. Finally, unusual whining or grinding noises from the gear train may signal that the duct plate has failed, allowing debris to circulate through the hydraulic system.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4660.306.110 |
| Material | High-strength aluminum alloy with corrosion-resistant coating |
| Dimensions (L x W x H) | 210 mm x 85 mm x 12 mm |
| Weight | 0.45 kg (1.0 lb) |
| OEM Reference | ZF 4660.306.110 |
| Sealing Surface Finish | Ra 0.8 µm |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This duct plate is engineered for the ZF WG 98 series, but its design also supports several related heavy-duty transmission models. It is directly compatible with the WG180, WG200, and WG250 transmissions used in construction and agricultural machinery. The part interfaces seamlessly with the 0631306174: CYLINDRICAL PIN for alignment and the 0769123894: TYPE PLATE for identification. Always verify your transmission serial number against ZF’s OEM catalog to ensure exact fitment for your specific WG98 variant.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660101015 | TRANSMISSION HOUSING | Main structural casing for gear and shaft assembly |
| 4660301054 | HOUSING II | Secondary housing covering the clutch pack area |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for precise component positioning |
| 0769123894 | TYPE PLATE | Identification plate with transmission model details |
| 0750100022 | SCREW PLUG | Seals fluid passages during maintenance |
| 4660221029 | SUCTION TUBE | Draws fluid from the sump to the pump |
| 0634100317 | O-RING | Static seal for housing interfaces |
| 0636103273 | CAP SCREW | Fastener for securing the duct plate |
| 0634306311 | O-RING | Dynamic seal for rotating shafts |
| 4660321029 | FIXING PLATE | Retains duct plate in position under vibration |
