Overview
The ZF 4660.103.003 OUTPUT for WG98 is a critical drivetrain component engineered to transfer rotational force from the transmission’s planetary gear set to the output shaft. Positioned at the rear of the WG 98 series housing, this OEM genuine part ensures precise torque delivery and alignment under heavy-duty loads. The SKU 4660.103.003 is manufactured to ZF’s exacting tolerances, making it a direct replacement for worn or damaged outputs in industrial and commercial vehicle applications. This component interfaces directly with the 4660101006: TRANSMISSION HOUSING and the 4660301014: HOUSING II, forming a sealed assembly that withstands high torque and thermal cycling.
Symptoms of Failure
When the ZF 4660.103.003 OUTPUT begins to degrade, operators may notice specific performance issues. Oil leaks around the output seal are a common early indicator, often caused by wear on the output surface or bearing play. Gear slipping under load can occur as the output loses its spline engagement, leading to erratic power delivery. Vibration or whining noise from the transmission tail typically signals bearing fatigue or misalignment of the output assembly. Finally, difficulty engaging or disengaging the driveline may point to a worn output that no longer maintains proper clearance with the 0631306174: CYLINDRICAL PIN used for alignment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4660.103.003 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 1.85 kg (4.08 lbs) |
| Outer Diameter | 98 mm |
| Overall Length | 142 mm |
| Spline Count | 24 (involute) |
| OEM Reference | ZF 4660.103.003 |
| Surface Finish | Black oxide coated |
Compatibility
This genuine ZF output is designed for the WG 98 series of powershift transmissions, commonly used in construction, mining, and agricultural machinery. It is a direct fit for models including WG180, WG200, WG210, and WG240 when configured with the appropriate output housing. The part also integrates with the 0769123894: TYPE PLATE for identification and the 0750100022: SCREW PLUG for oil retention. Always verify your transmission’s serial number against the WG98 series parts list to ensure correct fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660101006 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 4660301014 | HOUSING II | Secondary housing for output bearing and seal |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for housing-to-output positioning |
| 0769123894 | TYPE PLATE | Identification tag with transmission model and serial |
| 0750100022 | SCREW PLUG | Seals oil passages in the output area |
| 4660221013 | TUBE | Oil feed tube for lubrication of output bearings |
| 0634100317 | O-RING | Static seal between housing and output flange |
| 0636103273 | CAP SCREW | Fastener for securing output to shaft |
| 0634306311 | O-RING | Dynamic seal for output shaft bore |
| 4660321029 | FIXING PLATE | Retains output bearing in housing |
