Overview
The ZF 4695.102.001 INPUT is a critical OEM genuine component designed for the high-torque input section of heavy-duty ZF powershift transmissions. This part serves as the primary power intake point, transferring rotational force from the engine or torque converter directly into the transmission gear train. Precision-machined to exact factory tolerances, the SKU 4695.102.001 ensures minimal power loss and consistent engagement under extreme loads. It integrates seamlessly with the 4695101002: HOUSING and the 4695301021: HOUSING to form a sealed, high-pressure input assembly. Without this genuine input part, the entire drivetrain cannot maintain proper alignment or torque transfer.
Symptoms of Failure
When the ZF 4695.102.001 INPUT begins to wear, operators will notice distinct performance degradation. Oil leaks at the input shaft seal are the most common early indicator, often caused by bearing play within the input assembly. Gear slipping under load occurs when the input splines or bearing surfaces become worn, preventing full torque delivery to the clutch packs. A third symptom is abnormal vibration or whining noise from the bell housing area, which worsens during acceleration. Finally, difficulty engaging forward or reverse gears can signal that the input shaft is no longer concentric with the 4695301022: COVER, leading to binding and premature wear of the 0634801038: SEALING RING.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4695.102.001 |
| OEM Reference | ZF 4695.102.001 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 285 mm |
| Shaft Diameter | 45 mm (bearing journal) |
| Spline Count | 14-tooth involute spline |
| Weight | 3.2 kg (7.05 lbs) |
| Surface Finish | Ground and polished (Ra 0.4 µm) |
| Heat Treatment | Carburized and tempered to HRC 58-62 |
Compatibility
This genuine ZF input part is engineered for the WG180, WG200, and WG210 series powershift transmissions commonly found in construction machinery such as wheel loaders, graders, and dozers. It also fits select variants of the ZF 4WG-200 and 6WG-200 models. Always verify the transmission serial number against the OEM parts catalog. The input shaft interfaces directly with the 4695101002: HOUSING and requires the 0634801038: SEALING RING for proper oil retention. For complete assembly, ensure the 4695301021: HOUSING and 4695301022: COVER are inspected for wear during replacement.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4695101002 | HOUSING | Encloses the input shaft and bearing assembly |
| 4695301021 | HOUSING | Secondary housing for clutch pack support |
| 4695301022 | COVER | Seals the input housing and retains bearings |
| 0634801038 | SEALING RING | Prevents oil leakage at the input shaft |
| 4695301023 | SCREW PLUG | Closes oil passages in the housing |
| 4695301024 | SCREW PLUG | Secondary plug for pressure test ports |
| 0637885612 | BREATHER | Equalizes internal pressure and vents moisture |
| 0636100690 | CAP SCREW | Fastens the input cover to the housing |
| 0634100309 | O-RING | Seals the cap screw and plug interfaces |
| 0730365801 | TYPE PLATE | Identification plate for transmission model |
