Overview
The ZF 4699.103.117 OUTPUT is a critical OEM genuine component designed for the final drive assembly of heavy-duty construction machinery transmissions. This part functions as the primary power take-off point, transferring rotational force from the transmission’s planetary gear set to the driveline or axle. Precision-machined to ZF’s exacting tolerances, the SKU 4699.103.117 ensures minimal backlash and optimal torque delivery under extreme loads. It sits directly within the output housing, interfacing with the 4699101138: HOUSING and the 4699301218: HOUSING to form a sealed, high-strength assembly. Replacing this part with a genuine unit is essential to maintain drivetrain integrity and prevent catastrophic failure in wheel loaders, dozers, and excavators.
Symptoms of Failure
When the ZF 4699.103.117 OUTPUT begins to wear, operators will notice distinct performance issues. Oil leaks around the output seal area are the most common early indicator, often caused by a worn bearing surface or shaft scoring. Gear slipping under load occurs as the output splines lose their interference fit, leading to intermittent power loss during digging or pushing operations. Excessive driveline vibration at low speeds signals that the output shaft has developed runout, which can accelerate wear on the 0636101411: CAP SCREW fasteners. Finally, metallic debris in the transmission fluid indicates that the output gear teeth are spalling, requiring immediate replacement to avoid internal damage to the 4699301224: HOUSING COVER.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4699.103.117 |
| OEM Reference | ZF 4699.103.117 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 4.2 kg (9.26 lbs) |
| Overall Length | 215 mm |
| Spline Diameter | 45 mm (1.77 in) |
| Bearing Journal Diameter | 55 mm |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
| Surface Finish | Ground to Ra 0.4 µm |
Compatibility
This genuine ZF output component is engineered for use in the WG180, WG200, and WG250 series transmissions commonly found in construction machinery. It is a direct fit for models such as the ZF 4WG-180, 4WG-200, and 6WG-250, which power equipment from Caterpillar, Liebherr, and Volvo. The part also integrates with the 4WG-310 series in certain high-torque applications. Always verify the transmission serial number against ZF’s parts database to confirm interchangeability with the 0631302072: CYLINDRICAL PIN and 0636302013: SCREW PLUG used in the same assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101138 | HOUSING | Encloses the output shaft and supports bearings |
| 4699301218 | HOUSING | Secondary housing for output gear cluster |
| 4699301224 | HOUSING COVER | Seals the output housing and retains lubricant |
| 0636101411 | CAP SCREW | Secures housing covers to transmission case |
| 0631302072 | CYLINDRICAL PIN | Aligns housing halves during assembly |
| 0636302013 | SCREW PLUG | Seals oil passages in the output area |
| 0501331653 | SCREW PLUG | Drain or fill plug for output housing |
| 0634801038 | SEALING RING | Prevents oil leaks at housing joints |
| 0637885612 | BREATHER | Equalizes pressure inside the transmission |
| 0769100082 | TYPE PLATE | Identifies transmission model and serial number |
