Overview
The ZF 4699.103.068 OUTPUT is a critical OEM genuine component designed for the rear output section of heavy-duty ZF transmissions used in construction machinery. This part serves as the primary power take-off point, transferring rotational force from the transmission to the driveline or auxiliary equipment. As a genuine ZF part, SKU 4699.103.068 ensures precise fitment and metallurgical integrity, reducing the risk of premature wear in high-torque applications. It sits within the transmission housing assembly, where it interfaces directly with the 4699101105: HOUSING and the 0501329881: HOUSING COVER to maintain structural alignment and oil retention.
Symptoms of Failure
When the ZF 4699.103.068 OUTPUT begins to fail, operators may notice specific performance issues that escalate quickly. Oil seepage around the output flange is a common early indicator, often caused by degradation of the 0634306309: O-RING or seal surface wear. Intermittent gear slipping under load occurs when the output shaft splines lose tolerance, leading to power loss during excavation or lifting. Unusual metallic grinding noises from the transmission rear section signal bearing fatigue or shaft misalignment. Vibration at the driveline connection during acceleration is another telltale sign, often linked to output flange runout exceeding factory specifications.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4699.103.068 |
| OEM Reference | ZF Friedrichshafen AG |
| Material | Case-hardened alloy steel (16MnCr5) |
| Weight | 4.2 kg (9.26 lbs) |
| Output Flange Diameter | 120 mm |
| Spline Count | 24-tooth involute spline |
| Torque Capacity | 1,800 Nm (1,327 ft-lbs) |
| Sealing Surface | Ground finish, Ra 0.4 μm |
Compatibility
This output component is engineered for ZF’s WG-series powershift transmissions commonly deployed in wheel loaders, graders, and dozers. It is directly compatible with the WG180, WG200, and WG250 transmission models. The part also fits select Ecomat 4HP and 6HP series used in older construction equipment. For proper assembly, always pair this output with a new 0634306309: O-RING and verify the 0637885612: BREATHER is unobstructed to prevent pressure buildup. The 4699101105: HOUSING must be inspected for cracks before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101105 | HOUSING | Encloses output shaft and bearings |
| 0501329881 | HOUSING COVER | Seals rear transmission cavity |
| 0634306309 | O-RING | Prevents oil leakage at joints |
| 0637885612 | BREATHER | Equalizes internal air pressure |
| 0501319149 | SCREW PLUG | Seals oil drain or fill ports |
| 0636302022 | SCREW PLUG | Magnetic plug for debris capture |
| 0634801038 | SEALING RING | Copper washer for leak-proof seals |
| 0730365801 | TYPE PLATE | Identification tag for transmission |
| 4699102083 | INPUT | Primary input shaft assembly |
| 4699302013 | DRIVE PINION | Engages with output for gear reduction |
