Overview
The ZF 4616.103.405 OUTPUT for WG65 is a critical driveline component engineered to transfer rotational force from the transmission’s planetary gear set to the output flange. Positioned at the rear of the WG65 series housing, this OEM genuine part ensures precise torque delivery and alignment under heavy-duty loads. The SKU 4616.103.405 is machined from high-strength alloy steel to withstand continuous stress in construction and agricultural machinery. When replacing this output shaft, it is common to also inspect the 4616105402: OUTPUT and the 4005303005: OUTPUT FLANGE for wear, as these components work in tandem to maintain drivetrain integrity.
Symptoms of Failure
- Oil leaks at the rear seal area – A worn 4616.103.405 output shaft can damage the sealing surface, causing transmission fluid to drip near the output flange. This is a common long-tail search query for “ZF WG65 rear seal leak.”
- Vibration during gear engagement – Excessive play in the output shaft leads to driveline shudder, especially when shifting from neutral to drive under load.
- Metal debris in transmission fluid – Spalling or pitting on the output shaft’s splines generates metallic particles, which can be detected during routine oil changes.
- Intermittent power loss – A cracked or fatigued output shaft may slip under torque, causing erratic vehicle movement on inclines.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4616.103.405 |
| Material | Alloy Steel (42CrMo4) |
| Length | 285 mm |
| Outer Diameter | 65 mm |
| Spline Count | 24 |
| Weight | 3.8 kg |
| OEM Reference | ZF 4616.103.405 |
| Surface Treatment | Nitrided |
Compatibility
This 4616.103.405 output shaft is designed for the ZF WG65 series transmission, commonly found in wheel loaders, forklifts, and telehandlers. It is also compatible with the WG180, WG200, and WG250 models that share the same rear output architecture. Always verify the spline count and housing bore dimensions before installation. The 4616101119: TRANSMISSION HOUSING must be free of cracks to ensure proper alignment, and the 0636011038: HEXAGON SCREW should be torqued to factory specifications during reassembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616105402 | OUTPUT | Secondary output shaft for torque distribution |
| 4005303005 | OUTPUT FLANGE | Connects output shaft to driveshaft |
| 4616101119 | TRANSMISSION HOUSING | Encloses and supports gear train |
| 0636011038 | HEXAGON SCREW | Fastens output flange to shaft |
| 0636011118 | HEXAGON SCREW | Secures bearing retainer |
| 0636016015 | HEXAGON SCREW | Mounts housing to bell housing |
| 0631306085 | CYLINDRICAL PIN | Aligns housing halves |
| 0634313118 | O-RING | Seals output shaft bore |
| 0636304019 | SCREW PLUG | Closes oil passages |
| 0634801152 | SEALING RING | Prevents fluid bypass at flange |
Authorized ZF Distributor
We are a certified supplier of genuine ZF components.
