ZF 4616.305.066 OUTPUT SHAFT for WG65 | OEM Genuine Part

Overview

The ZF 4616.305.066 OUTPUT SHAFT is a critical torque-transfer component engineered specifically for the WG 65 Series transmission family. This OEM genuine part transmits rotational force from the planetary gearset to the driveline flange, ensuring precise power delivery in heavy-duty commercial vehicles and industrial machinery. Machined from high-tensile alloy steel, the shaft interfaces directly with the 4616101089: TRANSMISSION HOUSING to maintain concentric alignment under extreme loads. The SKU 4616.305.066 is factory-balanced to reduce vibration and extends service life when paired with OEM fasteners such as the 0636011038: HEXAGON SCREW during installation.

Symptoms of Failure

• Output flange oil seepage – Worn splines or bearing journals cause lubricant to bypass the seal, leaving visible drips under the transmission bell housing.
• Driveline shudder during acceleration – A fatigued output shaft induces torsional vibration that manifests as a rhythmic shake at 20–40 mph under load.
• Gear engagement delay or clunking – Excessive spline wear creates backlash, producing a metallic “clunk” when shifting from Neutral to Drive or Reverse.
• Premature bearing failure noise – A worn shaft surface accelerates roller bearing degradation, resulting in a low-frequency growl that increases with road speed.

Technical Specifications

Compatibility

This output shaft is designed for the ZF WG 65 Series, which includes the WG65, WG120, WG150, WG180, and WG200 transmission models. It is also compatible with select WG 80 Series variants that share the same spline geometry and bearing spacing. Always verify the shaft length and spline count against your transmission’s service manual before ordering. For proper sealing, pair this shaft with the 0636011118: HEXAGON SCREW and 0636016015: HEXAGON SCREW to secure the output flange.

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