ZF 4646.354.023 SHAFT for WG250 | OEM Genuine Part

Overview

The ZF 4646.354.023 SHAFT is a precision-machined internal component engineered for the WG250 series of heavy-duty powershift transmissions. This genuine OEM part transmits rotational torque from the input drive to the planetary gear sets, ensuring smooth power delivery under high load conditions. As a critical element of the drivetrain assembly, the shaft interfaces directly with the TRANSMISSION HOUSING and the HOUSING to maintain proper gear alignment. The SKU 4646.354.023 is manufactured to ZF’s exacting tolerances, making it a direct replacement for worn or damaged shafts in WG250 transmissions.

Symptoms of Failure

• Gear slipping under load: When the 4646.354.023 shaft wears at the spline interface, the transmission may lose torque transfer, causing gears to slip during acceleration or uphill operation.
• Metallic grinding noises: A worn shaft bearing journal produces a distinct grinding or whining sound from the transmission housing, often mistaken for gear failure.
• Oil leaks near the output flange: Shaft seal surface wear leads to gradual ATF leakage around the output area, visible as drips under the vehicle or equipment.
• Vibration during shifting: Excessive shaft runout from fatigue creates noticeable vibration when the transmission shifts between forward and reverse gears.

Technical Specifications

Compatibility

This shaft is specifically designed for the ZF WG250 series transmission, which is commonly found in off-highway trucks, wheel loaders, and agricultural tractors. Based on its spline pattern and length, the 4646.354.023 SHAFT is also compatible with the WG180 and WG200 models when used with the appropriate COVER and HEXAGON SCREW kits. Always verify shaft dimensions against your transmission’s serial number before installation. The part integrates with the TRANSMISSION HOUSING to form the main gear carrier assembly.

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