ZF 4657.354.066 OUTPUT GEAR for WG210 | OEM Genuine Part

Overview

The ZF 4657.354.066 OUTPUT GEAR is a critical component within the WG210 series transmission, responsible for transferring rotational force from the planetary gear set to the output shaft. This OEM genuine part ensures precise torque delivery and minimal power loss during operation. As a high-stress component, the 4657.354.066 output gear interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to maintain proper gear alignment and load distribution. The SKU 4657.354.066 is machined from case-hardened steel to withstand continuous heavy-duty cycles in industrial machinery.

Symptoms of Failure

• Whining or grinding noise during deceleration: Worn gear teeth on the 4657.354.066 produce a distinct metallic sound, often misdiagnosed as bearing failure.
• Vibration under load: Uneven tooth wear causes harmonic vibrations that resonate through the HOUSING REAR PART, felt as chassis shudder at specific RPM ranges.
• Metal particles in transmission fluid: Spalling or pitting on the output gear surface releases ferrous debris, detectable during oil analysis or filter inspection.
• Intermittent gear slipping: Loss of tooth profile integrity leads to momentary torque loss, particularly during uphill or high-torque applications.

Technical Specifications

Compatibility

This output gear is primarily designed for the WG210 series, but cross-referencing with OEM documentation confirms fitment in the following ZF transmission models: WG180, WG200, WG210, and WG250 (when used with corresponding housing variants). Always verify spline count and shaft diameter against your specific unit. The gear interfaces with the CYLINDRICAL PIN for rotational alignment and requires proper torque specifications during installation.

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