ZF 2094.310.104 SPUR GEAR for WG100/WG130/WG131 | OEM Genuine Part

Overview

The ZF 2094.310.104 SPUR GEAR is a critical power transmission component engineered for the WG100, WG130, and WG131 series transmissions. This OEM genuine part directly transfers rotational force from the input shaft to the countershaft, ensuring precise gear engagement and torque delivery under heavy industrial loads. The spur gear, identified by SKU 2094.310.104, is housed within the main gear cluster and interfaces with the 2094101017: TRANSMISSION HOUSING to maintain proper alignment. Its straight-cut tooth profile minimizes axial thrust, making it ideal for high-torque applications in construction and agricultural machinery.

Symptoms of Failure

• Whining or grinding noise during gear engagement — Worn teeth on the 2094.310.104 spur gear produce a distinct metallic whine under load, often mistaken for bearing failure.
• Intermittent gear slippage under acceleration — Chipped or heavily pitted teeth cause the gear to lose positive engagement, resulting in sudden power loss during uphill or loaded operation.
• Metal debris in transmission oil — Flaking or spalling from the gear surface contaminates the lubricant, visible as silver or bronze particles during oil changes.
• Vibration through the shift lever or chassis — Uneven tooth wear creates cyclic vibration that transmits through the driveline, worsening at specific RPM ranges.

Technical Specifications

Compatibility

This spur gear is specifically designed for ZF WG-series transmissions. Verified compatible models include WG100, WG130, and WG131. It may also be suitable for WG180 and WG200 variants where the gear cluster shares identical tooth geometry and shaft spacing. Always verify the gear’s bore diameter and keyway dimensions against your existing assembly. The gear mounts directly into the 2094301069: HOUSING and is secured by the 2094298054: HOUSING cover plate. Use a 0636302008: SCREW PLUG to seal the inspection port during reassembly.

Related Components