Wilson Hopper Trailer Trap Gear & Rack Upgrade Bundle 

Upgrade your Wilson grain trailer’s trap door system with this complete Trap Gear & Rack Bundle. Designed to replace worn or outdated components, this bundle brings your hopper doors up to the newest Wilson standard for smoother, more reliable operation.

This bundle includes: Gears and Racks for one hopper door 

 Set of Replacement Trap Gears – 12 Tooth
These 12-tooth trap gears are Wilson’s current standard on all new grain trailers. Built for durability and consistent performance, they ensure proper engagement with the updated 6-pitch gear racks.

• 12-tooth design

• New Wilson standard

• Weld-on style

• 7/8" ID

• Note: Older trailers with previous gear styles require upgrading both gears and racks.

 4' Trap Door Gear Rack – 6 Pitch
Upgrade your hopper’s rack system for smoother trap door operation. This 6-pitch rack is the newest Wilson configuration and is fully compatible only with 12-tooth gears. Each rack comes as a 4' stick and can be cut to smaller sizes as needed.

• 6-pitch rack

• Newest Wilson style

• Sold as 4' stick

• Must be paired with 12-tooth gears; older Wilson racks and gears must be updated together for compatibility.

Why Choose This Bundle?

This bundle ensures both components match the latest Wilson hopper door system, eliminating compatibility issues and restoring optimal trap door performance. Perfect for upgrading older Wilson grain trailers or replacing worn parts on newer models.