This medium carbon steel spur gear is an aftermarket replacement intended for use with the #6780 center differential on compatible 1/10 TRAXXAS 4WD vehicles. It functions as the main middle-differential gear and is aimed at repairs, routine servicing or durability upgrades where steel is desired over stock plastic or softer alloys.
Compatibility is limited to the TRAXXAS models listed below. Fit the gear into the center differential carrier using common reassembly practice, verify bearing seating and gear mesh, and set backlash to the recommended baseline before running. Use this item when you need a direct steel replacement that corresponds to the #6780 location.
3956X
Select this medium carbon steel spur when replacing the #6780 center differential gear on compatible TRAXXAS 1/10 4WD rigs; double-check mesh, lubrication and bearings after installation to ensure reliable operation.
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