This medium carbon steel spur gear is an aftermarket replacement made to engage with the #6780 center differential assembly on compatible 1/10 TRAXXAS 4WD models. It serves as the middle differential large gear for maintenance, repairs or durability-minded upgrades where steel strength is preferred to stock parts.
Compatibility is limited to the TRAXXAS models listed below. Install the component into the center differential carrier following standard reassembly steps, verify gear mesh and bearing alignment, and set backlash to the maker's baseline before first run. Choose this part when you need a direct replacement matching the #6780 location and material profile.
3956X
Use this medium carbon steel spur gear for direct replacement of the #6780 center differential gear on compatible TRAXXAS 1/10 4WD models; confirm proper mesh and re-lubricate the differential during service to maintain durability.
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