This assembled gearbox is designed as an aftermarket replacement for Axial SCX-10 drive systems and includes a fitted motor mount to streamline installation. Using aluminum for the case enhances rigidity and helps preserve pinion-to-spur geometry under changing loads.
Delivered pre-assembled, the unit reduces assembly time; fitting typically requires ensuring correct chassis integration, setting the motor alignment and pinion mesh, and checking for correct shaft endplay. Confirm the motor mount screw pattern is compatible with your motor before final assembly.
As a tuning component, the gearbox acts as a structural upgrade for load resistance and provides a consistent motor mounting surface that aids repeatable pinion alignment when experimenting with gear ratios or motor changes—useful for dedicated scale and trail rigs on the SCX-10 platform.
If you are tuning an SCX-10 build and want a stiff, pre-assembled gearbox and motor mount to speed setup and stabilize driveline geometry, this ASCX10-22420 option is appropriate.
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