This is a RC-scale steel main drive shaft specified at 153mm length designed for the Tractor Truck (King Hauler) platform, supplied as 1pcs. The part is a direct replacement-style drive shaft intended for use inside the model drivetrain and serves as a service or spare item for routine maintenance and setup.
In chassis work it functions as the central rotating link between gearbox output and downstream drivetrain components; when replacing a worn or bent shaft, check alignment, running clearance with bearings and mating gears, and verify secure fastenings. The material designation indicates steel construction, so expect standard handling and fitting practices for metal drivetrain parts in scale models.
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