This is a rugged chassis made of 1/8" thick aluminum that is cut to the width required by the 4" mecanum wheels. The aluminum is cut with our CNC plasma cutter for and exact fit-up and welded. The chassis accepts outboard bearings to take the wheel loads.
One pair of 10" wheels with aggressive treads and shafts. The shafts are machined steel with a welded hub. They are for our Heavy Duty and Enclosed Heavy Duty ATRs. These will not work for our Standard ATRs.