This sheet metal part is makes up the inside rail of the AM14U4 drive chassis. This rail has different holes to accommodate different wheel sizes, types, and configurations as well as mounting locations for the Toughbox Mini, Toughbox Micro, support churros, and bearings.
Layout Print(s)
am-3922 AM14U4 Inside Plate.PDF
CAD File(s)
am-3922 AM14U4 Inside Plate.STEP