Parts list: № Number Qty Name Options 1 AL225064 2 Wheel DW15LX38, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST855622 Steel Disk Front Wheels, 2 Position, W8LX16 ST478214 Steel Disk Rear Wheels, 2 Position, TW23BX38 ST746503 Steel Disk Rear Wheels, 2 Position, W16AX46, 40 km/h (25 mph) ST923354 Steel Disk Dual Rear Wheels, 2 Position, DW18AX42, 335 mm Bolt Circle Diameter ST994196 Cast Rear Wheel Rims, W20LX38, Rack and Pinion Axle, 814 mm Bolt Circle Diameter ST843560 Cast Rear Wheel Rims, DW13X46, Rack and Pinion Axle ST1021644 Cast Rear Wheel Rims, MW20BX38, Rack and Pinion Axle, 814 mm Bolt Circle Diameter ST844916 Steel Disk Front Wheels, 16 Position, DW13X34, 335 mm Bolt Circle Diameter ST709296 Steel Disk Rear Wheels, 2 Position, TW18LX42, W/ Reinforcement ST827834 Steel Disk Front Wheels, 8 Position, DW18LX30, 335 mm Bolt Circle Diameter