Parts list: № Number Qty Name Options 1 AL156778 1 Extension (Bolt Circle Diameter = 275 mm) Next page: ST762041 Steel Disk Front Wheels, 16 Position, W10X36, 275 mm Bolt Circle Diameter ST760793 Steel Disk Front Wheels, 16 Position, DW12X38, W/ Narrow Tread Setting ST726768 Mounting Parts, Rear Wheels, Flange Axle, 203 mm Bolt Circle Diameter ST709635 Front Wheels, 16 Position, W12X28 ST830444 Front Wheels, 2 Position, W10X28, 275 Bolt Circle Diameter, 3 Piece MFWD Axle ST856677 Cast Rear Wheels, TW15LX34, Rack and Pinion Axle ST709634 Front Wheels, Adjustable, 16 Position, W10X28 ST709294 Steel Disk Rear Wheels, 2 Position, DW15LX30 ST830700 Front Wheels, 16 Position, DW12X38 ST708285 Rear Wheel, Fixed, DW18LX34