Parts list: № Number Qty Name Options 1 R339739 2 Hub 425 mm Bolt Circle 2 R163388 2 Extension 3 19M7779 12 Cap Screw M20 X 240 4 19M7778 8 Cap Screw M20 X 220 5 24M7242 40 Washer 21.400 X 42 X 5 mm 6 RE343213 2 Adapter Fitting INCLUDES P47889 7 P47889 2 O-Ring 8 BRE10132 1 Extension Kit Next page: ST785804 Hub Extension, 5" Heavy Duty Dual Hub, Attachment ST981093 Dual Hub, Front Axle, RH Illustrated, Attachment ST785767 Attachment, Hub Extension, 10" Heavy Duty Dual Hub ST1037028 Dual Front Wheel, 8 Position, Group 44 Tires, RH Illustrated (200001 - ) ST731330 Kit, Hardware, Heavy Duty, Final Drive Wheel, LH Illustrated ST1017082 Rear Wheel, 2 Position, Group 47 Tires (RH Illustrated) ST1026267 Rear Wheel, 2 Position, Group 48 Tires, RH Illustrated ST888225 Hub, Triple Wheel Extension, 15" and 15" Heavy Duty ST935599 Front Wheel, 8 Position, Group 43 Tires, RH Illustrated ST1005106 Front wheel, 2 Position, Group 44 Tires, LH Illustrated (172050 - )