The basket dimensions are 12’6″ long and 11′ high. The special width 10′ front, 11′ rear is a patented feature. The tapered sides allow bales to unload quick and E-Z without lodging. Tire size 11L 15 8 ply; wobble free caster wheel 20.5 x 10. Basket is shipped with axle, floor and sides pre-assembled, final assembly requires 1-2 hours. High strength square tubing 4″ x 1/4″ axle 1-1/2″ 12 gauge and 1-1/4″ 14 gauge.