This powerful gas tug has an extra heavy-duty frame, an extra center bearing for the axle, a longer handle for better leverage, heavy duty 12 -inch air wheels and will move most tail-draggers up to approx. 9,000 lbs. and tail wheels up to 16 inches in diameter. This is nice for aircraft like Beech-18, Most Ag planes, BT-13, SNJ, T-6, Beaver, Howard, Reliant, heavy Cessna′s C-195, C-185, 450 Stearman′s, and many other tail draggers.