Aviation Engine Run Up Stands are Manufactured Heavy Duty for many years of service. The unit is designed with a swivel front axle and removeable folding style tongue . The enclosure is 5'x6'x7'h with a framed and finished 3/16" Lexan viewing window. A finished padded seat and Aluminum guage board and a steel tread kick plate . 12v interior dome light wired into panel board . The stand has a 20 gallon fuel tank w/ sediment bowl , petcock drain plug , brass fittings , protected 1/4" fuel hose routed to rear ,and DOT vented twist on fuel cap , and an exterior strobe light on top rear and wired into panel board.