The gravity-fed Diesel Walker maneuvers easily with recessed wheels and built-in handle. Brass shut-off valve controls flow and prevents accidental discharge. Durable cross-linked polyethylene one-piece construction. Meets DOT requirements for transporting diesel fuel. 10 UL approved hose. 29-gallon tank. 19-1/2"W x 19-1/2"D x 43-1/4"H.