Woodcraft Wagon beds are made with extra fine hardwood. The 2-1/2" wood sides on the beds are held together with full length 1/4" tie-rod for longer lasting years of service. Heavy duty 14 gal. steel brackets are used to hold the 1/2" x 1-1/2" side rack post. The plywood bottom on the bed has rounded edges and three coats of varnish for an extra smooth, glass finish. Brass bushings on steering are used for no-rattling and true steering. Heavy duty welded running gear with safety auto steering. Built for 1000 lb. loads. Bed Size 22" x 40" Tires 4.00×6