4 wheel Deep Frame Steel Pallet Truck features a set of 6 in. swivel casters mounted on extended skid rails - allowing the truck to carry the entire weight of the load. The rear wheels fix the angle at which the frame is balanced - so these trucks are recommended for use on flat surfaces or inclines of no more than 10 degrees and with loads that are not extremely deep in relation to the height. Features 133?4 in shoe and 10 in solid tires. Frame measures 48 x 141?2 in. Constructed of 14-gauge - 11/8 in O.D. steel tubing. Replaceable parts include shoes - axles - wheels and tires for easy service and longer life.