Use this mover to transport the heaviest machinery and household appliances. Smooth movement improves work efficiency and safety. 6in. swivel attachment rotates 360° 12 heavy-duty 3in. cast-iron wheels 18-ton/39,600-lb. capacity 14 1/2in.L x 11 1/5in.W platform 19 3/4in.L x 12 1/2in.W x 4 3/4in.H