Hamilton Caster & Mfg. Co.; 800-733-7655; www.hamiltoncaster.com
Solid pneumatic casters
Capable of carrying up to 8,400 lb., Hamilton 7700 solid pneumatic casters have a dual-wheel design and drop forged steel mounting plates. Available in diameters from 10 x 4 in. to 21 x 6 in., all the wheels are equipped with 1- or 1 1/4-in. tapered roller bearings, making them suitable for power-towed applications. Options include a heavy-duty contact brake and a permanently welded, 4-position swivel lock.