These fixed fabricated casters with twin wheels are part of our extra heavy range as they can carry just under 4 tonnes each, combine four castors to carry over 11 tonnes. With Twin heavy-duty 300mm polyurethane wheels that have cast iron centres these fixed castors are extra durable and extremely strong. Ideal as gantry castors, crane castors and for extreme applications where you require 11-tonne castors. 300mm Fixed Heavy Duty Fabricated Castor with Twin Polyurethane Wheel 3800kg