These extra heavy duty twin wheel fabricated castors are part of our extra heavy duty range, as they can carry over 1 tonne castors each, and combine 4 to carry over 3 tonne castors. With Twin heavy duty 125mm polyurethane wheels that have cast iron centres making these castors extra durable and extremely strong. Overall height 205mm, these welded steel plate castors are fitted using 4 x M15 Bolt Plate fitting. Ideal as gantry castors, crane wheels and for extreme applications. 125mm Extra Heavy Duty Crane Castor with Polyurethane Wheel 1100kg