Track wheels come in a few different styles for different track types. They are offered in V-groove and U-groove style and are made from either high quality steel or heavy duty cast iron material. These wheels range in size from 3 x 1-1/2 up to 10 x 3 with capacities that range from 350 lbs. up to 8,000 lbs. each. They can also be configured for high temperature applications, please contact your local branch for more information.