If your application is below 900 lbs, check out our broad offerings in the light duty category. Hamilton’s popular Hi-Lo series casters are rated up to 400 lbs. The Leader series reaches capacities to 375 and the General Utility casters are rated to 275 lbs. Each series meets a different top plate specification and has a different swivel construction. Wheel choices include eight tread types in widths ranging from 1” to 1-3/4” and in diameters from 2-1/2” to 5”.