Materials Handling CT Offers A Number Of Wonderful CM Hoist. Check Out Just A Few Of The Products That We Can Offer You! Jul 12, 2012 Series 32 1/2 – 40 Ton Negotiates radius curves as tight as 7 to 10 inches. Unique double row, ball bearing wheel design for greater wear capacity. Exclusive Dial-Fit collar quickly adapts trolley to wide range of beams and patented rails.Dust covers shield and protect bearings. Series 84 1/2 – 40 Ton Trackwheels contain 2 lifetime lubricated bearings, sealed to prevent the entry of dust. Axles made of hardened and ground steel and are rigidly supported in trolley side frames. Non sparking trackwheels are available. RailStar 1/8 – 3 Ton Fits wide range of beam sizes for maximum versatility. Steel plate side frames. Steel spur gearing for optimum strength and smooth operation. Durable hardened cast iron trackwheels that operate on standard S-beams or flat flanged beams. ShareTweetShare