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36" smooth back wheels Accurate markings Incredible detail True to prototype Non-magnetic Metal wheels Highly Flexable sprung trucks Metal SideFrames & Bolsters Fully Sprung Smooth tracking Free rolling Contoured Insulated Axes RP-25 Free rolling wheels

The ASF® 100-ton Roller Bearing Truck is from the modern diesel era. It has standard 36 inch wheels and a longer wheel base than the 50 or 70 ton roller bearing trucks. Our model is a faithful reproduction of the American Steel Foundries® Ride Control® truck. This truck is currently in use under a variety of rolling stock in North America.