They’re the hardest working cars on your HO layout, and improving the realism and performance of your entire freight car fleet is easy with WalthersProto trucks. Choose from a wide range of popular plain bearing styles for steam and transition-era cars, along with modern roller bearing types for today’s bigger and heavier equipment. A quick and easy upgrade for most plastic, brass or scratchbuilt models, each comes fully assembled with highly detailed sideframes, and ultra-smooth rolling metal axles with correct 33" or 36" wheelsets as appropriate. 

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