Scale Test Car - 3-Rail - Ready to Run - Premier® -- Chessie System #X4920 (blue, yellow)

The AtlasO Premier 3-rail O Scale Scale Test Car is a necessary tool for calibrating track scales. Scale test cars are of a precisely known weight so that the track scale can be calibrated against them. This model features a die cast truck with free-rolling fast-angle metal wheelsets, fine paint, crisp lettering and knuckle couplers. Decorated in classic or later schemes, the Scale Test Car is perfect for your freight train consists. Check out the entire line of AtlasO freight cars.