Bachmann Spectrum HO 2-10-0 Russian Decapod A.T. & S.F. #2554 is a plastic model steam locomotive with a wheel configuration of 2-10-0. It is painted black and has a scale of 1:87. The locomotive is modeled after the A.T.S.F corporate roadname and is designed for HO gauge tracks. Excellent condition, working good. No original box. See photos for details. Thanks