Handle heavier freight on your HO railroad with the WalthersMainline Alco RS-2! Built from 1946 to 1950, the prototypes delivered more horsepower than the earlier RS-1, and introduced the rounded body style that defined Alcos of the period. Serving a variety of railroads, shortlines and industrial operators, many were going strong into into the 1970s and beyond. Features of this WalthersMainline model include: One time run of these roadnumbers, order now - limited quantity available! NEW Air- or Water-cooled exhaust stack as appropriate Prototypes in service 1946 to early 2000s - several preserved today Available with ESU Sound and DCC for DCC or DC layouts featuring: -Fully DCC compatible -14, 28 or 128 speed steps -Dual mode DC & DCC -4 Air horns changeable by CVs -2 bells changeable by CVs Same powerful drive as WalthersProto(R) locos featuring: -Five-pole skew-wound motor -14 to 1 gear ratio -Helical-cut gears for quiet operation and easy multiple unit operation -All-wheel drive and electrical pickup -Machined brass flywheel -Heavy die-cast metal chassis -Constant and directional LED headlights -21-pin DCC plug Molded drill starter points - add correct curved Alco grab irons to your model easily with WalthersMainline RS-2 Diesel Detail Kit (#910-260, sold separately) Correct size RP-25 metal wheels Proto MAX(TM) metal knuckle couplers Additional information on DCC functions: ESU CV List ESU Function Mapping ESU Function Output PLEASE NOTE: When operating Walthers-branded DCC-equipped locomotives in DC mode, do not use power packs that exceed an 18V rating. This includes MRC 1300-series power packs which have known issues with our decoders