Atlas 10003002 - HO ALCo RS-1, Silver DC, Green Mountain #405

HO ALCo RS-1, Silver DC, Green Mountain #405 Retooled die-cast metal chassis and fine scale handrails Golden White LEDs DCC/Sound version available with LokSound decoder Separately-applied wire grab irons, coupler cut bars, trainline hoses and lift rings Accurate painting and printing AccuMate couplers Realistic die-cast mainframe Five-pole skewed armature motor with dual-flywheels for optimum performance at all speeds Directional lightingNote: Undecorated version comes with both friction bearing and roller bearing truck sideframes Prototype Information: The RS-1 was introduced by ALCO in March of 1941 with the delivery of the first of two units to the Rock Island. Combining the accessibility of a switching locomotive and the higher-speed tracking of a road unit, the RS-1 started a revolution in locomotive design that was soon embraced by all of the major diesel-electric builders. Despite ALCO's own introduction of higher horsepower roadswitchers, the 1,000 h.p. RS-1 had a production span of 19 years (1941-1960) with 623 units. The ALCO RS-1 was a 4-axle diesel-electric locomotive built by Alco-GE between 1941 and 1953 and the American Locomotive Company from 1953 to 1960. The Montreal Locomotive Works built three RS-1s in 1954. This model has the distinction of having the longest production run of any diesel locomotive for the North American market. The RS-1 was in production for 19 years from the first unit Rock Island #748 in March 1941 to the last unit National of Mexico #5663 in March 1960. The hood unit configuration of the RS-1 pioneered the road switcher type of diesel locomotive, beginning the move away from the carbody units which were the standard design for road diesel locomotives before then. Most North American locomotives built since have followed this basic design. In 1940, the Rock Island Railroad approached ALCO about building a locomotive for both road and switching service. The first thirteen production locomotives were requisitioned by the US Army, the five railroads affected had to wait while replacements were manufactured. The requisitioned RS-1s were remanufactured by ALCO into six axle RSD-1s for use on the Trans Iranian Railroad to supply the Soviet Union during World War Two