Atlas 10003000 HO Scale ALCo RS-1 Diesel New York, Susquehanna & Western NYS&W 240 - DC Roadname_MBTA These Hi-Flow pistons allow for

These Hi-Flow pistons allow for more blow-by at slow shaft speeds which allow the vehicle to move more freely

Rotor diameter: 225 mm

these were truly state-of-the-art coaches

Separately applied end rails

Atlas 10003000 HO Scale ALCo RS-1 Diesel New York, Susquehanna & Western NYS&W 240 - DC Roadname_MBTA These Hi-Flow pistons allow forAtlas 10003000 HO Scale ALCo RS 1 Diesel New York, Susquehanna & Western NYS&W 240 DC This detailed Atlas HO Scale Master Silver Alco RS1 is modeled after one of the earliest roadswitchers produced. The RS1 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