ALCO RS-1 Design Features: The Pioneer of Road Switchers
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ALCO RS-1 Design Features: The Pioneer of Road Switchers The ALCO RS-1 was a groundbreaking locomotive that set the standard for diesel-electric road switchers. Introduced in 1940 by the American Locomotive Company (ALCO), in collaboration with General Electric (GE) and Westinghouse, the RS-1 was the first locomotive to successfully combine the power of a road engine with the maneuverability of a switcher. Its innovative design influenced locomotive development for decades. Key Design Elements Road-Switcher Layout The RS-1’s design was a significant departure from traditional locomotives. It featured a long hood and short hood configuration, with the cab positioned slightly off-center. This layout allowed for improved visibility, which was crucial for both switching operations and mainline runs. ALCO 539T Diesel Engine At the heart of the RS-1 was the ALCO 539T, a turbocharged six-cylinder diesel engine. This engine produced 1,000 horsepower, providing a balance of power and ...