Alco S2 Standard DC Master Silver(R) Erie 513 (black, yellow) N ScaleDetails: Built by the American Locomotive Company (Alco) the low hood S 2 was introduced in 1940 to replace Alcos earlier high hood switchers. The 1000 horsepower S 2 was a turbocharged version of the S 1. There were 1,502 S 2s sold to North American Railroads. The versatility of the S 2s was evidenced by their service on mainline, shortline, and industrial railroads. DCC OPERATION FEATURES: Supports all DCC programming modes Flexible mapping of