alco_rs-3 | builder | american_locomotive_company <tsp> alco_rs-3 | length | 170688 (millimetres) <tsp> alco_rs-3 | engine | v12_engine <tsp> alco_rs-3 | builddate | 'may 1950 - august 1956' <sep> the alco rs-3 is a 1,600 hp (12 mw), b-b diesel-electric locomotive manufactured from may 1950 to august 1956 by american locomotive company (alco) and its subsidiary montreal locomotive works (mlw) a total of 1,418 were produced: 1,265 for american railroads, 98 for canadian railroads, 48 for brazilian railroads, and seven for mexican railroads the successor to the rs-1 and rs-2, the rs-3 was built with a single 12-cylinder alco model 244 engine the rs-3 greatly resembled the design and appearance of its predecessor, but had 100 more hp (1,600 hp) and some changes to the fuel system and body shape some had their engines replaced with more reliable emd 567b engines, becoming rs-3ms 
the american locomotive company built the alco rs-3 and it was produced between may 1950 and august 1956. it's length is 17068.8 millimetres and it has a v12 engine.1,418 alco rs-3 locomotives were built from may 1950 - august 1956 by american locomotive company