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[quote user="WCfan"]Where the SD-45s a Expermental loco when they came out? From the info you guys gave me it sounds like it. The angled radiators, odd motor configuration, low mpg, noise, and in-efficiency.(Sorry guys I asked this before but no one answered)[/quote]No they weren't an experiment. They were part of the "horsepower race" going on at the time. The radiators were flared to be able to sucessfully cool the large motor. They received a bad rap when some of the early production locos were experiencing main bearing failures and other small defects. Despite changes that fixed the problems, the fuel comsumption and extra maintenance costs (4-cyl more than that SD40) caused them to drop out of favor with many roads who then switched to buying the SD40. The difference in fuel usage is very apparent when considering that it was enough for the Montana Rail Link to pony the millions of dollars to purchase 16 brand-new SD70ACes. The fact that most RRs who bought the SD45s got them for the heaviest trains in the most demanding territory tends to wear them out more quickly.
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