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[quote]QUOTE: Originally posted by jhhtrainsplanes If I remember right the SD40s or SD40-2s also had a problem breaking the crankshafts. But there was more than one of them made. [/quote] What your thinking of Jim is EMD's SD45. The massive 20cyl. 645E3 block and 3,600 horsepower rating did not fair too well on the longer (and more prone to "snapping") crankshaft. The SD45-2 did not have this problem as much due to refinements and modifications in the block and crankshaft designs.
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