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Difference between F3, F7, & F9 locos??
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[quote]QUOTE: <i>Originally posted by Don Gibson</i> <br /><br />EMD's 'F' (for freight) were improved FT's, and went through 'improvement' stages through the years: <br /> <br />Horsepower 1350 to 1500, <br />cooling fans - 2 types <br />Dynamic brake - 2 sizes <br />Radiator grills - 3 types <br />Optional Boilers (Santa Fe) <br /># of portholes <br />- All on basically the same body. <br /> <br />A book with pictures is what you want, or 'Highliner A&B bodies as a kit with parts to change F-2's up to a F-9 <br /> <br />The predecessor FT's were origially designed as 1700 hp permantly coupled pairs to compete against current steam ehgines. Their lower maintenace, low end torque, and not needing water, won out. 'F' s were designed to be individually coupled like for more flexibility. <br /> <br />EMC became EMD upon purchase by General Motors. <br />[/quote] <br /> <br />I actually read somewhere that f stood for fifteen hundred horsepower, i do not know the truth in this however. <br /> <br />alexander
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