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Dave <br />Why did UP purchase 1000 SD70M's? Many reasons I can give you. The UP had a good case to look at before purchase. The 25 70M's they picked up form SP and the EMD lease fleet of 70M's out of Roseville. The performance of the units was unbelievable. That was a big selling point. Another reason is cost. SD70MAC's and SD90MAC's run over 2 mil apiece. 70M's run under 2 mil apiece. The 1000 unit order is a plane Jane DC locomotive compared to its AC cousin. Also, the SD70M is a MUI engine (Mechanical Fuel Injection) vs SD70MAC & SD90MAC EUI engine (Electronic Fuel Injection). Big difference. The 70M has the tried and true woodward gov. on it. The air brakes are standard, not electronic. Cab has all analog controls on it, vs computer screen displays. With the SD70M running at 96% availability, it is the hottest locomotive in North America right now! Go to EMD's web site to get more info about SD90MAC, SD70MAC, and "Mr. Performer", SD70M. It may help a little. www.gmemd.com Hope this helps. Let me know.........
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