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| SD40's downgraded???? http://twincitiesrailfan.com/forums/viewtopic.php?f=1&t=325 |
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| Author: | brahamfireman [ Mon May 29, 2006 7:07 pm ] |
| Post subject: | SD40's downgraded???? |
| Author: | xrayguy [ Mon May 29, 2006 7:20 pm ] |
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| Author: | busyemt [ Mon May 29, 2006 8:22 pm ] |
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| Author: | xrayguy [ Mon May 29, 2006 11:15 pm ] |
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| Author: | busyemt [ Tue May 30, 2006 8:37 am ] |
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| Author: | xrayguy [ Tue May 30, 2006 4:33 pm ] |
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| Author: | MN Railroader [ Tue May 30, 2006 7:29 pm ] |
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| Author: | MilwaukeeroadMatt [ Tue May 30, 2006 8:29 pm ] |
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| Author: | MilwaukeeroadMatt [ Tue May 30, 2006 9:00 pm ] |
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| Author: | MN Railroader [ Wed May 31, 2006 4:27 pm ] |
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| Author: | brahamfireman [ Wed Jun 07, 2006 10:20 pm ] |
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| Author: | MilwaukeeroadMatt [ Wed Jun 07, 2006 10:28 pm ] |
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| Author: | EMDSwitcher [ Wed Nov 22, 2006 11:39 am ] |
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Interesting, they do the same thing to jets on airplanes. It's done to prolong the engines life or TBO(Time before Overhaul). |
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| Author: | busyemt [ Wed Nov 22, 2006 11:44 am ] |
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I think railroads do this to lower fuel consumption primarily. TBO is also a concern as new locomotives have OnStar-like diagnostic connections to prevent minor failures which lead to major failures and time off revenue earning runs. |
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