Reply to "DPUs and an SD80MAC on NS 10K"

pittsburghrailfanOGR Forum Member

Stuart posted:
Considering that 20+ years after they were built they are still running with their original 5000hp 20 cylinder 710G prime movers, while the MK5000C's were rebuilt into SD50's, and the 6000hp GE and GM designs are all either retired or derated. Also remember that Conrail was going to order more SD80MAC's, but the split between CSX and NS cause that order to be canceled.
Stuart

CNW was also supposed to order some, per Brian Solomon. According to Chris Toth's excellent website, 29 units are in service (1 had a fire, edit: and was repaired), though 14 are in storage. Now that the SD70ACU rebuilds are finished, I heard through AltoonaWorks that the SD80MACs will also be rebuild, supposedly into "SD80ACUs" with 5,500 horsepower.

8/19/1910:05 PM

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