by junction tower
Well, the SD9043MAC's were built with the idea that they could be up-converted to true SD90MAC status. Perhaps the 6000 HP units could be turned into SD9043's. The 9043's have been excellent performers for UP from what I hear, basically on par with the SD70M's reliabilty wise. Sell the "H" prime movers back to EMD to freshen up for their marine customers, and have them supply new 710's to go back in. Possible? Yes. Practical? Maybe. Likely? Not very.