In the 70's and 80's, you could always count on Union Pacific for a unique power combination. A GP30 followed by a DD35B followed by an SD24, or some such lashup. Today, unique power is harder to come by. However, this GP40-2/GP60/GP38-2/GP38-2 lashup isn't too bad! UP's Roydale Local is getting ready for a full day of switching.
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