Since there is no separate Illinois Central forum, I guess this is the correct place to ask, seeing as IC is now a part of CN...
Did the GP11, SD20 and SW14 locos that IC (re)built in the late 70s/early 80s receive new 645 engines, or did they keep the old 567 ones?
Did the GP11, SD20 and SW14 locos that IC (re)built in the late 70s/early 80s receive new 645 engines, or did they keep the old 567 ones?