Detroit Diesel engines were labeled as General Motors Diesel cast in the block and I"ve seen some stamped in the rocker covers as well. Those engines were developed for buses and marine use,as well. Almost every landing craft used in WWII used at least one of them,depending on size. Charles Kettering was instrumental in their design as well as the Allison V-12 used in aircraft. GM was looking to get in on upcoming defense work with those engines and other projects. Having said that the chances are the conversion very probably was made after the war because the government was buying those as fast as they were being made before the war. A good way to check would be to get with someone from Detroit Diesel and have them do a serial number search on the engine in question. They have a data base for that. Should settle the question.
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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