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 - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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