 It is really difficult to tell you exactly what a re-power costs because no two are ever the same, and if you are like me I do a lot of other things while I am there, like repainting, fixing the three speeds, new PTO shafts etc. I have only used one new Cummins engine, I try to pick up used or rebuilt ones out of tractors, road graders, power units, irrigation systems, or better yet gen sets. I can normally pick up a 5.9 industrial engine for about $4,500 and you will have another $1,500 in parts depending on how the engine is set up. I figure I have about $8,000 to $10,000 in a good repower, but I have an all new tractor when I am done and the engine will last 10,000 plus hours and has tons more power and tork than origional. If you are using the tractor for farming, it is cheaper to repower and get the extra power and life then to rebuild the engine that you have. If you are just hobbying around or use the tractor to play with, then you are probably better to rebuild what you have and save some money. We use our Olivers and Molines pretty hard, and like the reliabilty, easy starting, and power of the Cummins engines much better. We are running 4 repowers and number 5 and 6 are looming. Here is the mighty 1850 Cummins repower chopping corn last fall. This tractor is turning 155 HP with a side turbo 5.9L Cummins engine. If you run that tractor all day to the chopper you will hear it in your dreams all night :-)
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