Hydrostatic drives are supposed to be more efficient is what I've read. Anyway, work is work to the engine. If I'm cultivating or pulling a disc making the tractor work or using the skid steer, either engine is under a good load. The tractor probably more because it can be under heavy load for a long distance, while a skid steer is usually under heavy load for short bursts. Hydrostatic crawler loaders will out work a torque converter machine by about 3-1 but have about the same HP. In my case, the tractor has an AD3-152 Perkins which set fuel economy records. It's also a bigger engine than the Kubota, 152.7 cu inches vs. 113.5. Dave
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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