Trent: I could never understand why manufacturers designed transmission and pto ratios to come up with desired speeds with diesel engine rpms in excess of 2,000 rpm. We buy diesels to take advantage of maximum torque basically anywhere above 1,500 rpm, plus giving fuel economy anywhere under 2,000 rpm. Then the industry cranks it up to 2,500 rpm with very little fuel economy over a gas engine.
I've been scratching my head on that one for many years. The numbers of light truck on the go with roughly 360 cubic inches turning 2,500 rpm, unbelieveable. IH were no different with those 06, 56, 66 and 86 series tractors, everyone of them could have developed same hp at 2,000 rpm yet pto ratio was designed for roughly 2,300.
I bought one of the Mickey Mouse diesels of all times 86 6.2 Chevy, a friend bought the same or so he thought. I specifically ordered 3.24 axle ratio giving me 60 mph at roughly 1,850 rpm. He had 4.10 gears giving him 60 mph at somewhere around 2,800 rpm. He bought 3 replacment engines for roughly 500,000 miles, got 15 mpg most of the time he had it. I put 600,000 miles on the original engine and got over 25 mpg the whole time. He had more starting away power than I did, but on the highway there was little difference.
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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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