My grandpa has a (1975???) 5000 with a M&W turbo. I dynoed the tractor and at 540 PTO speed it only made about 65HP. Pulled it down to 500PTO RPM and there the more you pulled the dyno down the more the HP shot up and the engine didn't pull down. Even after correcting for the lower RPM it was over 90HP. I didn't hold it at that power for long because the pyrometer shot up in a hurry and I let off of it before it started to melt pistons. Grandpa told me when he used the tractor years ago on a grinder/mixer it had a lot of power but you had to watch the pyro really close to keep from melting it down. I robbed a K&N air filter off one of my pulling tractors and put it on the 5000, it didn't change the power hardly any, but it seemed to help keep the EGT down.
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Today's Featured Article - An AC Model M Crawler - by Anthony West. Neil Atkins is a man in his late thirties, a mild and patient character who talks fondly of his farming heritage. He farms around a hundred and fifty acres of arable land, in a village called Southam, located just outside Leamington Spa in Warwickshire. The soil is a rich dark brown and is well looked after. unlike some areas in the midlands it is also fairly flat, broken only by hedgerows and the occasional valley and brook. A copse of wildbreaking silver birch and oak trees surround the top si
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