Re: wondering

Posted by john d on January 11, 2001 at 19:49:11 from (205.188.192.179):

In Reply to: wondering posted by Old M on January 11, 2001 at 17:30:58:

Weight's gonna depend a lot on whether there is fluid in the rear tires, and how many wheelweights are on each side. Figure something over 5500 lbs.
Horsepower is an even bigger shot in the dark. When they left the factory 50 or more years ago, they were rated at less than 40hp by Nebraska tests. But....when the engines were overhauled, most farmers opted for the thin-wall sleeves and oversized pistons that moved the displacement up from about 248 cid to about 264 cid, which was the same size as a stock Super M. That pushed the horsepower into the mid-40's. By 1960 or so, when lots of these things were still in the field and needing a second or third overhaul, some of them got high compression pistons from M&W or the "Firecrater" treatment from IH themselves. At this point, lots of farmers figured the old thing was paid for, and deserved one more chance at keeping up with the newer stuff that was out there, so they put in improved governors along with the new sleeves and pistons, turned up the rpms, and made the old machines earn their keep. The design is so basic and rugged that the result was a tractor which performed much better than it did when new, and is a pure pleasure to listen to under load. I've got a '49 M that's had the treatments mentioned, and dynoed at 52hp.

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