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CNKS
04-01-2007 11:40:42
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Re: Farmall H M widths in reply to Hugh MacKay, 04-01-2007 03:07:42
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Hugh (if you still get an email notification when someone responds, otherwise someone else will ask about this sometime. I have not personally measured the axles or housings. Only going by what the operator's manuals say. I have an H and an M, and the operator's manuals for both. Also a Super H and manual. The minimum tread on an H is 44 inches, Super H 48 inches, M, 52 inches. So you are correct in that the minumum tread width between the Super H--up? and M is 4 inches, I am correct in that the minimum tread width between the straight H and M is 8 inches. Max on the H is 80 inches on the SH 88 inches. I thought the SH axles were longer, rather than the housings being a different length. I also have a 460, but that number gets confounded by double bevel rims. I also have no argument with your desired tread width of 72 inches for stability. But, around here 30 inch rows are common. Thus for row crops, wheels are set at 60 inches. I worked as an agronomist for Kansas State for 29 years, also drove tractors frequently during the summer. JD 3020, 4020, 4230, mainly. Wide front and rears were at 60 inches. The tractors were not at all unstable, but we are flat here, on the side of a hill they would probably be kind of squirrely. I got "hung up" on a terrace one time, and got someone else to move the tractor, I was afraid it would tip over -- I was pulling an implement about 4-5 mph, and the terrace was not uniform, I got too much of an angle before I knew what was going on--due to lack of familiarity with that particular field. Although flat, I think I have a good feel for how much angle is too much, I accidentally got there. Was going to set the rears on my SH to 60" just because I was used to that, but 68" is the min width with them dished out.
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