IH sickle bar mower questions

dennis james · May 12, 2015

I recently bought a used IH sickle bar mower. Not sure what model. Has single wheel in back and mounts on tractor drawbar. Have not been able to hook it up yet because do not have correct hardware. Anyway, it appears that if I center the mower pto drive shaft behind the tractor the sickle will not clear the right rear tire. And if I shift the mower to the right in order to clear the tire, then the PTO drive shaft will be running at an angle. Is that the proper way to do it? Or does the pto drive shaft need to run straight back? Maybe my tractor is just too wide for the mower? Any ideas?

sd pete · May 12, 2015

It could be a 25v 27v or one of many others. You will have to slide the tire in.

jCarroll · May 12, 2015

Running the PTO at a 15-20 degree angle will be OK if the u-joint yokes are in phase.

pete 23 · May 13, 2015

Keep equal and opposite angles on pto knuckles, in phase and it will be just fine. Had to be real careful about doing that when running high horsepower tractors on the dynamometer. In other words, don't run one knuckle at an angle and the other one straight or you don't cancel out the changes in velocity . Art Warsaw(owner, & designer of A & W dynamometers) gave me a lesson on that.

IH sickle bar mower questions

dennis james

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sd pete

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jCarroll

Well-known Member

pete 23

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