some answers for the mysterious steering wedge.

randy hall · Dec 8, 2013

if it works right I have a scan from a 1960 tractor supply catalog on the wedge and a scan from an introductory super m dealers sales bulletin dated February 22 1952. which shows ih did change the angle to the same as an m with the wedge.

GordoSD · Dec 8, 2013

In building motorcycles it is called "rake" . Those radical choppers with extended forks have massive, rake. Your Husky 360 cc motocross has very little. Same principals at work. Your kids tricycle has almost zero.
The more the front is out the more effort to move it, and the more tip over and "wobble" can happen.

Anonymous-0 · Dec 8, 2013

Thanks for taking the time to post, Randy. Very informative.

gene bender · Dec 8, 2013

Consider the source "TSC" It has been printed in Guy Fays I-H book and others about I-H moving pedestal back for better steering. Has anyone else ever used one Dealer even said at the time dont put it in backwards and also be careful when backing up with the new wedge about steering.

CenTex Farmall · Dec 9, 2013

Ape Hangers!

mkirsch · Dec 9, 2013

The more the front is out the more effort to move it, and the more tip over and "wobble" can happen.

Except, the ad says to put the THIN side to the front.

That would tip the front end further FORWARD, wouldn't it?

IIRC the H and M already have negative caster, which is why the front wheels tend to "shimmy" at high speeds, much like the caster wheels on a shopping cart.

This takes some of that negative caster out.

Anonymous-0 · Dec 9, 2013

An H low rider! Low...Ri...Der.....

Glenn F.

kevinj54 · Dec 9, 2013

(quoted from post at 10:22:20 12/09/13)

The more the front is out the more effort to move it, and the more tip over and "wobble" can happen.

Click to expand...

Except, the ad says to put the THIN side to the front.

That would tip the front end further FORWARD, wouldn't it?

IIRC the H and M already have negative caster, which is why the front wheels tend to "shimmy" at high speeds, much like the caster wheels on a shopping cart.

This takes some of that negative caster out.

I think the idea was to make for easier steering with cultivators and such, not a road gear improvement.

Janicholson · Dec 9, 2013

All Letter and later series have positive caster, no negative (I have measured it) the later tractors (XXX) have the caster at the reduced angle from the factory. Jim

randy hall · Dec 9, 2013

I thought it was pretty self-explanatory unless you don't believe what international said about their own tractor

rustyfarmall · Dec 9, 2013

(quoted from post at 13:32:20 12/09/13) I thought it was pretty self-explanatory unless you don't believe what international said about their own tractor

Randy, not only did you explain it in black and white, but you also showed us a picture. Can't do any better than that, but even with all your efforts, there are still some folks who just don't get it.

Aces · Dec 9, 2013

mkirsch Is right, but you do need good bearings and good gears to stop the shimmy.

rankrank1 · Dec 9, 2013

Excellent post Randy as it contains both pictures and words. You just can not do any better than that.

Your post matches exactly with Dslater statement in the other thread about the thin part even being stamped front. I have read enough of Dslater posts to have confidence that he more than knows his stuff on the old farmalls.

some answers for the mysterious steering wedge.

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