allen in ne possible wf headache cure

Yep, that makes sense; I think the 806 and 756 would have had the same front end.

Must be the picture or something, 'cause they are not toed out at all. I found a little slack in the innter tie rods being loose to the steering arm. Tightened that up and the old girl is in pretty good shape except for the pivot pin, which needs to be replaced yet.

Got the welds cut off of the wishbone bolster and did some engineering on the mounting bolts.

I dunno, I think I'm just gonna live with the "wrong" front end. It is functional except for that turning radius and I really don't want to drop a grand on the correct one. :>(

Thanks,

Allan

The correct approximate geometry of an axle with the radius arms on the rear side of the spindle, has the radius arms pointing to the center of the rear axle when the tires are straight ahead. This causes the inner wheel to turn more than the outer, on a sharp corner.
I hope I helped some, JimN

A (theoretical) line, extended from the rear axle, in the direction of the turn, will be intersected by a single point where the centerlines of the front wheel spindles cross each other, and the rear axle line. This point is the exact center of the turn being performed.

With regular steering linkages, this is only an approximation at best. Any time either tire is dragging, or pushing it is wasting energy that is hindering the actual turn.

In a Left turn (for instance) with a WFE having its track set to the same as the rear wheels, the left tire would need to be turned entirely perpendicular to the straight ahead position. This is usually not possible due to the tierod angle becomming excessively straight to the radius arm and/or going "overcenter". Thus they are often not going to spin like a trike.

Just an interesting topic.
JimN

Not to put too much of an argument on this, but I think ya have your terminology confused. You're talking about the spindle steering arms, aren't you?

Radius arms don't move at all other than a liner sideways roll on their ball. They hold a static caster under the forward, center of the tractor.

The inside turning wheel will track "short" because of it's "lean". Since tractors are put into "tight" turns, they have an exaggerated positive camber built in.

It's what gives 'em that "bulldog" look.

Allan

We have it figured now.

The lean in of the spindle vertical shafts is equal to King pin inclination. this causes jacking of the whole front when turning (both sides). the effect is to cause self streightening of the system. (return to straight ahead)
The angle of the spindle arms from straight back, determine to a large degree how much each wheel turns at any specific angle of turn.

I love it. and I hope Your Hydro gets as much OOMPH forward as in reverse, for the price of a fitting or gasket.
JimN