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Tow adjustment

G

Goodman

Member
Hey Guys. Hope all had a great 4th.
Curious to know opinions on tow in on Front tires on Super A or any other tractor for that matter. How much and why? My opinion was always long a you have a some tow in helped it steer much better in loose plowed soil.

Thanks
 
(quoted from post at 06:48:46 07/05/11) Hey Guys. Hope all had a great 4th.
Curious to know opinions on tow in on Front tires on Super A or any other tractor for that matter. How much and why? My opinion was always long a you have a some tow in helped it steer much better in loose plowed soil.

Thanks
Click to expand...

I think a ball-park figure would be about 1/4" of toe-in. That should be close enough for just about all tractors
 
toe in is for the tendancy for the tires to tow out when driving. on a vehicle for example if you set it with 1/8" toe in, then at highway speed the tires should be running at 0 toe in. radial tires required less toe in, and were set closer to zero.
 
(quoted from post at 07:42:02 07/05/11) toe in is for the tendancy for the tires to tow out when driving. on a vehicle for example if you set it with 1/8" toe in, then at highway speed the tires should be running at 0 toe in. radial tires required less toe in, and were set closer to zero.
Click to expand...

If you set the toe-in at 1/8", or 1/4", it will remain that way whether the tractor, or car, truck, whatever is parked or rolling down the highway. Toe-in is what keeps the vehicle moving forward in a straight line without the need to be constantly fighting the steering wheel.

Too much toe-in will cause excessive tire wear. Too little will quickly take the pleasure of driving away.
 
I set mine yesterday at 1/4" so it was good to see that
confirmed by someone. I was just curious what others were
doing and how well it worked.
 
if you set toe-in at 1/8", or 1/4", it will remain that way whether the tractor, or car, truck, is parked or rolling down the highway.
NOT SO...
on a Rear wheel drive vehicle , the front wheels are pushed and tend to toe out. tie rods, idler arms have built in spec's which allow this.once running down highway the wheel are running parallel to each other and should be at zero toe in.
on a Front wheel drive, the front wheels tend to pull themselves forward and create toe in. that is why they are set with a slight toe out or close to zero.
toe in enhances staight line stability.
positive caster also enhances straight line stability.
 
to the experts -- in the case of an offset, 1st step should be to make sure the steering arm is in dead center
2nd- make sure each steering arm-to-steer spindle measurement is exactly the same
3rd-measure to the center of each tire, halfway up on the front tire front & back to give you where to measure the toe
4th THEN measure & set the toe
?
 
As athol carr said - the manuala specifies 1/8 - 1/4"

A little toe in just helps keep the wheels straight while driving, even (or especially) at slow speeds.

If you're in the dirt, you're constantly correcting anyways, but if you're driving on a road it does help. One of those things you don't NEED, but why not just do it right.

By the way - that measurement is comparing the rear of the rim's edge (between left and right wheels) to the front edge of the rims (left and right). So it's very slight - best to measure. If you're doing it by eye, you're probably way off.

Going more than 1/4" would cause excessive tire wear... but in reality, you'd either have to do a LOT of road driving, or have a LOT of extra toe in for it to be a real problem.
 
For the record, MFWA tractors run 0 toe. The JD 8210 book suggested not more than 1/8" + or - of 0. The 2wd tractors run 1/4".
 
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