Tires tires in wide stance

   / tires in wide stance #1  

clemsonfor

Super Member
Joined
Sep 11, 2009
Messages
9,785
Location
Greenwood Co., SC
Tractor
Yanmar YM2000
Im thinking of switching the tires to the wide stance from narrow (i have a ym2000). How much width will i increase in my tracks. My only drawback to doing it is if my disk is narrower than my tires i will leave tracks. Does anyone have pics of their 2000 from the back with the tires in the wide stance?
 
   / tires in wide stance #2  
You will get about 6" total to outside of tires
 
   / tires in wide stance #3  
Here is my YM-2000 with the wheels in the wide stance.
 

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   / tires in wide stance
  • Thread Starter
#4  
Thanks for the pic, Dzel and the measurements smoody. I think i may as well swith them, thats not much of a defference to worry about a disk not covering any way. Looking at the offset on the rim i figured that there was only about 3-4 inches to gain per tire, which is right on with the advice. But wider is better so i will swap, esp. before i decide to put water in them, i dont want to try and rotate filled tires and dont want to drain them to do it. The pic looks wider but not very much but you can tell its wider. Will give me more clearence to help worry about the chains loosening and the bushhog catching one of the paddles on the tire and ripping it off or worse! Since i probly will only plow foodplots tire tracks will not matter
 
   / tires in wide stance #5  
Clemson, when you go to switch your rear tires be sure you support both right and left rear axles as the front axle pivots and the tractor will not be stable if you only use one jack under the rear end. I all but had one to fall doing this.
 
   / tires in wide stance #6  
Here is a pic. with a YM2000 and a RS1400 tiller with the tires reversed.I will note that the valves are not as easily accessible.

Carey
 

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   / tires in wide stance
  • Thread Starter
#7  
keith thanks for the tip. im gald you told me. I had planned on supporting both sides as i did not know about strain on the rear axle itself? but i will make sure i jack then use my stands on the sides.

CArey that is the pic i wanted , i can see enough diff from mine that im sure i want to do it now.
 
   / tires in wide stance #8  
keith thanks for the tip. im gald you told me. I had planned on supporting both sides as i did not know about strain on the rear axle itself? but i will make sure i jack then use my stands on the sides. .
I think you may have misunderstood, wasn't so much of the strain put on the rear axle but more for safety reason,
supporting the rear from both sides is to keep the tractor from falling over one way or the other, the front of the tractor rest on a pivot center of the axle
and by using just 1 jack at the center of the rear housing will make it susceptible to tilt over when removing the wheels, although while wheels are still on the tractor you may jack by center and slide jack stands or some adequate support under each side of rear axle before removing the wheels,
The frontend works kind of like the same princible as this picture, so any weight shifting could cause the tractor to fall over with the use of only a center support,
 
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   / tires in wide stance
  • Thread Starter
#9  
Deep, i totally understood, i guess i was a little vauge. I understand that the front axle is just connected via 1 piviot point so when you support the middle of the rear the tractor will want to flop over, kind of like the first time i jacked a suburban up with 1 jack in the front and 1 in the rear, did not go so well had to have some one hold the side while i let the rear down, still remember that moment. I was just pointing out i had though to support both sides of the rear b/c of the tire size and worried about the weight change when i pulled one off of 1 side. Thanks for making sure i would have hated to have the tractor fall over, or anyone else who may be readin g this and have not understood.
 
   / tires in wide stance #10  
Deep, i totally understood,

OK! :eek:
I thought perhaps you were concerned of doing dammage to the rearend by jacking on it at some weak point and would cause a strain on the rearend,
...
 
   / tires in wide stance
  • Thread Starter
#11  
Finially swapped them thismourning. I figuried that i would post some pics so that anyone searching this thread can see the before and after in the same perspective on the same tractor.

After fooling at forestry forum adding my pics there (just rememberd that i could put them on this site) to post here. Would be a lot easier if i could just add them from my computer.

-Nate
displayimage.php


displayimage.php


And me bushhogging?

displayimage.php
 
   / tires in wide stance
  • Thread Starter
#12  
that did not work? Why is this stuff so hard?
 
   / tires in wide stance #14  
very noticeable, wouldn't it by nice if the rear fenders would move over as well, some of us could use all thr room we can get:D
Oh! have you reverse the front wheels?;)
 
   / tires in wide stance #16  
I've read, and agree, it's not a good idea to reverse the front wheels.

In stock configuration the load is centered between the inner and outer wheel bearings. Reversed, the load is concentrated at the tip of the spindle. Yanmars (and other tractors) occasionally snap off spindles and drop the front corner of the tractor to the ground. On a bad side slope is where the spindle bears the greatest load, and that would be a poor place to break one.
 
   / tires in wide stance #17  
I've read, and agree, it's not a good idea to reverse the front wheels.

In stock configuration the load is centered between the inner and outer wheel bearings. Reversed, the load is concentrated at the tip of the spindle. Yanmars (and other tractors) occasionally snap off spindles and drop the front corner of the tractor to the ground. On a bad side slope is where the spindle bears the greatest load, and that would be a poor place to break one.
yes this was a bit of my concern when I installed the extra weight of a FEL
however while no extra weight on the front of the tractor I didn't relize would be that much of a concern, and while now with the FEL on my tractor i can feel the handleing difference when moving the wheels back to stock, it does not feel good when cornering, the wider stance seems to ballance the FEL better, though I do realize I am asking for problems if left this way, I am on the search for some larger wheels that will have center offset/backset,
approx 5 1/2-6" wide x 13"-14" wheel, the kicker on finding these wheels are the wide 5"x 4 bolt pattern, and also the large 3"center hub hole, I may simply have to custom build some wheels using the center plates of these old 12" wheels,.. here is the stance of the front wheels being reversed, Thereare approx. 4 inch wider span, some tractors have wheel weights and cannot reverse the wheels,
 
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   / tires in wide stance #18  
You really do not gain mush by reversing the wheels and you increase the stress on stressed parts tremendously. Let me explain. since the front axle is designed to rock back and forth--if it did not we would be running around with one wheel in the air most of the time as very few places are perfectly flat. I do not know the angle that the front axle hits the stops, but until it does there is no "increase in stability." Hitting the stops is already exceeding my comfort zone!

The perceived increase in stability may come from the aggressive positive behavior when turning. This is caused by the increase in the angles caused by increased distance the tire is from the pivoting point. This increased angles also multiplies the forces on the tire, wheel, steering components and, perhaps most importantly, the spindle itself. It is not the straight down load that will kill the spindle it is the increased angle and side stresses that will break things.

Just my opinion.

Mike
 
   / tires in wide stance #19  
Sort of relevant:

I don't know what the previous owner did to break these front wheels but he made a mess of them. And one is a replacement obviously salvaged off another Yanmar. It still shows "$25.00" written on it.

I was told this tractor was used for mucking out riding stable stalls for its first 10-15 years. Maybe the owner kept sliding into curbs or something.

I've had the steering wheel wrenched out of my hands a few times which I thought might at least bend these patched wheels, if not crack them again.

I bought a pair of replacement wheels so I'm ready if one of these cracks. But so far, six years, I haven't needed to use them.
 

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   / tires in wide stance #20  
OK---> Front wheels reversed = will break tractor:D got-cha!
 

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