Swapping Wheels for a Wider Track

   / Swapping Wheels for a Wider Track #11  
Huh? if the downward load is out beyond the outer wheel bearing then that outer bearing is carrying 100% of the weight - in contrast to an original design that shares the weight equally on inner and outer bearings.
 
   / Swapping Wheels for a Wider Track #12  
I'm not at all familiar with the f-14d , so I was curious to find out, a google search provided images of several pages, each showing the wheels in the correct position, It appears that no one else cares to flip the front wheels,
Just saying!
Though I've not giving much thought as to why the wheels have such a shallow offset, I always thought it had to do with providing room for front wheel weights, I'm sure it has much more to do with it...
 
   / Swapping Wheels for a Wider Track
  • Thread Starter
#13  
I think I'll leave them as normal. Based on he above, it sounds like, with the wheels the correct way round, the centre of pressure is carried equally by inner and outer wheel bearing. Flipping the wheels will move the centre of pressure outwards, possibly overloading the outer bearing, or putting too much strain in the stub axle.
 
   / Swapping Wheels for a Wider Track #14  
Exactly, + it has no benefit.
 
   / Swapping Wheels for a Wider Track #15  
As far as reversing the front rims, I can't speak for Yanmar but I did it on my current Mitsubishi years ago. I have run close to 1000hrs (with loader) with this set up. I first did it because the front wheel track was not wide enough to straddle my front ditch. The front rim reversal made mowing it much easier......in fact it made a difference that allowed me to be able to mow it when I previously couldn't w/o often getting stuck or making a real mess. The old Iseki TX models were actually designed to run the front rim dish in either direction and the owner's manual gave the outline for the process and their wheel track dimensions when dished in or out. Many various make/model owners say their owner's manual say in no uncertain terms not to reverse the front rims.

I have had no ill effect other than increased steering and bump steer effect.....that said, my Mitsubishi and the old TX1300/1500's were obviously designed to handle the increased stresses of reversing the front rims and some make/models aren't. TBN member Ilikeurtractor actually posted a very good PDF engineering analysis based on actual data for a TX1300. When rims were dished out, it made an outer bearing stress increase of 63% and inner bearing increase of around 157%. While every machine is going to produce a different bearing load value, I suspect these numbers could be used as a good general reference.
 
   / Swapping Wheels for a Wider Track #16  
Due to the pivoting front axle the front end has no bearing on stability until/unless the pivot bottoms out, then it is going over anyway. The load extending out past the ends of the lightweight spindles has caused lots of broken spindles and prematurly worn bearings.

Not to mention the problem of steering with a full loader and no power steering. I wouldn't do it.
 

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