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JD 720 std rear wheel question ....


 
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Crazy Horse
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PostPosted: Mon Feb 24, 2014 4:54 pm    Post subject: JD 720 std rear wheel question .... Reply to specific post Reply with quote

A friend of mine was working on a JD720 today in his shop and I was browsing the manual and a question came to mind. Why would such a large and heavy tractor have adjustable rear wheel width (by flipping the rim/hub configuration)? Would people actually use that as a row crop tractor? And would the geared spline system on the rear wheel hubs also be considered part of the width adjustment?
 
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Frank 41
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PostPosted: Mon Feb 24, 2014 5:32 pm    Post subject: Re: JD 720 std rear wheel question .... Reply to specific post Reply with quote

Would also depend if it had an adjustable front axle.
 
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Crazy Horse
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PostPosted: Mon Feb 24, 2014 7:13 pm    Post subject: Re: JD 720 std rear wheel question .... Reply to specific post Reply with quote

No, front axle width and wheel width is fixed, rear tires are 30" I believe, forget the width measurement of those.
 
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coonie minnie
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PostPosted: Mon Feb 24, 2014 7:37 pm    Post subject: Re: JD 720 std rear wheel question .... Reply to specific post Reply with quote

If one wanted to center a moldboard plow behind the tractor and operate in the furrow, adjustable tread width is handy.

And being that the 720 standard shared most components, including rear axles, final drives etc with the 720 row crop, it made sense to include such features as the rack and pinion rear tread adjustment.
 
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Tx Jim
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PostPosted: Tue Feb 25, 2014 4:29 am    Post subject: Re: JD 720 std rear wheel question .... Reply to specific post Reply with quote


720's were used for to farm rowcrops where I live.
 
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