John Deere 850 front tire

Larry Purtell · Sep 10, 2014

My John Deere 850 tractor has a flat front tire which needs to be replace. The tire says 7-14,no other size information. The manual says the tire is a 5.00-15. Which is it?

Traditional Farmer · Sep 10, 2014

Probably depends on whether you're running ag tires or lawn type tread.

Bob · Sep 10, 2014

I don't think you can argue with the size shown on a TIRE!

According to the parts catalog, for serial numbers over 16,001, there was an option of 14" or 15" front rims.

Looks like you got the 14" version.

And MAYBE the OM for the older version?

Brendon-KS · Sep 10, 2014

I believe the 7-14 was the bar tire used on 4WD models while the 5-15 is the rib tire for 2WD models.

Larry Purtell · Sep 10, 2014

The tractor is a 4-wheel drive and the tires are the cross bar type.

Dan in North Houston · Sep 10, 2014

There are actually three options for fronts on an 850. I have the 5.00-15 on my 2 wheel drive, which is the conventional skinny front tractor tire. But one of the options was for turf tires, where the tractor was equipped with smaller and wider tires on both the front and rear. The 4WD model fronts would be the third option.

John Deere 850 front tire

Larry Purtell

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Traditional Farmer

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Bob

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Brendon-KS

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Larry Purtell

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Dan in North Houston

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