mounting a tractor tire

molinebob

Member
In the process of mounting a tire on my 44 john deere b, tire size is 13.6 x38. How much pressure do they hold, and how much pressure do you dare to put in them to get the beads to seat? Thanks in advance...Bob
 
i generally run 10-12 psi in most tractor tires. as low as 8 in some areas and as high as 15.. all in rears.. sidewall should show max seat pressure. if they don't seat, lube the beads up good with tire grease / vegi soap.
 
Be careful, the 30psi to seat the bead is for a new tire on a good rim. I learned this the hard way, use plenty of lube, go maybe 20lbs at most.
 
Some times it can be hard to read because it will be in small print. I know most say 30psi max but if I can I use less because even at 30psi if something goes wrong it can hurt big time if not kill
 
I would not worry about going to 30 lbs with lube on the bead. We used to run 25 Lbs. in the rears on all our tractors for highway mowing to repell debris.
 
(quoted from post at 17:14:23 03/22/12) In the process of mounting a tire on my 44 john deere b, tire size is 13.6 x38. How much pressure do they hold, and how much pressure do you dare to put in them to get the beads to seat? Thanks in advance...Bob

I don't know how wide your rims are but the 13.6 is pretty big for a B and needs at least 10 to 11 inch rims. If you have everything clean and lubed they should seat by about 15 psi.

If you have the narrow B rims (7 to 8") you will probably have issues seating them.
 

I have been up around 50 lbs to seat a tire. Then I dropped it back to about 15 and drove it around some and it finally came out.
 
I run 30lbs in my Massey with 13.6-28s. Every time I drop the pressure I spun the rim inside the tire and tore the valve stem out of the tube. I have done it four times over the years, usually when I'm plowing or pulling the subsoiler in hard ground. The last time it was 48 bucks for the new tube. Not to mention the pain it is to tear it down to install it. Its the only thing I could see to keep from doing it. Other than bolting the tire to the rim as some suggested.
 

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