Six Ply Rating

/ Six Ply Rating #1  

Recoveryhill

Gold Member
Joined
Sep 28, 2010
Messages
454
Location
St. Croix, Virgin Islands
Tractor
Kubota L3700SU
Does this mean six plies on an R1 tire or six ply wannabe in the marketing brochure? Six Ply Rating is stamped on the side wall of the tire.

My RF R1 went flat on me yesterday while working dirt, on the road. I pulled it a while ago and off to the shop. I got the bead seated easily and pumped her up. Right there, on the top side of the rubber, staring me in the face and blowing on my chin is a 1/4" slice through the tire, between lugs. It is too big for a plug, I'm sure, so tomorrow it will have to go to the tire shop for a dismount and inside patch.

Not that a flat tire is the end of the world or anything but in the land of sharp rocks, if I slice a tire every ten hours this is going to get old, quick. I keep 10 ply tires on my truck as cheap rubber is doomed here.

It's a Goodyear tire, for what it's worth. Any thoughts or experience with R1's here? My mountain spot is definitely not a rice paddy!
 
/ Six Ply Rating #2  
Your problem is not unique unfortunately,



If desired you can purchase rubber tire liners which will guard the tube in the tire from punctures for all four tires-it will not help with the tubeless tires unfortunately.

The six ply tread tubeless is about as heavy as one can go with R1-4 tires as the side walls become a very difficult mount-been there done that many times.

The product rule is this- the six ply in the tread and usually 2-4 ply in the side wall to allow less difficult tire mounting. this explains your difficulty with tires.

The option of 4 Mattracks for your tractor may be more beneficial as the treads are either metal or rubber depending on the model Mattracks for your tractor.
 
/ Six Ply Rating #3  
The OEM for whom I worked use R-1 or R-3 drivers for their most popular machine. They were available from the supplier in 8, 10, 12 & 14 ply so we offered them all. The guys with rocks went for the 14 ply tires because they couldn't get 100 hours out of a 8 ply in their conditions. Unfortunately the small size front tires are only available in lesser ply tires. I just looked in my Firestone Ag Tire Handbook and it looks like most common front tires on CUTs are available only in 4 & 6 ply rating. My B-I-L has a winter business selling firewood. He was getting so many flats on the fronts of his Kubota that he went with foam filling. As I remember it was pretty pricey so he didn't do that for the rears (he seldom had flats there anyway) but it is one solution.
 
/ Six Ply Rating #4  
I'd add tubes and liners. They even make liners now that are self healing, never used one myself. I add a tube to a tire every time it develops a slow leak or gets a flat, gradually they all get replaced. Kind of expensive to do it all at once.
 
/ Six Ply Rating #5  
not sure if correct explanation of ply.

by a higher ply rating = thicker rubber on tires, and/or tougher rubber. so less likely of a puncture.

i would check with different tire manufacturers. just not name brand tire manufacturers, for higher ply ratings for given size tire you need.

you might need to do a google search like "agriculture tire" or add in "dealer" to search terms. the "ag or agriculture" is needed in google search or you will end up with car and truck tires which does you no good.

no need to stick with manufacture of tractor and dealers. all tires seem pretty much set in standards. so multi tire manufacturers to choose from possibly.
 

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