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Old 01-09-2012, 08:41 PM   #1
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Kelly Springfield Tires

Got quotes from local commercial truck tire dealer for possible replacement of my 7 year old GY G670's. Bridgestone R250ED $625 each installed, G670's $670 each and Kelly Springfield $325 each out the door. He highly recommends the Kelly's saying he has put many of them on class A's and trucks.

My G670's are 275/70/22.5 and he highly recommends going with a 255/70/22.5 regardless of tire brand. He claims the 275/70 is so unique to RV's that on-the-road timely replacement is nearly impossible.

So, anyone have any experiece with Kelly-Springfield. He says the Kelly tire he is quoting is 16 ply like the G670 and Bridgestone.
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Old 01-09-2012, 08:57 PM   #2
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Would that be a 255/75R22.5 he is recommending? A 255/70 is a noticeable smaller tire than a 275/70, over an inch difference in tire diameter and around 18 rev/mile difference in wheel speed. A 255/75 would be pretty close to a 275/70.

The main reason for the big price difference in the Kellys is the difference in size, moving you from a low volume production tire to a high volume one. That brings the unit price way down. I changed my rears from 295/80 to 11R22.5's for the same reason. It is a nearly identical size but 30% cheaper because it is a common truck/trailer tire.
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Old 01-09-2012, 11:40 PM   #3
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2 months ago we replace our 6-G670's with Kelly tires-size 245/70R/19.5. Our G670's were load range F and the Kellys are load range G. We were running 80 lbs all around on the G670's and now run 90 lbs in the front and 95 lbs in the rears. Ride is not quite as soft as the G670s but handling is very good. Make sure you get a good spin balance on all tires and have the front end alignment checked to make sure its OK. So far--satisfied!
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Old 01-10-2012, 12:13 AM   #4
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Just make sure you get the proper load range. We have had a lot of trouble with handling and when we went to replace our tires found that the tires it was sold with were too light of load range and allowed a lot of give in the sidewall. We replaced with proper load range and it has made a world of difference in how well it handles.
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Old 01-10-2012, 12:53 AM   #5
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Quote:
Originally Posted by smlranger View Post
Got quotes from local commercial truck tire dealer for possible replacement of my 7 year old GY G670's. Bridgestone R250ED $625 each installed, G670's $670 each and Kelly Springfield $325 each out the door. He highly recommends the Kelly's saying he has put many of them on class A's and trucks.

My G670's are 275/70/22.5 and he highly recommends going with a 255/70/22.5 regardless of tire brand. He claims the 275/70 is so unique to RV's that on-the-road timely replacement is nearly impossible.

So, anyone have any experiece with Kelly-Springfield. He says the Kelly tire he is quoting is 16 ply like the G670 and Bridgestone.
Most tire places will tell you it's illegal to put smaller tires on than the rig came with, and they're right, for at least passenger cars. Trucks and RV's may be different.

Are the tires rated for the weight of your rig? If not, then there is no way you should go down in size!

The 255/70R 22.5 is listed as a trailer tire with a max of 5,510# single and 5,070 dual.

A Michelin 275/70R 22.5 XZA2 Energy is rated for 6,940 and 6,395 dual.

That's a big drop in capacity.
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Old 01-10-2012, 11:17 AM   #6
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All good advice above. Get down to the facts - have the dealer look up the Kelly's specs for load capacity, tire diameter, revs/mile, etc. and see how they compare to what you have, and to the actual weight the tires will have to carry on your rig.

There is nothing wrong with the Kelly tire per se - it is a decent brand of tire. Just make sure the tire he is proposing will do the job. If not, ask for a size more consistent with your needs.
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Old 01-10-2012, 02:32 PM   #7
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Quote:
Originally Posted by smlranger View Post
Got quotes from local commercial truck tire dealer for possible replacement of my 7 year old GY G670's. Bridgestone R250ED $625 each installed, G670's $670 each and Kelly Springfield $325 each out the door. He highly recommends the Kelly's saying he has put many of them on class A's and trucks.

My G670's are 275/70/22.5 and he highly recommends going with a 255/70/22.5 regardless of tire brand. He claims the 275/70 is so unique to RV's that on-the-road timely replacement is nearly impossible.

So, anyone have any experiece with Kelly-Springfield. He says the Kelly tire he is quoting is 16 ply like the G670 and Bridgestone.
I would sure like to do that too if it works right. These RV low production tires are outrageous in price!
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Old 01-10-2012, 02:37 PM   #8
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Quote:
Originally Posted by smlranger View Post
Got quotes from local commercial truck tire dealer for possible replacement of my 7 year old GY G670's. Bridgestone R250ED $625 each installed, G670's $670 each and Kelly Springfield $325 each out the door. He highly recommends the Kelly's saying he has put many of them on class A's and trucks.

My G670's are 275/70/22.5 and he highly recommends going with a 255/70/22.5 regardless of tire brand. He claims the 275/70 is so unique to RV's that on-the-road timely replacement is nearly impossible.

So, anyone have any experiece with Kelly-Springfield. He says the Kelly tire he is quoting is 16 ply like the G670 and Bridgestone.
Kelly Springfield I believe is owned by Good Year. My Dad's trucking company used to run Kelly's all the time on all his trucks and trailers and I remember him preferring them even over Michelins. That was years ago. Unfortunately, I don't have anything other than word of mouth on Kelly's.
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Old 01-10-2012, 02:43 PM   #9
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Quote:
Originally Posted by Gary RVRoamer View Post
Would that be a 255/75R22.5 he is recommending? A 255/70 is a noticeable smaller tire than a 275/70, over an inch difference in tire diameter and around 18 rev/mile difference in wheel speed. A 255/75 would be pretty close to a 275/70.

The main reason for the big price difference in the Kellys is the difference in size, moving you from a low volume production tire to a high volume one. That brings the unit price way down. I changed my rears from 295/80 to 11R22.5's for the same reason. It is a nearly identical size but 30% cheaper because it is a common truck/trailer tire.
So Gary what would be a good change from 245 70r19.5 and still work well?

Kent
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Old 01-12-2012, 08:18 PM   #10
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So Gary what would be a good change from 245 70r19.5 and still work well?
Sorry, I don't have a clue about that size. You need to study your tire specs (all the companies publish that data in their brochures and on their websites) and then seek some other sizes that area near match. Yes, it is drudge work. Then see if any of those sizes might be priced significantly lower than your OEM tire. You might be able to short cut by calling some commercial tire shops and asking if they have any suggested alternatives for that size, then double check their suggestions in the spec tables.

I'm guessing you now have Michelin XRVs in that size - that's a common RV tire. Check the prices for other manufacturers such as Cooper, Bridgestone, Hercules, and Hankook. You may find you can pay a lot less without changing sizes.
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