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Old 02-06-2017, 12:53 PM   #21
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The heaviest Carlisle ST tires made are load range F with a maximum inflation of 95 lbs that I can see. I have had Carlisle, Mission, Kenda and Marathon ST tires on 12,000 lb fivers before and none of them ever lasted even with proper maintenance and air pressure. I switched to LT tires and never had another problem. My present 15,000 lb fifth came with Sailun S637 load range G Lt tires and they have been excellent.. They are now classed as an St tire but are are really an LT. They changed the designation so as to not have to pay import tax on an LT designation. To each his own. I am quoting my experience. Yours may differ.
Carlisle no longer makes Radial RH in 16" ~ since the improved HD took over.
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Old 02-06-2017, 04:17 PM   #22
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i need to say thank you for all the shared experiences. I actually feel better after reading them. the concensus seems to be that the goodyear G614 and the saliun tires are heavily built good load range G tires for towing the heavy trailers. the treads mentioned many miles and years of towing and no mention of bulges in the tires, separation of tread, or blowouts. keep the pressure up to 110 psi, take normal care and caution, put a tpms system on, and go out, hit the road, and don't worry about them. that's my plan! thanks to all who responded and shared.
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Old 02-06-2017, 05:15 PM   #23
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I don't want to hijack this thread, but I've got a question. I was at the Madison camper show on Saturday and noticed quite a few 5th wheels weighing 14,900# with two 7,000 axles under them. There was even a 5th wheel weighing 16,400# with two 7,000 axles.
Are these axles a little light for these weights? And yes I would squeeze between the trailers to read the stickers on the back side.
The reason why I did that is they had a 5er with a sign on it saying it was 1/2 ton towable. I told the dw that it looked to be a large trailer to be able to be pulled by a half ton. The weight on the sticker was 12,648#.
My 1/2 ton silverado has a total of 7000#, but I know it will pull my trailer weighing 7680# just fine on level roads. I haven't done it yet, my previous trailer was 7880# and the truck didn't even squat when I took it to the dump station when I sold it. I didn't use the wd bars.
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Old 02-06-2017, 06:22 PM   #24
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dear scrapper, great question!!! I've been wondering about this for a long time. take that 16,400 weight. i have read that 15% - 20% of the trailer weight is on the pin. 15% is 2460 lbs. subtract this from the 16,400 and you get 13,940 lbs on the two axles. factor is a bit of imbalance between the two axles and one of them has to be at the limit if not over. if the pin weight is 20% things get a bit better. to me the 7,000 lb axles would be the limiting factor (not the tires).


i weighted the trailer when we first got it and i was ok but now that i know more it's going to get weighed again on our first trip.


here's another thing I've been wondering about. it was stated in the treads that the goodyear and sailun tires weigh up to 100 lbs more that the stock load range E tires. so that's 400 lbs more if you upgrade tires. but does that put any more stress on the axle or trailer frame. yet that additional 400 lbs is counted against the GVWR of the trailer? why?
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Old 02-06-2017, 06:25 PM   #25
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G614 weighs about 30# more than an "E' tire
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Old 02-07-2017, 12:30 AM   #26
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Quote:
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G614 weighs about 30# more than an "E' tire
The G614 is a steel cased tire. It's also regroovable & retreadable and 2 load capacities above a like sized LRE. Normally that design will have compounds in the sidewall and tread areas much more dense than that lower rated tire. That also adds more weight.
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Old 02-07-2017, 11:54 AM   #27
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Originally Posted by CaptnJohn View Post
Carlisle no longer makes Radial RH in 16" ~ since the improved HD took over.
The HD was the tire I was referring to. Load range F is the highest they go.
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Old 02-23-2017, 07:41 PM   #28
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My DayDreamer had 614s and 7k axles from the factory 11 years ago. Never issues with 614s. After 6 years FR replaced all wheels and tires and installed 8k axles. My new Champagne has 8k and 17.5s.
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Old 03-06-2017, 09:11 PM   #29
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My Cedar Creek 32RL came with 7,000lb axles and Goodyear G614 tires and I must have 25,000 miles on the tires and even as I say I start out running 63mph before the trip is over I'm going 75 or better. I have had no problems with the G614, I have a TPMS on the tires. TST 507
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