I've done a search and I'm reading as many relevant threads as I can, but it would help me if I can get some recommendations and comments regarding my particular situation.
I need to replace my original equipment 5 year old Goodyear Wrangler HT (LT235/85R16E) tires on my 35 ft 5th wheel. I've had 3 problems with these over the years, so don't want the same kind of tire. The 5th wheel weighs about 13,500 lbs with about 2500 on the pin, so I need 4 tires for 11,000 lbs load. I'd like a generous fudge factor, so I'm looking for a capacity of around 3,250 lbs for each tire. I know that averages 500 lbs excess per tire, but I have never weighed each tire position separately. I have wheels that will allow 110 psi.
The Denman Express ST Radial, ST235/85R16E, 10 ply, 80 psi, 3640 lb load looks good. $135 each. Made in Mexico. I'm looking for comments, suggestions, recommendations.
I've done a search and I'm reading as many relevant threads as I can, but it would help me if I can get some recommendations and comments regarding my particular situation.
I need to replace my original equipment 5 year old Goodyear Wrangler HT (LT235/85R16E) tires on my 35 ft 5th wheel. I've had 3 problems with these over the years, so don't want the same kind of tire. The 5th wheel weighs about 13,500 lbs with about 2500 on the pin, so I need 4 tires for 11,000 lbs load. I'd like a generous fudge factor, so I'm looking for a capacity of around 3,250 lbs for each tire. I know that averages 500 lbs excess per tire, but I have never weighed each tire position separately. I have wheels that will allow 110 psi.
The Denman Express ST Radial, ST235/85R16E, 10 ply, 80 psi, 3640 lb load looks good. $135 each. Made in Mexico. I'm looking for comments, suggestions, recommendations.
Thanks.
Dean
I recommend Michelin XPS ribs for the trailer. Commercial tires with steel belts. Made in England. Pricey but I will get more than 100,000 miles on the rear tires and 70-80,000 on the steer tires.
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The Michelin XPS Rib is your best choice. I was under the impression that all 235/85R16E tires were rated at 3042#
Yes, but only if there is an "LT" in front of that 235. The Denman trailer tires are ST, not LT. Click on the following link, then scroll down to the last tire on the page. 3,640 pounds weight capacity @ 80 PSI. http://www.denmantire.com/catalog/22.pdf
Goodyear makes a similar trailer tire in close to that size. Marathon ST235/80R16E has a weight capacity of 3,420 pounds@80 PSI. Goodyear Marathon®
The Michelin XPS Rib is a great trailer tire, but they cost a great price too - $237.04 base price each at Sam's Club. Sam's Club - Michelin® XPS Rib® - LT235/85R16E
I have them on my pickup, but for my trailers I'd probably go with the Denmans and save a bunch of money up front. But for the F-250, I'll pay the extra and run the Michelin XPS Ribs.
I have Denman ST225/75R15E on my 16' utility trailer. And speaking of fudge factor, I need 1,500 pounds weight capacity per tire and those thave 2,830. I hate tire problems when I'm hundreds of miles from home with a trailer, which I often am. They seem to be a good tire so far. But it will be years before I can say they are as good as the XPS or the Cooper Custom Trailer Plus.
I've been running Cooper Custom Trailer Plus ST225/75R15D on my 5er RV, but I'll probably replace them with the E-rated Denmans next time I need new tires on that trailer.
Quote:
Originally Posted by dminz
...so I need 4 tires for 11,000 lbs load.
That's 2,750 pounds on each tire. The Michelin XPS would be over 10 percent fudge factor at 3,042 pounds capacity. That would be plenty for me. But if you want more fudge factor, the Denmans will probably be a good choice, as well as save you over $100 per tire compared to the expensive XPS.
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My Sierra Blanca is a '99.5 PSD CrewCab hot-rod Towing Machine! BTS tranny; TurboRamAir intake and 4" stainless turbo-back exhaust; DP-Tuner tunes flashed into an Edge Evolution tuner; ISSPRO EV gauges and TTM; AIC; SP-Diesel exhaust brake and torque converter controller. I special-ordered it new and plan to drive it until it quits.
Last edited by SmokeyWren : 07-20-2008 at 08:11 AM.
Reason: fine tune
I would check with your tire company to see it the LT265's would fit on your rims. That would bring you up to 3415. I would think a 16 x 9 rim would work.
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2002 F250 Stock PSD Crew Cab SRW pulling Same Montana as old truck
I would check with your tire company to see it the LT265's would fit on your rims.
They won't, per the tire makers.
Almost all trailers with 16" tires will have 6" wide rims. Those rims are fine for 235/85R16 or 235/80R16 tires. But LT265/75R16 tires require a minimum of a 7" wide rim.
Last edited by SmokeyWren : 07-20-2008 at 02:12 PM.
Reason: delete sig
I'm real ignorant about rims. I just know I'm getting the same size tire. The approved rim width for my old tires is 6.0-7.0. For the Denman's, it is 6.5. Is that close enough or is it something I need to look into further?
I appreciate all the good advice here, and I haven't seen anything that would keep me from getting Denman's. However, I may post the same question on an RV website just to make sure. That doesn't mean that I don't value the advice I've received here.
The approved rim width for my old tires is 6.0-7.0. For the Denman's, it is 6.5. Is that close enough or is it something I need to look into further?
Per the Tire and Rim Assn. (TRA), all tires in size 235/85R16 require a rim between 6.00" and 7.00" inches wide. The Denmans wouldn't be any different. I suspect Denman picked the 6.5" wide rims to calculate their specs, but it's okay to mount those tires on wheels that are 6", 6.5" or 7" wide. Of course, if you use a different width wheel than the one they used to calculate the published specs, then the tires mounted on those different width wheels will have slightly different specs for things like C.S. and O.D. But listing the specs for all possible different wheel widths would clutter up the table too much.
The main concern for trailer wheels is max inflation pressure they are designed for. Those Denman tires can hold up to 80 PSI, but some trailer wheels are designed for a max of 65 PSI or even 50 PSI. So look at the specs for your wheels (probably stamped on the inside of the wheel so you have to dismount a tire to see the specs). Your wheels are probably fine for 80 PSI, but you'd need new wheels if you decided to upgrade to load range G tires that can have up to 110 PSI.
Thanks. I replaced my wheels a couple of years ago with all-aluminum 110 max psi wheels. So I could use G-rated tires, if you recommend any of those as being better in my circumstances.
I hate tire problems when I'm hundreds of miles from home with a trailer, which I often am. They seem to be a good tire so far. But it will be years before I can say they are as good as the XPS or the Cooper Custom Trailer Plus.
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