Q&A on tires you use for trailering your Jeep |
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3654 |
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Posted: 18 June 2017 at 8:46pm |
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This thread was started so we could share good and bad experiences with the tires we use on the trailers we use to haul our Jeeps.
So far, we've discussed that ST trailer tires are only speed rated for 55 MPH, but a 65 PSI Load range D may be run at 75 psi to be OK at 65 MPH
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rocnroll
Member Sponsor Member Joined: 20 July 2005 Location: Tuscumbia, AL Status: Offline Points: 13585 |
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I like (and have had good luck) with my Carlisle USA Trails non-radials.
Have read that others here haven't (had good luck) but that's what I will continue using until I experience what others seem to be......poor tread wear I believe we're the claims. Just what I use ....not trying to change anybody's mind. |
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3654 |
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Roc - Next time you walk by your trailer check out the first 2 digits of the DOT. Is it CY?
It looks like only the USA Trail is made in the USA, all the other Carlisle "Trail" tires are Chinese. I suspect yours are Nylon Ply Bias tires and should perform quite well if you keep your speeds below the "standing wave". I'm hoping we can keep our thread specific to trailers used to haul Jeeps. Most of the posts about trailer tires I see online talk about "bad batches" and folklore like that. The evals are mostly biased by owners of travel trailers that were manufactured with a tire size (load capacity) that was marginal when the manufacturer installed them. (before you added luggage, spares, groceries, more luggage, sporting goods, beer, spare gas etc.) I do see some that were only overloaded due to a lack of adequate inflation pressure caused by a bad valve stem (or not proper high pressure stem) or a fatigue crack in a wheel that leaks.
Edited by Joe Friday - 18 June 2017 at 11:24pm |
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rocnroll
Member Sponsor Member Joined: 20 July 2005 Location: Tuscumbia, AL Status: Offline Points: 13585 |
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Will check the letters tomorrow.
These are the tires on the trailer that I haul the Jeep on as the title of the thread stated. The discussions I was referencing were a thread here sometime in the last year I believe. Best I remember a couple of people were talking about not getting adequate tread life out of their Carlisle's to suit them. They are bias plies....I don't haul on radials...just a personal preference. Also have no idea whether my speeds are below the "standing wave" or not. Edited by rocnroll - 19 June 2017 at 4:26am |
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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Lee MN
Member Joined: 13 Aug. 2008 Location: Harris, MN Status: Offline Points: 4950 |
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Joe perhaps we could add my thread from last year on this topic (if it can be found) you provided great info there!
Lee |
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LEE
44 GPW-The Perfected Willys 49 2A “If you wait, you only get older” 67 M715 American Made Rolling History |
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3654 |
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Right.
I've seen your trailer. I like the Jeep hubcaps. I only mentioned the travel trailer bit because I tried to do some research on other sites and it was a waste of time due to the travel trailer blogs. Bias ply typically sways less and is less harsh. You'd know if you hit the standing wave. google it. Your tires would fall apart in minutes.https://www.youtube.com/watch?v=DL8zEWXsggo
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Bob3b
Member Joined: 08 Mar. 2010 Location: Akron, Ohio Status: Offline Points: 3097 |
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Yikes!
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1946 CJ2A #23881
1953 CJ3b, nice! 1949 Jeepster 1947 Empire Model 90 1985 CJ10A Spen "S" Utility trailer Kubota l3400 |
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3654 |
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The standing wave is exaggerated on Bias tires, and on the double deflection of the dyno roller, but it is the same mechanism.
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rocnroll
Member Sponsor Member Joined: 20 July 2005 Location: Tuscumbia, AL Status: Offline Points: 13585 |
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The easiest one to read here in the rain is (maybe) ACD3014.
Is that a good number or am I not looking right? |
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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Rick G
Member Joined: 17 May 2015 Location: Amarillo, TX Status: Offline Points: 1467 |
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Keith I've excerpted your discussion from the other post that prompted this thread. I thought it would be good to have all the discussion in one place. Plus it helps the continuity of my question.
When you say the P metric tires are de-rated 10% when used in a trailer application, do you mean the weight or speed rating or both? These are the tires I have on my 18' utility trailer that I am converting to a toy hauler/camper. I am increasing the weight of the trailer by about 1,000 lbs. Completely loaded I'm estimating that the total weight will be ~5,000 lbs. I have run this trailer loaded to about that weight in the past with these same tires. I normally run 75 mph for long stretches and have never had any tires problems. I usually run them about 40-45 psi cold. I have been thinking about putting regular car tires on the trailer, but would appreciate your advice. I plan to continue driving at posted speed limits when/if possible (i.e. 75 mph). The one Tow Master is currently a spare that I will be replacing soon. |
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3654 |
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Q -When you say the P metric tires are de-rated 10% when used in a trailer application, do you mean the weight or speed rating or both? Rick
A- load carrying capacity. Your first and 2nd picture are an ST205/75R15 107/102 L. (equiv to load range D, needs 65 PSI) This is a steel belted radial trailer tire with a 2 ply Polyester Carcass. Load index of 107 is rated at 2149# per tire when 1 tire is installed on each end of an axle. Load index of 102 is rated at 1874# per tire when dual tires are installed on each end of an axle. The "L" speed rating is 75 MPH (the new Endurance is rated at "N" = 87 MPH) Your second picture is an F78-15ST which is a diagonal or bias ply tire equivalent to a 175D15. If it is Load range B it s rated at 1390# at 35 PSI, if it is a C load range it is rated at 1710# at 50 PSI. This is a nylon carcass tire. The type of belts should be stamped on the sidewall. Your third picture is an ST205/75R15 Goodyear Marathon (load range C) which is rated at 1820# at 50 PSI. The "C" has been discontinued, and it is only available as a "D" load range, 2150# at 65 PSI. IF you installed a P205/75R15 passenger car tire, (load range B) it is rated at 1598 # at 35 PSI for use on a car or 1452# at 35 PSI on a trailer after it is de-rated. If you have room in the fender well, I would upgrade to an ST225/75R15 Load Range D or E. The D is rated at 2540# at 65 PSI. I've 'heard' that some Sam's Clubs may offer this Marathon on closeout for as low as $54 each. The Endurance is only made in the E, which is rated at 2830# at 80 PSI, N speed rated for 87 MPH. |
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3654 |
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Roc - Wrong number.
As an example, the Sport Trail starts with DOT AQ________. This is
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rocnroll
Member Sponsor Member Joined: 20 July 2005 Location: Tuscumbia, AL Status: Offline Points: 13585 |
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DOT P4HH ACD3014
Mine have been driven over 55mph all just lucky I guess. |
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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Unkamonkey
Member Joined: 23 Mar. 2016 Location: Greeley CO Status: Offline Points: 2093 |
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My neighbor was towing his 26' boat to Lake Powell. He blew out a tire on the trailer in the middle of Glenwood Canyon. Pulled in close to the guard rail to change it, he had to beat the fender back in shape to fit the spare. Pulled into a M&O in Grand Junction and the service guy met him 1/2 way to the shop. "Carlisles we see a lot of them blown out around here"?
His recommendation was Tow Master or Marathon. |
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uncamonkey
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3654 |
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Roc- P4 is the Carlisle plant in Jackson TN. Your tires were made the 30th week of 2014.
Unk - until about 8 years ago the Greenball Towmaster and Marathon were the same tire. Not anymore.
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rocnroll
Member Sponsor Member Joined: 20 July 2005 Location: Tuscumbia, AL Status: Offline Points: 13585 |
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Thanks......that makes perfect sense...Jackson is about 2hrs away. Must have got them fresh out of the mold. |
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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WillyBill
Member Joined: 02 Feb. 2014 Location: Northwest TN Status: Offline Points: 211 |
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Joe Friday, you have commented on tires but haven't said anything about wheels. What is your opinion or experience with arcwheels DOT T TMXM 5JX15, 8 spoke, 5 on 5.5, made in China wheels? I work at the Jackson TN Carlstar (Carlisle brand tires) plant and can get USA Trail tires made here. I would like to put these tires on US made rims but haven't found any in the size I need.
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1947 CJ2A #146428
1947 CJ2A #103567 |
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Joe Friday
Moderator Group Sponsor Member x 2 Joined: 26 Dec. 2010 Location: Jeep Central Status: Offline Points: 3654 |
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Are you referring to Arc Brand? or Vision Wheel Arc series?
I didn't find info on either one that makes it look like a wheel for trailer application. Do you have a part number?
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