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Old 02-11-2004, 09:17 PM   #1
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1976 28' Argosy 28
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Trailer Tires?

I'm going for new tires on my '76 Argosy. I've got 7.00 x 15 tires now and have been hearing about 'trailer tires' but don't know exactly what that means. Are they radials with beefed up sidewalls? I want to take full advantage of my new axles. Anybody have any recommendations? Thanks.
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Old 02-11-2004, 09:22 PM   #2
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I would recommend Goodyear Marathon 225/75/15. Trailer tire. I'am sure you will get more input.
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Old 02-11-2004, 09:31 PM   #3
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Re: Trailer Tires?

Quote:
Originally posted by Austin Runner
I'm going for new tires on my '76 Argosy. I've got 7.00 x 15 tires now and have been hearing about 'trailer tires' but don't know exactly what that means. Are they radials with beefed up sidewalls? I want to take full advantage of my new axles. Anybody have any recommendations? Thanks.
Your tires like your trailer came with are no longer available. The new 7.00x15 tires are much too heavy duty for your purpose, they go on car haulers, and equipment trailers. While this is great for carrying 20 ton payloaders, it is not so good for our trailers. I have found that the equivalent size and weight rating is a ST225-75R15, load range C.
This is a Special Trailer tire (ST, instead of P for Pasenger car). Among other things, trailer tires contain more UV inhibitors to slow the effects, known as weather checking, or dry rot. Also, the radial tires should help you get a tad better gas mileage.
Terry
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Old 02-11-2004, 09:42 PM   #4
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Thanks Terry and George Jr. I appreciate your insight and a little bit of extra mileage would be wonderful.
Randy.
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Old 02-11-2004, 09:51 PM   #5
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Trailer Tires?

Greetings Randy!

I agree with Terry and George Jr. on the size - - I use that size on both my 1978 Argosy Minuet 6.0 Metre and 1964 Overlander - - I do, however, use Load Range C on the Minuet and Load Range D on the Overlander. The Overlander at 26' just seems to ride better on the Load Range D tires (and there is a much greater load capacity surplus with the Load Range D tires for almost no difference in cost), and I have had no unusual problems related to the heavier construction of the tires (they are now nearly six years old - - due for replacement due to age). You might want to get an accurate loaded weight for each axle on your Argosy 28 to see what your minimum requirement will be for tire weight carrying capacity.

Good luck with your decision!

Kevin
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Old 02-15-2004, 03:46 PM   #6
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The deed is done. Thanks Kevin for your input also. I went with the Marathons 225/75-r15. I figured going with a load level D would be the best for the Arg. Shopped a little - bottom line is $94 per tire at Sams ($85 tire, $9 balancing). Costco doesn't sell trailer tires in Austin. NTB was $133 ($109 + $11 for balancing + $9 for road hazard + $4 for "high pressure" valve stems). At Sams, road hazard and valve stems come with the blancing. Discount was $109 complete but they agreed to beat Sams price and they have the tires in stock.
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Old 02-16-2004, 11:05 PM   #7
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I am getting ready to start shopping for tires for my 1995 21 foot Sovereign. The dry weight of this unit is about 3900 lbs. Present tire size is 225/75R15 and 3 tires are load range C and one is load range D. Should I get load range C tires? They are rated at 2150 lbs per tire. I wonder is load range D tires would create a too stiff ride?
Phil
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Old 02-23-2004, 06:19 PM   #8
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Quote:
Originally posted by Scaler113
I am getting ready to start shopping for tires for my 1995 21 foot Sovereign. The dry weight of this unit is about 3900 lbs. Present tire size is 225/75R15 and 3 tires are load range C and one is load range D. Should I get load range C tires? They are rated at 2150 lbs per tire. I wonder is load range D tires would create a too stiff ride?
Phil
Load range C is sufficient for your trailer. If you use the load range D tires, inflate them to the load range C pressure, usually 50 PSI.
Terry
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Old 02-23-2004, 06:54 PM   #9
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How does the load range work - that it mean that 4 load range C tires would handle 8600 pounds (2150 x 4) ?
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Old 02-23-2004, 07:05 PM   #10
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Ken, I believe that's correct. I'm getting ready to installl new tires and wheel on my Tradewind, but I'm also debating whether to go with 'C' or 'D' range.
Mine is a single axle trailer with an approximate dry weight of 3,000#.
Paul
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Old 02-23-2004, 07:17 PM   #11
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In my view, I would put the D's on a single axle - there is a fair amount of weight on two tires.

For my 58 Overlander I was thinking of C since I have two axles - most of the 58 26 footers have single axle, so I should be OK with C.

If I remember my dry weight is about 3300 lbs. Fully load, I could not imagine more than 5000 lbs

Ken
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Old 02-24-2004, 07:38 PM   #12
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I went with the D range Carlisle ST tires on my 31' Excella 500 for extra weight protection just in case. They have a max. load of 2540 lbs. each at 65 psi max. I run around 58-60 psi in them.
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Old 02-26-2004, 05:06 PM   #13
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Note that max tire load capacity is only achieved at max inflation.

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Old 02-26-2004, 08:17 PM   #14
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Nice catch Action! I never travel with water in the freshwater tank nor anything in the grey/blackwater tanks. My 40 lb. propane tanks are aluminum, I don't have much in the way of cargo items other than clothing/food for a week's worth of hunting, a couple treestands and other related hunting supplies. I'm relatively light in comparison to those who might spend a few weeks on the road because I re-supply each week when I come back to the trailer or if I bring it back from the campsite to go to another area of TN. to hunt. This is why I don't inflate to the max but somewhere just below it.
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