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Old 06-11-2011, 01:26 PM   #1
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swap from 13" to 14" wheels on Flagstaff 625D

our new 625D came with 175/80R13 load range D RADIAL tires. load rating of 1610 per tire, 3220 total weight. Kenda Karrier Load Star

Camper itself weighs in 2700ish, which leave about 400lbs for "stuff"

I'm uncomfortable being that close to max cap all the time, then add the finding a spare/replacement tire seems to be futile.
I've checked several different tire retailers, and none can come up with that size/ load rating. nor does anyone local carry the brand. I'm guessing it wouldn't get any better on the road, when I would REALLY need one.

I would LIKE to swap up to a 205/75R14 which has a higher weight rating ( 1760lbs, load range C ) not that I would add anymore "stuff" more for a buffer, and they are available most anywhere. ( Tractor Supply and an Northern Tool have them mounted on wheels already)

I've ordered a second spare ( etrailer.com ) in the 13" tire/wheel to carry with 'just in case' so I'm ok for now with 2 spares.

looking at the camper, I'd need to raise the frame off the axle at least an inch, if not 2" to safely clear the larger tire.

Has anyone done this ? has an ALKO Torsion axle, looks as though it would be pretty straight forward, add a 2x2" tube between frame and axle, bolt/weld as needed.

Is there a factory set up to allow for this ?
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Old 06-17-2011, 08:51 PM   #2
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WOW!

I just got back from weighing the camper. 3480 lbs

tire weight capacity is 3220,

after re-reading stickers on frame, the camper weight from the factory is WITHOUT AC, Awning, LP tank and battery(ies). dry weight stated on frame is 2757 lbs, there is a warning about the water weight in fresh tank ( 20gal @ 8.33 lbs per gal, 167 lbs )

No mention of the weight in water heater or toilet tanks ( another 91lbs combined 11gal total ) ADD battery ( 46 lbs per x2 in my case ) LP tank ( 47 lbs ) AC unit (108 lbs ) awning 60lbs ( total 457 lbs )

without water in fresh tank, you are now at tire capacity of 3220 lbs ( 14lbs over actually ) you haven't even added camping stuff in the trunk, sleeping stuff, food or drink yet.

3500 lbs axle capacity total for the trailer.

Wow, guess I shoulda done some home work before we fell for this deal.

so, what to do, the axle lift to add 205/75-14 tires ( 1760 lbs x 2 = 3520 lbs tire capacity )

OR replace the axle with a 5k and 15" wheels and not worry about anything

Anyone ?
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Old 06-17-2011, 11:21 PM   #3
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Seems like the 14" would be at maximum capacity so not a great solution. There ARE D rated 14" tires.

Kumho Radial 857

2,094 lbs for the 195/14
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Old 06-17-2011, 11:36 PM   #4
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Quote:
Originally Posted by acadianbob View Post
Seems like the 14" would be at maximum capacity so not a great solution. There ARE D rated 14" tires.

Kumho Radial 857

2,094 lbs for the 195/14
Hmmm !! looking there is also a 185r14 LR D 1874 lbs ea. (total load 3748 lbs ) and 25.6" diameter. ( the 13" are 24" dia. )

I like that idea even better, I might be able to get away with out a lift

thanks for the info !
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Old 07-15-2011, 09:03 PM   #5
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So i have ordered tires and wheels, Tires from Tire Rack, wheels from E-trailer, Kumho 857 185r14 radial LR-D

had the tires and wheels mounted tonight, will fit them to camper in the AM to see if there is enough room.

I'm hoping I don't have to do any modifications, we have a trip scheduled for next weekend to OBX, really looking forward to it !
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Old 07-15-2011, 09:14 PM   #6
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If they fit, let me know, I may need that option as I said in the other thread.

Thank you for your help and input, I really do appreciate it.
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Old 07-16-2011, 12:26 PM   #7
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the change over....

so I set the new tire next to old for size comparison
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the new look somewhat larger and they are, but keep in mind, you are only realizing half the height increase of the new tire ( 1.5" over all, actual loss in fender well or frame .75" per side.

front side of old tire at frame extension
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new tire in same position
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new tire is closer, but the axle movement will swing the tire away from the frame a bit, if I hit something hard enough to cause the tire to go into the frame, I'm probably having more serious issues than this going on at the time.

right side fender well is a non issue, it's pretty tall, I can get my whole fist in there, maybe tall enough to set a 12oz beverage can on top of tire and still have clearance,

the left side, not so much, because of the slide out, the fender well tub is formed shallow, might have an inch of clearance, maybe 1.5" tops. I'll worry about it after this up coming trip, being as it's on the road center side, pot holes are less likely to be an issue. so I don't think normal road movement will be a problem for now.

as for sidewall clearance, no issue at all, plenty of room both sides of tire.

in the future, I will probably fabricate a 1-2" lift of some sort, possibly incorporate it to reach from side to side to also support the bottom of the fresh water tank, it bellies quite badly when full, I'd hate to have the tank fall out on the road while traveling. ( i won't travel with it full at this time for this reason )

the new tires are Kumho 857 Trailer tires, 185r14 Load Range D radial, 25.6" tall 1874 lbs ea capacity @ 65 PSI, and they have a speed rating of 99 mph ( you know we all wanna tow there !!)

Replacing the old (new) Kenda Karrier Load Star 175/85R13 radial LR-D 1610 lbs per tire @65psi, and 65mph speed rating.
these are for sale BTW if some one is interested, 2 on alloys ( 300miles, in the pic ) 2 never on the ground on steel wagons. wheels
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