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09-12-2013, 07:21 AM
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#1
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Montana Master
Join Date: Jul 2005
Location: Fort Myers
Posts: 5,933
M.O.C. #4282
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Tire Load Rating...
I have all 4 tires on my 2007 3400RL as LT 235/85-16 (2 Carlyle - 3590# - on front axle and 2 Mastercraft - 4032# - on the back axle) - which is good because my 2013 GMC 3500 (SRW) has 265/70-18 (rated at 3525#) - which give that 1 ton GMC some bodacious height, so the extra height on the Trailer helps. My question is ... do all these diiferent ratings hinded/help/no effect on my 14,000# Montana?
BTW I switched to LT for my 5ver tires after Good Sam ERS tried for 3 hrs in central Ohio to find a 235/80-16 ST tire. LT tires are much easier to find (especially on a weekend). Just watch your load rating and your DOT date... Hopefully everyone here on the MOC forum know hows th check that... Right??
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09-13-2013, 04:40 AM
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#2
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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Dave we had generals on our 06 3400 with the IS suspension. The tire load rating on the generals was 3082 per tire. We were OVER the tire load rating on the heavy side of the 3400.
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09-13-2013, 05:08 AM
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#3
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Montana Master
Join Date: Jul 2005
Location: Fort Myers
Posts: 5,933
M.O.C. #4282
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Thanks, Rich! Do you think "mixing and matching" of different load ratings - as long as the same tire is on the same axle - is a potential problem? Or no problem?
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09-13-2013, 06:51 AM
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#4
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Montana Master
Join Date: Apr 2009
Location: Murrieta
Posts: 5,816
M.O.C. #9257
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I think that if load ratings are met you can mix tires. The differences should not include different size tires or tires with severely different tread patterns. If you keep the same tires on both sides of the same axle, this is also preferred, however I've seen two different tires on the same axle especially in the event of a flat or other such event. As long as the tires aren't severely different, you should be okay for the short term. This is why I try to replace the tire with the same brand and pattern, even if I've used the spare (Spares often have more tread than the other tires, but this difference should be okay). This is how I think about it.
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09-13-2013, 07:01 AM
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#5
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Montana Master
Join Date: Feb 2007
Location: Winfield
Posts: 7,327
M.O.C. #6846
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Dave,
PM or email LonnieB with your question. He would be most qualified to give you an answer since he has probably dealt with similar issues many times as part of his tire business.
Bingo
__________________
Bingo and Cathy - Our adventures begin in the hills of WV. We are blessed by our 2014 3850FL Big Sky (previous 2011 3750FL and 2007 3400RL) that we pull with a 2007 Chevy Silverado Classic DRW CC dually.
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09-13-2013, 07:42 AM
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#6
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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I have no clue Dave.
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09-13-2013, 08:51 AM
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#7
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Montana Master
Join Date: Apr 2009
Location: Murrieta
Posts: 5,816
M.O.C. #9257
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LonnieB would be the best person to ask here. Send him a PM, tell him the MOC sent you. LonnieB runs a Tire shop and should be able to answer these questions with some authority. Not only does he own a Montana he often provides service and recommendations for all trailering tire issues.
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09-13-2013, 09:56 AM
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#8
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Montana Master
Join Date: Oct 2012
Location: Chilliwack
Posts: 1,520
M.O.C. #12935
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Dave, try as I might I cannot find a listing for a Carlisle LT tire either on the US or Canadian website. Could these be ST tires from Carlisle, they make several of those in around that load rating and tire size.
If the Carlisle are actually ST then you have a mix of LT(mastercraft) and ST(Carlisle) that might not be the best thing to do and you may have differing max pressure values.
Just curious since I could not find an LT Carlisle tire.
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09-13-2013, 10:42 AM
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#9
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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Dave, the quick answer is no, it doesn't matter. I wouldn't mix tire sizes on an axle, because it would cause the trailer to lean slightly and could affect wear, but so long as each axle is using the same diameter tire, you're OK. Now for the longer answer. If you ever have the opportunity to get your Montana weighed, you might find out that one axle is carrying more weight than the other, in which case it might be a good idea to put the heavier rated tires on the axle with the most weight.
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09-13-2013, 10:48 AM
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#10
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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Quote:
quote:Originally posted by Irlpguy
Dave, try as I might I cannot find a listing for a Carlisle LT tire either on the US or Canadian website. Could these be ST tires from Carlisle, they make several of those in around that load rating and tire size.
If the Carlisle are actually ST then you have a mix of LT(mastercraft) and ST(Carlisle) that might not be the best thing to do and you may have differing max pressure values.
Just curious since I could not find an LT Carlisle tire.
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Given the load ratings Dave quoted, I believe you are right - they are ST tires and not LT.
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