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Old 04-10-2015, 07:19 AM   #1
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Tire size differences

Hi

We are looking to get our first coach and have no experience with RV's of any type. We are looking for a used coach between 30 to 34 feet max. I notice in this size range that some have 19.5 in tires and some have 22.5 inch tires. Is there any advantage or disadvantage between these sizes other than price?
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Old 04-10-2015, 07:44 AM   #2
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The larger tire cost substantially more to replace. The larger tire can ride better and carry more weight. The smaller or larger, either way if all other thing on the coach are right for you, don't care which size tire on it.
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Old 04-10-2015, 10:33 AM   #3
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Up until the past 4/5 years , Class A built on Ford chassis used the 19.5" and Workhorse used the 22.5". Then Ford also switched to the larger size when they started building chassis with higher GVWRs,
JMHO: The larger tires make for a more stable platform and a more comfortable driving experience.
Caution , always find the coaches weight sticker and look for the rated CCC. ( Cargo Carrying Capacity ) many older class A coaches , although they have large spaces to carry items, some don't have the capability to handle the weight.
B-in L's 2005 , 35' Tiffin on a Workhorse 22,000lb chassis was always loaded to the max and handled poorly because of it.
Again , JMHO, in the length range you're looking at, the coach should have a CCC. of 2500 lbs. minimum; B-in-L's was only 1,400.
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Old 04-10-2015, 10:58 AM   #4
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Quote:
Originally Posted by Skip426 View Post
Up until the past 4/5 years , Class A built on Ford chassis used the 19.5" and Workhorse used the 22.5". Then Ford also switched to the larger size when they started building chassis with higher GVWRs,
JMHO: The larger tires make for a more stable platform and a more comfortable driving experience.
Caution , always find the coaches weight sticker and look for the rated CCC. ( Cargo Carrying Capacity ) many older class A coaches , although they have large spaces to carry items, some don't have the capability to handle the weight.
B-in L's 2005 , 35' Tiffin on a Workhorse 22,000lb chassis was always loaded to the max and handled poorly because of it.
Again , JMHO, in the length range you're looking at, the coach should have a CCC. of 2500 lbs. minimum; B-in-L's was only 1,400.
Thanks. This is the kind of information I was looking for.
Good advice on the CCC also.
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