2005 Southwind Posted March 19, 2015 Report Share Posted March 19, 2015 Tires are 205.65.10's and even though they are stamped with the same designation the tow dolly sits 3/4 of an inch higher on one side. Is this common for tires? Put side by side one is taller than the other. Will this affect the towing? This is my first experience with tow dollys and towing, any knowledge would be appreciated. thanks Link to comment Share on other sites More sharing options...
kathydavidb Posted March 20, 2015 Report Share Posted March 20, 2015 My tow dolly had 2 tires that were the exact same size & height. I don't think you want to use two tires that are different heights. Just like any other vehicle the handling would be different. Dave. 2006 Coachmen Aurora 36ft. Class A motor home. 2009 Honda CRV toad. "Snowbirds" apprx. 6 mos. each year. Travelling to the SW each winter than returning to Wi. each summer. Retired and enjoying our travels along with Buddy the cat. Link to comment Share on other sites More sharing options...
mohamer Posted March 20, 2015 Report Share Posted March 20, 2015 10 inch tires on a tow dolly. I don't think I would have such a dolly. Those wheels will really be spinning at 65 mph. Southwind 35P ARS KB0OU EX Submarine driver Link to comment Share on other sites More sharing options...
2005 Southwind Posted March 20, 2015 Author Report Share Posted March 20, 2015 Learned something about tires. These tires are supposed to be inflated to 90 psi. The one was at 40psi and when i went to 90 low and behold there was no difference side to side on the dolly. They are 10 ply and pretty rigid so hard to tell if they are under inflated. thanks for the replys Link to comment Share on other sites More sharing options...
Tireman9 Posted March 20, 2015 Report Share Posted March 20, 2015 I think this size replaces the 20.5 x 8.0-10 size and in LR-E (10 ply rating) are suppose to have a capacity of 1520# at 90 psi and have a "J" speed symbol which means 62 mph Max. Since you hadn't checked the air pressure you may have done internal structural damage to the tire is you only had 40 they were significantly overloaded. I STRONGLY suggest you get a scale weight of the dolly with the vehicle you normally have on it to confirm the actual load on the tires and consider getting a replacement for the tire you overloaded. Just because it didn't fail as soon as you started to tow doesn't mean it will not fail next week or next month. The MAX speed should be thought of as you do an engine red-line. While it is possible to rev your engine above red-line it can drastically shorted engine life. Check out my Blog www.RVTireSafety.NET I serve on Tech Advisory board of FMCA as their Tire Expert. Give three different seminars on tires at RV events and I also give three seminars on Genealogy too. Link to comment Share on other sites More sharing options...
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