Posted 20 October 2012 - 02:31 PM
No sooner had them on and we were off for a 8 week trip of some 4000 miles. At first they sounded noisy and seemed to ride a little on the hard side. But as the molding nobs wore off and the tire developed a smoothness to the tread the noise was gone and the ride became softer. We had lots of rain and road flooding so had the opportunity to get a feel for wet road conditions. They performed very well despite what was a considerable amount of road water at times.
As with most high cost items price was a real consideration and at $2350.00 for 6 tires, balanced and out the door, the savings over the "name" brands is substantial. So if you are considering re-tiring give Sumitomo a read before deciding where to spend your hard earned dollars. You will not be disappointed
Posted 20 October 2012 - 03:29 PM
2003 Safari Trek 3011 W20
8.1 Workhorse / Allison
Posted 30 November 2012 - 07:25 PM
Very same tire and thread pattern, but I believe you will find that they are made in Japan from what my tire man told me.
I believe Sumitomo also makes Dunlop Tires in the USA.
Posted 06 December 2012 - 11:26 PM
Retired Tire Design and Quality Engineer (40 years experience).
Retired Professional race car driver.
Retired Police Driving Instructor.
Member, FMCA Technical Advisory Committee
Delivered Tire Seminar for RV owners & two seminars on Genealogy at FMCA Bowling Green 2009, Madison 2011,
Indy 2012, and Perry & Redmond 2014
I hope to present two seminars on RV Tires & Three on Genealogy at Madison, WI in August 2015
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Posted 21 April 2013 - 12:11 PM
The Sumitomo 22.5 on my coach are made in Japan. The seven year old tires are soon to be replaced with made in the USA Firestones FS560 Plus! Hearing very good reports on them.
Had no problems or complaints with the Sumitomos.ST727.
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