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Old 02-25-2016, 11:24 AM   #21
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Location: Van Alstyne, TX
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Originally Posted by Elkhounds View Post
I hope the 235/80R16 are also rated for 75. I also do not plan on running that but I do normally set my cruise around 63 on the flats and I would like to know I am not right on the edge of the tire rating.
Yes, I did confirm that size as well...

Mike and Susan
Cavalier King Charles - Jack (4) and Sadie (3)
2015 Columbus 320 RS
2017 Ram 3500 6.7 Diesel
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Old 02-25-2016, 11:52 AM   #22
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Originally Posted by Elkhounds View Post
Ok little confused here. The 235/85R16 are a G rated not E. The 235/80R16 are E rated. My understanding is the tires that come on the Columbus are the E rated tires as I was told by the factory. The ratings can be checked in the link posted by OakLevel.

Anyone with 235/80R16 that can confirm the speed rating. They do look like decent enough tires and I will run them a year or 2 before switching.

Jim34RL did your trailer come with the 235/85R16's?

Those tires were standard on my 2016, 34RL Cedar Creek. The placard informs you to inflate them to 110psi for maximum load carrying ability. I believe there may be different tire ratings in the same tire size class. As I have 126R rated tires on my truck for towing and another manufacture offers the same tire size, but in a E rated tire.


Jim W.
2016 34RL CC; 2008 Ram Mega Cab 2500HD, 6.7L, 68RFE 6 speed, 4X4, Smarty S67, TDR 112K+miles
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Old 02-25-2016, 12:23 PM   #23
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Mike thanks for getting that info.

Jim from what I have heard from a couple people with FR is that the Columbus comes with the E rated tires. Sounds like they are also 75mph rated so that will give a good safety margin.

2015 F-350 Platinum 6.7 PowerStroke
2017 Columbus 320RS
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