Hi BLoyd,
Not bad in my book - very nice in fact. You'll play a bit with your pressure to find your preference, like Eric from SLC said above.
If I forget to air down after towing heavy, my first trip down our rough dirt road, and I remember !!
After wearing out my initial Bridgestone M724's - which had horrible wet weather traction & the sidewalls cracked prematurely, I wrote up my experiences over the first 10 k miles with my first replacment set of 19. 5's - I decided to go with Michelin Factory Retreads.
They're Michelin XDC-22, 14 ply 245/70 R 19. 5, Retreads - from a local medium duty truck dealer. Quite the deal at
$ 125 ea - heck that price beats many 10 ply tires, but they last 60-90 K miles.
Here:
https://www.turbodieselregister.com/forums/showthread.php?p=1515466
You asked about a traction tire. The XDC 22 tread design has super traction, but is not noisy on the highway. I hate loud 'mudder-type' tires like that - these ones just sing sweetly - window down, that is.
I don't recall a size larger than this one, the 245 / 70 R 19. 5 is a large, heavy tire. Mine are LR G - 14 ply which rates at 4500 lbs @ 110 PSI.
A bit of advice: if you don't tow much, go with the next lighter rated tire, a LR 'F', which should still provide 4000 lbs @ 100 PSI - these can usually be had in 225 or 245 widths.
The reason I recommend the lighter rated tire is for a guy who rarely / never tows, the LR G is simply overkill. The LR F 12 ply is still going WAAY beyond stock capability.
If you decide on new tires, I've heard much good about the Hankook (Korean made tire) DH-01 - great traction tire... ...
Let us know how it works out and what you decide... . thanks David B.
Maybe I can show some pics of this set-up: