17.5 tires
Right now I am running 235/85 Goodyear G614's on my 16,000# GVW fifth wheel. My pin is just under 3,000# at 2984#. I am looking to change the tires as they are carrying a 2009 date code on them... I h...
Forum Discussion
bucky wrote:
Dropping the pressures is hard on your fuel mileage, the trick is finding the best compromise.
Not really. Point is, if using 16" tires, and need 80# to hold the load,then you go to 17.5, you still probably only need about 80# in them to hold the load. NOT the 125# that they are rated for.
Putting 80# in the 17.5 will yield same mpg as 80# in 16", and be a softer ride than running them at 125#. And, at 80#, the 17.5 is a stronger, tougher tire carcass.
