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Old 06-16-2015, 04:40 AM   #18
jlb27537
Montana Master
 
Join Date: Jan 2013
Location: Depends on temps
Posts: 1,648
M.O.C. #13157
I have a '12 Ram 3500 DRW. Tow basically the same trailer. '14 3150RL

I run 55-60psi in the rear's and 75psi in the fronts. If you try and run 80psi in the back you will beat your self to death and wear the center of the tire. That is way overinflated

The door jam sticker shows the tire pressure for the axle at it's max gross load rating. The front will be pretty close, but the back axle load will be no where close to it's max load.

80 front and back is what is on the side of the tire as max inflation pressure. That is NOT what you need to run in the tires. Proper inflation pressures can only be determined by weighing the truck and trailer and then looking at the tire makers inflation charts.

I have determined my inflation requirements by weighing both the truck and trailer hooked up.

Jim
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2012 Ram Laramie 3500 DRW 4x4 3.73 Tow Max Pkg B&W Companion 60 gal RDS aux fuel tank. 2014 Montana 3150RL, 2 A/C's, Leather, 6 Point Jacks, Splendede WD2100XC, Mor/ryde X-Factor, Duravis 250 tires with TST 507RV monitors. 2 x Honda EU2000's
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