Forum Discussion

mighty7sd's avatar
mighty7sd
Explorer
Jan 12, 2017

How to find proper tire pressure for tow vehicle?

Does anyone know if there is a calculator or spreadsheet to figure out what tire pressure should be? I know this is supposed to be listed on the door sticker, but I bought my truck used and the mo...
Tow Vehicles
JIMNLIN's avatar
JIMNLIN
Explorer III
Jan 13, 2017
I found 55 psi in LT265/70-17 E tires on my 2500 Dodge/Cummins works best when towing or not towing with my GN trailers and a 11200 lb 5th wheel trailer
And 70 psi in the rears for a 5200-5400 lb axle load.

When empty I drop the rears to 45 psi as each tire is only carrying around 1400-1500 lbs.

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