Reply To: F350 tire airing down ranges w/ truck camper

[Mello Mike]

Great question. We published an article on this very topic.

Off-Road Tips: How to Air Down Your Tires

We recommend you check it out. In short, this is what we recommend for 10 ply SRW Load Range E (max. 80 psi) tires:

Firm dirt surfaces – 50 psi front/55 psi rear
Rough and rocky surfaces – 35 psi front/40 psi rear
Sand – 25 psi front/30 psi rear
Soft deep sand – 20 psi front/25 psi rear