front 80 psi rears 90 to 100 psi it does depent what type of work you are doing, horseboxes you can run alittle lower i did with my cargo it was on 215/75/17.5 it just made the ride alittle softer, but with my truck i do haulage with which is on the same tyres i run 90 front and 100 rears.
james
May 2009
Don't quote me on this one Pete but the Pinzgauer with the same tyre sizes uses 50 psi for highway use reducing to 40 psi for the dirt. (Acccording to my mate next door).