Posted 7/24/2021 12:49 (#9126934 - in reply to #9126870) Subject: RE: Semi sucks on the hills!
Illinois
Yeah but you have mountains not hills!!!
I have an M11 and would like more HP but honestly it's enough most of the time. I'm curious what length of grade and how steep. I can hang with newer fleet trucks on the interstate on the few hills I travel. Emissions seem to rob HP on newer trucks