As said before , the 5 ton gets around 6 mpg, I drove mine from stockton nj , to fort drum and back, and the milage worked out to 7,3 mpg, but drove 45 -50 mph to whole way,
My deuce gets around 9 - 11 mpg on a mix of diesel and atf, I like my deuce, but i love my 813a1.....