Ford 7.3 power stroke f250 any good?

I have 03 7.3 f250 I pull a 11000lb fully loaded 8700lb dry f/w been up and down the east coast with it pulls like a champ I never felt the need for more power even up and down the mountains in my home state of PA it just recently turned 95k miles I have it for 6-7 years bought it with 56k and the only thing I needed on it so far was brakes rotors and a glow plug relay however I have had prevent. maint. done trans maint. every 30-40k oh and I had high press. oil line fittings leak replaced for about 250.00 also had the springs and shocks replaced with heavier duty ratings but didn't need them just wanted to beef it up I think I paid around 21k 6-7 years ago with a snow plow on it i'm gonna run it till it dies or I do which ever comes first..also just did a 2300mile trip out to Michigan and averaged 12.5 MPG with towing and site seeing that's about what I average every trip had 1 time running empty down to Myrtle beach and back and averaged 16 mpg all hand calc.