2014 ram 2500 hd ford -250 chevy silverado 2500 0, ( http://www.tfltruck.com ) the heavy duty ram 2500 has been revised with air suspension and a brand new 410-horsepower 6.4-liter hemi v8 option. the ford. 2012 chevrolet silverado 2500 . 2012 ford -250 super, Heavy lifters: we take three extra-strength pickups to the nevada desert for a heavy-duty workout. which of these diesel trucks gets the highest grade over.