Very clean day cab with Mack REMACK AI-375 engine with 375 HP (March 2015), 12,350 lb. front axle, 46K rears, camelback suspension, Allison automatic transmission, 216" wheelbase, 136" C-T, 15'6" of frame behind the cab, and wet-line. ***HP is currently set at 375 but can be increased to 400 HP with software upgrade., Engine brake can be installed for $3,500***