2012 KW W900B 18speed Cummins ISX15 new in frame done 76,840 Miles on frame 1,074,719 40K lbs 3.70 ratio New rear ends (built by revaluation gear) New tires 285 wheelbase Blower 12in Gardner Denver New pins & bushings on front leaf suspension Deleted New shoreline heater New kingpins on steer and push axle New front shocks