VT 800 is aimed at heavy hauling and other applications requiring Big Power but no sleeping accommodations. Engine offerings are the Volvo D16 with up to 625 horsepower and 2,250 lbs.-ft. of torque, and the Cummins ISX with up to 565 horsepower and 1,850 lbs.-ft., both with high-capacity cooling. Styling includes smooth streamlining; high, long hood; forward-set steer axle; bare battery box and fuel tanks; and bright-metal trim.