Freightliner has added two new horsepower options to spec selections for its Coronado heavy-duty vehicle. Caterpillar's “King of the Hill” C15 engine is now available in a 600-hp. rating with 1850-lb.ft.of torque, as well as a 625 hp. rating with 2050 lb.-ft. of torque. Rpm for both is 2100. Detroit Diesel Series 60 engines remain standard