International 's CXT and RXT create a whole new category of trucks. The RXT is a 5-ton, 22-foot-long commercial pickup built on the International 4000 Series platform, and the CXT is the world's largest pickup truck, built on the 7000 Series platform. Both incorporate heavy-duty truck components and exclusively use International engines. The CXT offers an optional International DT570 engine that delivers 310 horsepower and 950 lbs.-ft. of torque for a towing capacity of up to 20 tons. Estimated list price: CXT: $115,000 to $135,000; RXT: Starts at $70,000.