Photo by Norman Mayersohn / ENR Nissan wants to fill a gap between half-ton and three-quarter-ton pickups with its 2016 Titan XD. Photo by Norman Mayersohn / ENR The new 5-liter Cummins V8 pounds out 310 horsepower and 555 lb-ft of torque. Related Links: Cummins Turbodiesel Option Coming to Nissan Titan Year in Review: Pickup Truck Wars Catering to hardworking customers who demand dawn-to-dusk hauling from their pickups, Nissan's latest full-size model is something of a 'tweener, offering a towing capacity of at least 12,000 lb—exceeding typical gasoline entries but designed not to be as brutish (or perhaps as expensive)