2015 Ford Super Duty Power Stroke Diesel Output, Tow Ratings Revealed: 440 hp ... - Car and Driver (blog)

That’s considerably more grunt than the 397 horsepower and 765 lb-ft of torque of the 6. 6-liter Duramax diesel V-8 that powers the 2015 Chevy Silverado HD and GMC Sierra HD. It also out-torques (barely) the Ram Heavy Duty’s 6. 7-liter Cummins... Payload and towing capacities rise in turn, with the max tow capacity of the F-450 rising from 24,700 pounds to 31,200, should you have a naval ship anchor in your back yard that needs to be hauled away. The F-350’s towing numbers rise as well, with maximum fifth-wheel/gooseneck trailer towing rising to an utterly ridiculous 26,500 pounds. Furthermore, Ford claims that the design of the engine made it relatively easy to upgrade, and that the newfound power does not come at the expense of efficiency. “The designers of the original 6. 7-liter Power Stroke V-8 turbo-diesel predicted that it would eventually need to be upgraded for higher output,” said David Ives, Ford Power Stroke technical specialist. Official Photos and Info: 2015 Ford Super Duty Instrumented Test: 2013 Ram 3500 Mega Cab Diesel First Drive: 2015 Chevrolet Silverado 2500 / 3500 HD In its chest-pounding press release, Ford says “The improvements we’ve made essentially give Super... Source: blog.caranddriver.com