Ford announced that the second generation of its 6.7-liter Power Stroke turbodiesel V8, the optional engine in the 2015 F-Series Super Duty pickup trucks, will have a significant increase in power for the upcoming model year. The new engine will put out 440 horsepower and 860 lb-ft (up from 400 and 800 for 2014), both of which will be best in class. This engine will be available in the F-250, F-350, and F-450.

There are other improvements coming for the new Super Duty trucks that increase towing capacity. Ford upgraded the chassis in the F-450, which increases the maximum towing capacity to a best-in-class 31,200 pounds with a gooseneck hitch-an increase of 6,500 pounds-and 26,500 pounds with a fifth wheel. These upgrades increase the maximum gross combined weight rating to a best-in-class 40,000 pounds, up by 7,000 pounds. The changes to the F-450 include commercial-grade wheels and tires, upgraded suspension, stronger components in the steering system, and larger, re-calibrated brakes. 

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The F-350 gets upgraded as well: its maximum towing capacity is 26,500 pounds, up from 23,200, and the GCWR increases by 4,500 pounds to 35,000. This comes courtesy of a new high-capacity towing package with new front springs and a wide track axle.

As Doug Scott, Ford Truck group marketing manager, explains, "Our chassis people work in unison with our powertrain people to develop more than a great truck, it's a machine engineered for work. We're the only manufacturer that develops and builds our own powertrains in this class and when you combine that with a chassis that's purpose-built for best-in-class power and torque, you can feel the result in the way it drives, especially when towing big loads. Our chassis people have worked in unison with our powertrain people to develop more than a great truck - it's a machine engineered for work."

The engine now uses a larger turbocharger, and there are new injector tips, which means the fuel is burned more completely and noise, vibration and harshness are reduced. The use of the new tips also improves emissions and reduces buildup of fuel deposits.

Ford also announced three new King Ranch models that will go on sale later this year for the 2015 F-Series Super Duty, F-150, and Expedition. The King Ranch models have unique designs inside and out, more standard equipment and unique wheels, and bear the Ranch's "Running W" brand. The new exterior colors will be Bronze Fire, Caribou (monotone), Guard and Ruby Red Metallic, with Caribou as an accent color. There's a new interior color, too: the King Ranch models are the only ones available with Mesa Brown leather interiors. 2015 marks the 15th anniversary of when Ford started selling King Ranch editions, and 40% of all the F-Series Super Duty King Ranch editions are sold in Texas.

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