The power ratings are out for the second-generation Power Stroke engine that's set to debut in the 2015 Super Duty F-250, F-350 and F-450, and the numbers, as you probably expected, will be class-leading.
Predicted horsepower ratings for the upgraded 6.7-liter turbo-diesel, which we first saw at the 2013 State Fair of Texas, will be 440, or a 10 percent jump from the previous engine. Torque ratings are predicted to be 860 pounds-feet, up almost 8 percent. We had the chance at the State Fair to talk with David Ives, Ford's lead engineering on the new Power Stroke, about the improvments but he wouldn't tell us the exact numbers.
Additionally, as you might expect, the Ram HD 3500 will no longer hold the maximum tow rating crown at 30,000 pounds, as the new Ford F-450 will offer a rating of 31,200 pounds. (We should note that the SAE J2807 towing standards will not apply to vehicles in this GVW category.) Likewise, the maximum GCWR for the new Ford Super Duty F-450 will be a class-leading — dare we say "class-crushing" — 40,000 pounds.
“The designers of the original 6.7-liter Power Stroke V8 turbo diesel predicted that it would eventually need to be upgraded for higher output,” said David Ives, Ford Power Stroke technical specialist. “They designed it in a way that made it easier to add a larger turbocharger, increasing airflow and creating more power for dramatically improved performance, yet we haven’t lost any efficiency.”
New injector tips spray a finer mist of fuel into the cylinders which provides a more complete burn and helps reduceing noise, vibration and harshness. Other benefits include lower emissions and less fuel deposit buildup on the intake valves over time.
Of course, we fully understand that a number on paper is completely different than proving how capable a truck is in the real world. We proved that with our most recent King of Beasts and Hurt Locker road tests, but Ford has clearly responded to the challenge.
To read the full press release, click here.
Photos by Evan Sears, Cars.com