DALLAS, Texas, Sept. 26, 2013 - Ford, America’s truck leader, introduces the 2015 F-Series Super Duty lineup today at State Fair of Texas, featuring a second-generation 6.7-liter Power Stroke® V8 turbo diesel engine; increased towing capabilities; and a refreshed, Texas-inspired King Ranch model.
“Truck leadership means never resting, and the Super Duty team has been tireless in finding ways to improve the industry’s most popular heavy-duty pickups,” said Joe Hinrichs, executive vice president and president of The Americas, Ford Motor Company. “Super Duty diesel customers will benefit from improved performance and features backed by outstanding Built Ford Tough durability.”
Since the 6.7-liter Power Stroke V8 turbo diesel debuted in 2011, Ford engineers have listened to customers and continued to examine each component of the engine to develop improved performance.
Ford is the only heavy-duty pickup truck manufacturer that designs and builds its own diesel engine and transmission combination, ensuring the powertrain will work seamlessly with all chassis components and vehicle calibrations – from concept to execution. This approach also enables Ford engineers to optimize the vehicle’s performance across the entire lineup.
A key Ford innovation on the original 6.7-liter Power Stroke V8 turbo diesel was its so-called reverse-flow layout. The advanced design places the exhaust inside the engine’s V-shape while the air intake is positioned on the outside of the V. This segment-exclusive design naturally improves a variety of attributes:
Ford engineers built upon the many benefits of this design as they upgraded the Power Stroke. One improvement is a larger GT37 turbocharger that replaces the previous GT32 model, enabling more airflow to the engine to produce more power beyond today’s 400 horsepower and 800 lb.-ft. of torque.
The GT37 features a single, larger 88-millimeter compressor wheel that replaces the GT32’s dual-sided compressor design. The compressor forces air into the engine’s cylinders to improve performance – especially at high altitude where the air is thinner than at sea level. The turbine size is increased to 72.5 millimeters from 64 millimeters, so exhaust gases have a larger surface area to spin the turbo, providing extra power. The wastegate and the wastegate controls are eliminated, because the turbo operates at lower peak pressures than the GT32.
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