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6.8-liter Triton™ 3-ValveV-10 - for the first time, Ford's aluminum 3-valve cylinder head, introduced on the 2004 F-150, is available on a V-10 engine. The new 6.8-liter, 3-valve Triton™ V-10 is the most powerful gasoline engine in the class, with 355 horsepower and 455 pound-feet of torque - both class-leading figures. Like all of the Super Duty engines, it uses electronic throttle control for efficiency and quick response.
6.0-liter Power Stroke® V-8 diesel - Ford set a new standard with the original 7.3-liter Power Stroke in 1994, then did it again with the 6.0-liter Power Stroke in 2003. For 2005, the Power Stroke gets 10 more pound-feet of pulling power, up to a class-leading 570-pound-feet of torque.
TorqShift® - Ford's premium heavy-duty automatic transmission is now offered with every Super Duty engine, offering the smoothest, crispest shifts in the class, the exclusive computer-controlled tow-haul mode, plus the economy and performance benefits of five speeds, compared with competitors' four.