What Are the Specs on Ford's Power Stroke Diesel?


Quick Answer

Ford's 6.7-liter Power Stroke V8 turbo diesel is a 32-valve engine with a compacted graphite iron block and aluminum cylinder heads. Fuel is injected via a high-pressure common rail, and the valves are operated by push rod and rocker arm assemblies. A single-sequential turbocharger aids in aspirating the engine.

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Full Answer

The 6.7-liter Power Stroke diesel engine, available in 2015 Ford Super Duty trucks, delivers 440 horsepower and 860 pounds of torque per foot. The 6.7-liter Power Stroke engine is also known as the Ford Scorpion and is coupled with a six-speed TorqShift SelectShift automatic transmission. The TorqShift transmission includes SelectShift technology for both progressive range operation and full manual mode.

The compact graphite iron block provides greater strength than standard cast-iron blocks, while the engine's weight is reduced. This 90-degree V engine's inboard exhaust manifold and turbocharger are mounted in the block's valley for close proximity and fast air displacement. The GT37 turbocharger features a single 72.5-millimeter turbine and 88-millimeter compressor. The engine's reverse-flow aluminum cylinder heads are fitted with precision dual water jackets and six head bolts per cylinder.

Ford Super Duty trucks offer a Live-Drive PTO option, which connects the power take-off assembly directly to the engine's crankshaft. The output gear's split-shaft operates multiple accessories at the same time. Super Duty trucks equipped with the Power Stroke diesel engine have a towing capacity ranging from 12,500 to 19,000 pounds.

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