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Introduced in mid-1994 under the previous 7.3 Liter Turbo Diesel moniker, it was given the Power Stroke name in 1994. It is a turbodiesel truck engine used in Ford F-Series trucks, the Ford Econoline van, the Ford LCF commercial truck in a 4.5 liter V6 version, and the Ford Excursion SUV. The Power Stroke is manufactured by Navistar International Corporation (International Truck and Engine Corporation). These engines are built in Indianapolis, Indiana and Huntsville, Alabama.
These engines primarily compete in the United States full-size pickup truck market with the Duramax V8 from General Motors/DMAX and the B series straight 6 from Dodge/Cummins.
Power Stroke History
In 1982, a partnership was established between Navistar, Inc. and Ford Motor Company to build a diesel engine for Ford’s Super Duty ® pickup trucks.
It all started with the 6.9L Indirect Injection (IDI) engine. That engine’s output was a modest 170 Horsepower and 315 foot-pounds of torque. The next version of a diesel engine in a Ford truck was the 7.3L IDI. The engine was produced from 1988-1993. A major change happened in 1994. The 7.3L was converted to a Direct Injection (DI) engine, a turbocharger was added and the Power Stroke ® name was born. The 7.3L engine was in production until early 2003 and this engine’s performance and durability is what the made the Power Stroke ® name legendary. Some of the engine features were a waste gated turbocharger, HUEI fuel injectors and an air to air intercooler. In March of 2003 the 6.0L was introduced. This was the first engine design driven by emissions requirements. The 6.0L saw a significant increase in horsepower and torque (325 HP and 560 ft-lbs Torque) even with a drastic reduction in engine displacement. The 6.0L also introduced Power Stroke ® customers to the variable geometry turbocharger, exhaust gas recirculation system and generation two fuel injection system.
To ensure that this legendary product line continues its success we have released the 6.4L Power Stroke ® Diesel engine. This engine’s technology and reduced emissions output is a long way from the early 6.9L days. The latest Power Stroke ® boasts a whopping 350 HP @ 3000 RPM and a peak torque output of 650 ft-lbs at only 2000 RPM. The 6.4L is the quietest and cleanest diesel engine ever to power a Ford Super Duty ®. It features twin turbochargers and a high-pressure, common-rail fuel injection with piezo electric fuel injectors. The 6.4L meets the 2007 emissions requirements and has been tested over 10 million miles to ensure this is the most durable engine yet.
We sure have come a long way in the last 25 years. Today, the Power Stroke ® is the best selling diesel engine in America. Approximately 3 out of 4 Super Duty ® owners pick the Power Stroke ® option when ordering their trucks. That’s because vehicles powered by Power Stroke ® Diesel engines are as versatile as they are rugged. The Power Stroke ® Diesel engine’s family of vehicles currently includes the Ford F-250 through F-550 Super Duty ® pickup trucks and chassis cabs, E-Series vans and cutaways as well as the new Low Cab Forward. The Power Stroke ® can also be found in past Excursion ® and the F650/F750 vehicles. They’re on the job every day in just about every application you can name – from construction, to ambulance use, to snow plowing to farming.
Why do customers choose the Power Stroke ® Diesel?
Power Stroke Performance:
Power Stroke ® Diesel engines provide performance customers can’t get anywhere else. The unparalleled performance is a result of leading technologies like cutting edge turbochargers, fuel injection systems and emissions control devices.
Reduced noise, vibration and emissions:
The noise and vibration reduction is a result of innovations such as peizo electric fuel injectors. Their precise injection timing allows for unprecedented timing and rate control during combustions events to ensure smooth engine operation. The emissions are controlled by exhaust gas recirculation systems and, on the 6.4L, an active exhaust after treatment.
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