7.3 Liter Power Stroke

 

7.3 L Power Stroke EngineChanges to the 7.3 liter engine in 1994 gave birth to the 7.3 liter Power Stroke. By 1999, International had built 1 million 7.3 Power Strokes, and the 2 millionth 7.3 was built in 2002. Unfortunatly, the 7.3 failed to meet stricter emission requirements and was therefore replaced early in 2003 by the 6.0 liter Power Stroke. The 7.3 is largely responsible for making the Power Stroke name legendary, as well as fueling the performance race between the big three (Ford, Chevrolet/GMC, & Dodge).

7.3 L Specifications:

 

Displacement:
 444 cubic inches, 7.3 liters
Configuration:
 V-8
Compression Ratio:
17.5:1
Bore:
 4.11 inches
Stroke:
 4.18 inches
Injection:
 Direct injection, HEUI (hydraulic electronic unit injection)
Aspiration:
 Single turbocharger
Valvetrain:
 OHV, 2 valves per cylinder
Oil Capacity:
15 quarts
Weight:
 approx. 920 lbs dry
Horsepower (peak)*:
275 HP @ 2,800 RPM
Torque (peak)*:
525 lb-ft @ 1,600 RPM
*peak refers to the highest rating given to the engine during its production.

 

7.3 L Power Stroke Facts

  • The 7.3 Liter Power Stroke is similar to the International T444E. The T444E is essentially the same engine as the 7.3 Power Stroke, but the "Power Stroke" name is only designated when the engine is used in Ford trucks. Power output and maximum RPM are the only significant differences between the engines. T444E stands for: Turbocharged 444 cubic inch Electronic (as in electronically controlled).
  • The T444E has been made available in applications above 60,000 lb. GVWR, and extremely popular in the medium duty truck market while it was available.
  • The 7.3 Liter Power Stroke was ranked in Diesel Power Magazine's top 10 diesel engines ever produced. Over 2 million 7.3 liter Power Strokes are still in operation today.
  • Over 2 million 7.3 liter Power Stroke equipped Ford trucks are in operation. That's more than Chevrolet, GMC, and Dodge diesel equipped trucks combined.
  • Though considered outdated when compared to today's diesel technology, the 7.3 was considered to be the leader in diesel technology during the time it was produced.