Navistar T444E engine

Navistar T444E

Manufacturer	Navistar International
Also called	Ford PowerStroke diesel
Production	1994-2003
Predecessor	International Harvester IDI
Successor	Navistar VT365 Ford 6.0L PowerStroke V8
Configuration	V8
Displacement	444 cu in (7.3 L)
Cylinder bore	104.4 millimetres (4.11 in)
Piston stroke	106.2 millimetres (4.18 in)
Fuel system	direct injection
Fuel type	Diesel
Power output	185-275hp
Torque output	350-525 lb-ft

The T444E is a Diesel V8 engine manufactured by Navistar International Corporation. It was used by Ford Motor Company, branded the Ford Power Stroke engine, from 1994 through 2003, replacing an earlier 7.3 L indirect-injection V8 from Navistar. It was replaced in 2003.5 (After December 31, 2002) by the 6.0 L VT365.

The T444E used a 104.4 mm bore and 106.2 mm stroke. Power output was 215 hp (119.3118 kW) at 3000 rpm and 425 ft·lbf (705 Nm) at 1600 rpm for 1994-1997. Power was increased in 1999 to 235 hp at 2600 rpm and 500 ft lb of torque at 1600 rpm. in 2002 power was up to 250 hp at 2600 rpm and 525 ft lb of torque at 1600 rpm in automatics and 275 hp in manuals. International built nearly 2 million 7.3 L Power Stroke V8s for Ford at their Indianapolis, Indiana plant before switching to the 6.0. Federal emission laws are the main reason the 7.3L was discontinued.

Applications:

• 1994.5-1997 Ford F-250/F-350
• 1999-2003 Ford Super Duty
• 2000-2003 Ford Excursion
• 1994.5-2003 Ford Econoline
• 1994-2003 Ford E-Series van/bus chassis
• International 3600/3700/3800 bus chassis

See also

• Ford Power Stroke engine