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The first engine to bear the Power Stroke name, the 7.3 L Power Stroke V8 is the Ford version of the Navistar T444E turbo-diesel V8. Introduced in 1994 as the replacement for the 7.3 L IDI V8, the Power Stroke/T444E is a completely new design, with only its bore and stroke dimensions common with its predecessor (resulting in its identical 444 ...
The Navistar T444E is a diesel V8 engine manufactured by Navistar International Corporation. In its use in Ford Motor Company trucks, vans, and school buses, it is the first of the Power Stroke family of diesel engines. The T444E was manufactured from 1994 to 2003, replacing the 7.3L IDI V8 designed by International Harvester.
These engines were used by IHC for some heavy-duty applications until 1935, although their own large engines (525 cu in (8.6 L) FBD and 648 cu in (10.6 L) FEB) had appeared in 1932. [6] The medium-duty 1930 A-series trucks received the all-new 278.7 cu in (4.6 L) FB-3 six-cylinder engine, with overhead valves and seven main bearings .
The Navistar VT engine family is a line of diesel engines that was produced by International Truck and Engine (Navistar International) from 2003 to 2016.Developed as the replacement for the T444E V8, the VT V6 and V8 diesels were the smallest diesel engines used in Navistar vehicles, slotted below the DT inline-6 engine family.
Ford's 10-speed 10R140 TorqShift automatic transmission was now standard with the diesel and 7.3-liter gasoline engines on the F-250 and all engines on the F-350; the 6-speed was still available, but only in the F-250 with the 6.2-liter engine and even the F-350 XL DRW with the Payload Package of the same engine (though this is a rare option).
Later models came with hydraulic clutches. These were commonly found in Pintos, some Mustang II/Capris, and Rangers but do not match the V6 Bell housings. Changing the engine to a V6 often requires changing the bellhousing (Mitsubishi) but the Mazda trans had an integral bell. 2.6, 2.8, 2.9, and 2.9 Cosworth. Most of these were RWD car engines.
As the 6.4L engine would not properly fit in the vehicle, the E-Series continued use of the 6.0L diesel. After the 2010 model year, Ford ended the use of International-supplied diesel engines. From 2011 onward, the Super Duty was fitted with diesel engines developed by Ford; the E-Series shifted production exclusively to gasoline-based engines.
For 1993, a turbocharger became available on the 7.3L "IDI" diesel. In the middle of the 1994 model year (referred to as "1994.5"), International replaced the IDI with the new 7.3L T444E turbo diesel, the first engine branded as a Ford Power Stroke. While sharing its predecessor's displacement, the engine was an entirely new design.