Ford 4.4 Turbo Diesel

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See also Ford Lion V8

The Ford 4.4 TD is a diesel engine developed and built by Ford Motor Company. It is based on the Lion V6 Diesel and has a power output of 335 hp (250 kW) and 516 lb·ft (700 N·m) of torque. As with the other AJDs, it has a Compacted Graphite Iron block that reduces weight while increasing engine block strength. Its bore diameter is 84 mm and the stroke is 98.5 mm, giving a displacement of 4367 cc.

The 4.4L is built at Chihuahua Engine Plant in Chihuahua, Chihuahua, Mexico along with the 6.7L Ford Power Stroke Diesel engine available in Ford Super Duty trucks. Current application of the 4.4L TD engine is the Land Rover Range Rover.

While in development, the 4.4 TD was rumored to be for use in the Ford F-150, Ford Expedition, and as an entry level diesel option for the Super Duty. No such option ever became available with Ford citing the reason as being a low demand for a vehicle with a $6000–$8000 premium over its gasoline models.


  • "Ford mulls new 4.4-litre diesel for F-Series trucks". Archived from the original on October 18, 2006. Retrieved October 31, 2006.
  • "Raising the Bar: Ford to introduce F-150 with diesel engine by 2009". AutoWeek. Retrieved October 31, 2006.