Detroit Assembly Complex – Mack

Detroit Assembly Complex – Mack, previously known as the Mack Avenue Engine Complex, is a Stellantis North America automobile assembly factory in Detroit, Michigan. The plant is located adjacent to the Detroit Assembly Complex – Jefferson plant.

Detroit Assembly Complex – Mack
Coordinates42°23′03″N 82°58′44″W
IndustryAutomotive
ProductsJeep Grand Cherokee
Employees4,103 (2022)[1]
Area178 acres (72 ha)[1]
Volume2,500,000 sq ft (230,000 m2)[1]
Address4000 St. Jean Avenue
Detroit, Michigan
United States
Owner(s)

History

The original factory ("Old Mack") was built in 1916 by the Michigan Stamping Company. When Michigan Stamping was sold to Briggs Manufacturing Company in 1920, Briggs made bodies there for Plymouth, Ford, and others. Chrysler Corporation bought Mack Avenue and 11 other plants from Briggs in 1953. It continued to use it as a stamping plant for the nearby Dodge Main factory, Lynch Road Assembly, and Jefferson Avenue Assembly plants.

In 1979, a financially hurting Chrysler closed the now outdated factory and all but abandoned the site, which became derelict, overgrown, and a toxic brownfield. The city of Detroit bought it in 1982 but was unable to find a purchaser or afford environmental remediation for the site and returned it to Chrysler. In 1990 Chrysler began cleanup and demolition of the old plant and built a new factory on the site ("New Mack").[2]

The factory floor space covers 1,400,000 square feet (130,000 m2).[3] It was the original production site for the Dodge Viper, from 1992 to 1995 when the Viper moved to Conner Avenue Assembly. It was converted into an engine plant in 1998, with the additional 650,000 square feet (60,000 m2) of "Mack Engine II" added in 1999[3]

In April 2013, Mack Engine I produced the last PowerTech 4.7 L V8 engine and retooled to produce the Pentastar V6 engine. To switch to Pentastar production, 197 million dollars was invested in the Mack Engine I, and up to 250 jobs are to be added.[4]

In December 2018, Fiat Chrysler Automobiles announced that the Mack Avenue Engine Complex would be reopened and converted back into a vehicle assembly plant, to make the next generation Jeep Grand Cherokee starting in 2021.[5]

Products

Current

Previous

See also

References
  1. "Detroit Assembly Complex - Mack". Stellantis North America. December 2022. Retrieved 2023-09-06.
  2. "Chrysler's Mack Avenue Engine Plants". Allpar.com. Retrieved 2012-06-28.
  3. "Mack Avenue I & II". Chrysler LLC. Archived from the original on 2007-07-01. Retrieved 2008-05-05.
  4. Max Gates and Jeff Kalinowski. "Mack Avenue Builds Final 4.7; Looks Forward to Pentastar". Chrysler Blog. Archived from the original on 3 December 2013. Retrieved 12 April 2013.
  5. "Fiat Chrysler to build Jeep in revived Detroit plant".
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