Detroit Assembly Complex – Mack

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Detroit Assembly Complex – Mack

Overview
Detroit Assembly Complex – Mack is a Stellantis auto plant in Detroit, Michigan. It sits next to the Detroit Assembly Complex – Jefferson and sits on about 178 acres. The site employs roughly 4,100 people (2022) and currently builds the Jeep Grand Cherokee.

History
- 1916: The original Mack Avenue plant (“Old Mack”) was built by the Michigan Stamping Company.
- 1920: Briggs Manufacturing Company bought Michigan Stamping and produced bodies there for Plymouth, Ford, and others.
- 1953: Chrysler Corporation bought Mack Avenue and 11 other plants; it continued using Mack as a stamping site for nearby Dodge Main, Lynch Road, and Jefferson plants.
- 1979: Chrysler closed the aging factory and largely abandoned the site; it became derelict and a brownfield.
- 1982: City of Detroit bought the site but could not fund remediation; it returned the land to Chrysler.
- 1990: Chrysler began cleanup and demolition of the old plant and built a new factory on the site (“New Mack”).
- 1992–1995: It was the original production site for the Dodge Viper (production moved to Conner Avenue Assembly in 1995).
- 1998–1999: The plant was converted to an engine plant, with Mack Engine II expanding by 1999.
- April 2013: Mack Engine I produced the last PowerTech 4.7 L V8 engine and was retooled to produce the Pentastar V6 engine, with a $197 million investment and up to 250 new jobs.
- December 2018: Fiat Chrysler Automobiles announced reopening the Mack Avenue Engine Complex as a vehicle assembly plant to build the next-generation Jeep Grand Cherokee starting in 2021.

Products
- Current: Jeep Grand Cherokee
- Previous engines produced at Mack: 4.7 L PowerTech V8; 3.7 L PowerTech V6; 3.0 L, 3.2 L, and 3.6 L Chrysler Pentastar V6

See also
- List of Chrysler factories