Mack Avenue Engine Complex

4000 St. Jean Avenue ,  Detroit ,  Michigan ,  United States

Mack Avenue Engine I
4000 St. Jean Avenue, Detroit, Michigan 48214
 
Floor Space: 1.4 million square feet

Acreage: 110 acres

Products: 3.0-liter (V-6) Pentastar; 3.2-liter (V-6) Pentastar; 3.6-liter (V-6) Pentastar

Employment: 731 (596 hourly; 135 salaried)

Robotics: 17

Union Local: UAW Local 51, 412 and 889

Plant History: The plant was purchased in 1953 by Chrysler Corporation and converted to a stamping plant in 1974. In 1992, it was converted to produce the Dodge Viper. Dodge Viper production moved to Conner Avenue Assembly Plant (Detroit, Mich.) in 1995. The Mack Engine Plant began producing engines in 1998. A second plant, Mack Engine II, was completed next door and began producing a new, smaller V-6 engine in 2000. Expansion lines were launched in May 2001. On Nov. 15, 2012, the Company announced that it would invest $198 million and add up to 250 new jobs to produce the award-winning Pentastar (V-6) engine at Mack I. The last 4.7-liter V-8 engine was later built on April 4, 2013. More than 3 million were manufactured since production began in 1998.

Mack Avenue Engine II
4500 St. Jean Avenue, Detroit, Michigan 48214

Floor Space: 650,000 square feet

Acreage: 110 acres

Union Local: UAW Local 51, 412 and 889

Plant History: The plant was constructed in 1999 to produce 3.7-liter engines for Jeep and truck vehicles. In August 2000, Machining Division was launched and in October 2000, the Assembly Division was launched. The first engine was built in November 2000. The plant was idled in September 2012 after producing 2,919,736 3.7-lter engines.

(Updated: June 2016)
 


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