Warren Transmission


Print Print   |  Send Email  |  Share Add This  


6275 Nine Mile Road
Warren, MI. 48091 United States

Year Opened:

1941 (site opened); GM purchased in 1958

Facility Size:

2.1 million sq. ft.

Employee Information







Union Local:

UAW Local 909

Facility Details

The General Motors Powertrain Warren Transmission Plant is the proud producer of the 6T70E / 6T75E world-renowned Hydra-Matic transmissions for GM’s great vehicles, including:  Chevrolet Traverse, Malibu, Equinox and Impala; GMC Acadia and Terrain; Buick Enclave and Regal, and Cadillac XTS.  The plant employs 581 people.  Hourly employees are represented by UAW Local 909. 

Product Applications

6-Speed Transmission:

  • Chevrolet – Traverse, Equinox and Impala
  • GMC – Acadia and Terrain
  • Buick – Enclave and Regal
  • Cadillac – XTS

Electric Drive Unit:

  • Chevrolet Volt and Malibu Hybrid


  • 2014:  Built In Quality Level IV (GM Internal)
  • 2013:  UAW-GM Quality Network “Best in Class” Recertification (GM Internal)
  • 2012:  Built In Quality Level III Award (GM Internal)
  • 2010:  4-Star Energy Performance Award (GM Internal)
  • Wildlife habitat certified since 2009
  • MDEQ Business Pollution Prevention Partner since 2008
  • Landfill free certified since 2008
  • MDEQ Neighborhood Environmental Partner since 2006
  • MDEQ Clean Corporate Citizen since 2005

GM State Economic Impact

  • State Wages: $5,016,686,082.71
  • Income Tax: $202,769,725.11

Back to top