Detroit-Hamtramck Assembly

Welcome to Detroit-Hamtramck

Detroit-Hamtramck (D-HAM) is among General Motors’ most complex Manufacturing Assembly facilities in North America building four vehicles on one production line. It is GM’s only plant located in Detroit with a total footprint that spans into two cities - Detroit and Hamtramck. Detroit-Hamtramck is the epicenter of electric vehicle production producing all of GM’s extended-range electric vehicles.

The first vehicle produced at D-HAM for sale – a Cadillac Eldorado – came off the end of the line at 12:05 p.m. on February 4th, 1985. Since then, more than four million cars have been built

The plant currently operates five days a week on two, eight hour shifts. 


Detroit-Hamtramck Plant News

Capturing Rainwater Saves GM Plant Millions of Dollars


A new project to capture storm water at GM Detroit-Hamtramck Assembly — home of the Chevrolet Volt — is slated to save the plant nearly $2 million every year. The initiative, which was two years in the making, allows the plant to reuse rainwater for manufacturing processes throughout the 4-million-square-foot facility.

Auction Winner Sees the First Retail Production CT6 Roll Off the Line at D-Ham


In April 2015, Ohio Dealer David Flynn paid $200,000 for the first retail production Cadillac CT6 as top bidder at the Barrett-Jackson Auction in Palm Beach, Fla. The auction benefitted the Barbara Ann Karmanos Cancer Institute.

Detroit-Hamtramck Assembly Facilities Team Polishes its Path to Perfection


Detroit-Hamtramck Assembly (D-Ham) recently recognized its Facilities team for reaching a major milestone in their floor refurbishment project. They completed 100,000 square feet of floor polishing over the last nine months, a momentous event for the team who had many initial reservations with the project.

GM’s Detroit-Hamtramck Assembly to Add Second Shift and More Than 1,200 Jobs


General Motors is nearly doubling its workforce at Detroit-Hamtramck Assembly by adding a second shift and more than 1,200 hourly and salaried jobs.

Cadillac Extends the Top of its Range with CT6


Cadillac tonight held the world premiere of the 2016 CT6, elevating it to the top of its range and creating a new formula for the prestige sedan through the integration of new technologies developed to achieve dynamic performance, efficiency and agility previously unseen in large luxury cars.

Cadillac Pioneers Advanced Mixed-Material Manufacturing


Cadillac will use the auto industry’s most comprehensive and advanced mixed-material manufacturing techniques to build its all-new CT6 top-of-range sedan, allowing creation of a top-of-range large luxury sedan with the agility and efficiency of a smaller vehicle.

Chevrolet Introduces All-New 2016 Volt


Chevrolet today unveiled the all-new 2016 Volt electric car with extended range, showcasing a sleeker, sportier design that offers 50 miles of EV range, greater efficiency and stronger acceleration.

GM to Announce New Michigan Investments at Detroit Economic Club


Today at the Detroit Economic Club, General Motors Co. (NYSE: GM) CEO Mary Barra will confirm that the company’s Warren Transmission Plant will build the electric drive unit for the second-generation Chevrolet Volt. That means most major Volt powertrain components – from its battery cells to its range-extender – will be made in Michigan...

GM Plants Recognized for Great Lakes Stewardship


Seven General Motors facilities are being recognized by the State of Michigan for ongoing efforts to improve the environment and quality of life in their communities.

Upcoming Top-End Product Named Cadillac CT6


DETROIT – Cadillac announced today that its new, high-technology car positioned at the top of its range will be called Cadillac CT6.

New Top End Cadillac to be Built in Detroit in 2015


Cadillac announced today it will elevate its growing portfolio with a new, top-end, high-technology car. The as-yet unnamed Cadillac will go into production in the fourth quarter of 2015 at the Detroit-Hamtramck assembly plant.

Next Generation Volt to debut at 2015 NAIAS


The next generation Chevrolet Volt will debut at the 2015 North American International Auto Show in Detroit, Global Chevrolet Chief Marketing Officer Tim Mahoney said today.

Chevrolet Volt Teams with MBAs Across America


Chevrolet is providing 12 extended-range electric Volts to help expand a unique program that matches local entrepreneurs and MBA students committed to revitalizing small businesses across America.

GM Adds 3 Acres of Solar Arrays in Michigan


BOSTON – General Motors is increasing its renewable energy use with 3 acres of new solar arrays at two Michigan facilities.

GM Outlines Efforts to Transform Transportation


DETROIT – Facing an automotive industry that is unsustainable in its current form, General Motors is restructuring its global vehicle portfolio, rethinking manufacturing and collaborating with unlikely partners to advance the industry.

It’s Always Mother’s Day for Detroit-Hamtramck Duo


DETROIT – For Detroit resident Evetta Osborne, every day is Mother’s Day. That’s because she literally works side by side with her daughter, Monique Watson, at General Motors’ Detroit-Hamtramck assembly plant. They have installed the lithium-ion battery pack on nearly every Chevrolet Volt, Opel Ampera, Holden Volt, and Cadillac ELR since production began.

Impala Sees 113 Percent Retail Segment Share Growth


DETROIT – Chevrolet’s redesigned 2014 Impala sedan has gained nearly 8 percentage points of retail market share since launch – measuring 14.7 percent at the end of the first quarter compared to 6.9 percent a year earlier when the cars first arrived in dealerships.

GM Plant to Help Build First Shipping Container Homestead


DETROIT – General Motors’ Detroit-Hamtramck Assembly plant is collaborating with Detroit nonprofit Michigan Urban Farming Initiative (MUFI) to help build the city’s first occupied shipping container homestead.

Four GM Plants Repeat ENERGY STAR® Challenge


DETROIT – Four General Motors plants have met the ENERGY STAR® Challenge for Industry voluntary energy reduction challenge for a second time, The U.S. Environmental Protection Agency announced.

GM’s ‘Climate Declaration’ Speaks Louder than Words


In the year following the Climate Declaration signing, General Motors continues to prove there is economic opportunity in tackling climate change.

GM Invests $449 Million for Next Generation Electrification


DETROIT – In preparation for the next generation of electric vehicles and advanced battery technologies, General Motors will invest $449 million to upgrade manufacturing processes at Detroit-Hamtramck Assembly and Brownstown Battery Assembly plants.

GM Invests Nearly $1.3 Billion for Five U.S. Plant Upgrades


FLINT, Mich. – General Motors will invest nearly $1.3 billion in five manufacturing sites in Michigan, Ohio and Indiana to produce new fuel-efficient engines and transmissions, enhance vehicle quality and streamline logistics. The investments combined will create or retain about 1,000 jobs.

Feathers, Sniffers, Probes…Oh My!


DETROIT– Amid high-tech robots, miles of conveyers and multiple assembly lines, a number of inconspicuous hand-held “tools” and their skilled operators are helping General Motors ensure highest levels of vehicle quality before they leave assembly plants.


UAW Local 22

Most Detroit-Hamtramck team members are represented by United Auto Workers Local 22.


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