DMAX History

DMAX Ltd.DMAX Ltd. is a 60:40 joint venture between General Motors and Isuzu Motors, Ltd. It features a 540,000 square-foot manufacturing facility and 44,000 square-foot administration building. Its facility produces Duramax 6.6L V-8 turbo-diesel engine offered on GMC Sierra and Chevrolet Silverado HD pick-up trucks. With over 2 million Duramax diesel engines put into operation since its launch in 2000, DMAX Ltd. has extensive diesel engine development experience for meeting the demands of the heavy-duty truck customer.

1997 Community Support (Tax Abatement; Training Grant; EDGE Grant)
1998 Groundbreaking for new facility
2000 07-17-00 First production engine
2000 10-16-00 Assembly 2 shifts, Machining 3 shifts
2001 Ward’s Automotive 10 Best Engines for ’01 & ‘02
Motor Trend Truck of the Year
2001 100,000 engines built
2004 500,000 engines built
2007 940,000 engines built through November
2008 One millionth engine built and celebrated
2010 10 year anniversary; Launch of 2010 (i) engine
2012 1.5 millionth engine built and celebrated
2014 2017 engine upgrade program announced ($60M)
2014 J.D. Power “Best in Class – Diesel Segment”
2016 Launch of 2017 L5P series engine
2017 Two millionth engine (March, 2017)


Currently ISO 14001 and TS 16949 Certified