DMAX, LTD. Appoints New Head of Duramax Diesel Plant And New COO


DMAX Ltd.MORAINE, OHIO – DMAX, Ltd., has recently appointed Mr. Takashi Sadaoka as President, for DMAX.

Mr. Sadaoka will manage the Duramax Diesel Engine Plant located in Moraine, Ohio. DMAX is home to the proven Duramax 6.6L Turbo Diesel engine used in the Chevrolet Silverado and GMC Sierra heavy duty pickup trucks.

With 35 years of experience in the automotive industry, Mr. Sadaoka started with Isuzu Motors Limited at their Headquarters in Tokyo, Japan, in April 1983. He worked his way up through various management positions in the Isuzu International Service and Parts Sales Divisions, and was most recently Vice President of their Aftersales Division in Thailand.

DMAX Ltd.Mr. Sadaoka replaces Shinichi Suzuki, who led the diesel engine plant since August 2013. Suzuki will be returning to Isuzu Motors Limited, Japan.

Also announced, DMAX, Ltd. Plant Manager, Pat Curtis, has been appointed as the Chief Operating Officer (COO) by the DMAX Board of Directors. Pat will become an officer of the company and become a member of the management team, which will be comprised of the CEO, CFO and now the COO.

Pat has been at the Moraine, Ohio engine plant for one year. He started his 33-year career with the Packard Electric Division of General Motors and worked at both General Motors and Delphi at nine different locations within the U.S. and Canada. He has experiences in Engineering, Maintenance, Quality, Business Development, and Manufacturing.

Pat holds a Bachelor’s degree in Industrial Engineering from Iowa State University and a Master’s degree in Manufacturing Management from General Motors Institute, (now Kettering University).

DMAX has produced over 2.15 million engines through April 2018 and employs almost 800 people in the greater Moraine, Ohio area and 4 in the Pontiac/Flint MI area. GM owns 60 percent and Isuzu Diesel Services of America, Inc. owns 40 percent of the DMAX Joint Venture.

General Motors Co. (NYSE: GM, TSX: GMM) and its partners produce vehicles in 30 countries, and the company has leadership positions in the world’s largest and fastest-growing automotive markets. GM, its subsidiaries and joint venture entities sell vehicles under the Chevrolet, Cadillac, Baojun, Buick, GMC, Holden, Jiefang and Wuling brands. More information on the company and its subsidiaries, including OnStar, a global leader in vehicle safety, security and information services, can be found at

About Isuzu Motors
Founded in 1916, Isuzu Motors has the longest history of any Japanese vehicle manufacturer. During its years of operation, Isuzu has consistently focused on “creation without compromise” in the process of building Isuzu into the company it is today. Today, Isuzu is boldly taking up the challenge of global leadership in commercial vehicles and diesel engines while maintaining its traditions.

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