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GM powertrain designs, engineers and manufactures engines, transmissions, castings, and components for GM vehicles and other automotive, marine and industrial original equipment manufacturers. It has operating and coordinating responsibility for GM's powertrain manufacturing plants and engineering centers in North and South America, Europe and the Asia-Pacific region, with global headquarters in Pontiac, Mich. The GM Powertrain team includes 86 facilities, 17 countries, and approximately 48,700 members.