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GM News Feed: Enhanced Allison 1000 Transmission Helps New Chevrolet Silverado Heavy-Duty Trucks Do More With Less Fuel

Bruce Nunnally

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PONTIAC, Mich. – When customers put their new, 2011 Chevy Silverado 2500HD and 3500HD trucks to work, they’ll find greater capability and improved fuel efficiency. A new 6.6L Duramax diesel and Allison 1000 six-speed automatic transmission powertrain is integral in the trucks’ greater performance, with the Allison transmission ensuring engine power is transmitted smoothly and efficiently in trucks with higher GVWRs.

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