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John G. Smith is the editorial director of Newcom Media's trucking and supply chain publications -- including Today's Trucking, trucknews.com, TruckTech, Transport Routier, and Road Today. The award-winning journalist has covered the trucking industry since 1995.
Paccar’s proprietary 12-speed transmission
MT VERNON, WA - Paccar has unveiled a 12-speed automated transmission, rounding out a proprietary powertrain with the promise of better fuel economy and smoother shifts along the way. Developed over three years in a partnership with Eaton, the transmission will be released into the market this October. "The Paccar automated transmission is engineered to work seamlessly with Paccar MX engines and Paccar axles," says Landon Sproull, Paccar vice president. It will support linehaul applications with Gross Vehicle Weights up to 110,000 pounds, and engines delivering up to 510 horsepower and 1,850 lb-ft of torque. The first units will be an option with MX-13 engines.