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Eaton Launches New Line Of Medium-Duty Dual Clutch Transmissions

Scheduled to be available in the North American market mid-year in 2015 and available globally in the future, the new seven-speed transmissions feature a dual clutch design and electronic shifting that uses grade, vehicle weight and throttle input to provide optimal fuel efficiency and smooth, continuous delivery of torque to a vehicle’s wheels under all shift conditions.

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GALESBURG, Mich. – Eaton has introduced Procision, a new line of medium-duty dual clutch transmissions that the company says delivers 8 to 10 percent better fuel economy than a similarly equipped vehicle with a torque converter automatic.
 
Scheduled to be available in the North American market mid-year in 2015 and available globally in the future, the new seven-speed transmissions feature a dual clutch design and electronic shifting that uses grade, vehicle weight and throttle input to provide optimal fuel efficiency and smooth, continuous delivery of torque to a vehicle’s wheels under all shift conditions.
 
Eaton employed the dual clutch technology to allow for more efficient acceleration from a stopped position, and to optimize shift points that will efficiently get to the highest gear. Gear changes are made by swapping the engine torque between clutches with the next gear preselected.
 
The dual clutch module is fully contained within the transmission, hydraulically controlled and oil cooled for extended life. A five-spring damper is used to control torsional vibrations and is fully sealed to eliminate contamination.
 
Smart features such as Eaton Dynamic Shifting allow the transmission to automatically switch between economy and performance shift schedules based on mass, grade and driver demand. Base shift results are modified dynamically based on available torque, engine acceleration and grade.
 
Economy and performance shift tables can be adjusted to tune an overall calibration to meet any customer’s specific needs. The calibration flexibility is the most ever offered on an Eaton transmission, according to the company.
 
The Procision design life (B-10) is 10 years/400,000 miles. Eaton Procision transmissions carry a three-year/unlimited mile warranty, which covers the complete system including the dual clutch module, for commercial vehicle applications. School bus applications receive a five-year/unlimited mile warranty.
 
For more information, visit www.eaton.com/roadranger.

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