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    1. Equipment
    2. Trucks

    Eaton expands automated transmission lineup with 9 new models

    July 7, 2015
    EATON has added new electronic capabilities to its Fuller Advantage Series and UltraShift PLUS automated transmissions that allow for disengagement of a truck’s driveline while on slight downhill grades to drop engine speeds to idle.

    EATON has added new electronic capabilities to its Fuller Advantage Series and UltraShift PLUS automated transmissions that allow for disengagement of a truck’s driveline while on slight downhill grades to drop engine speeds to idle. Announced at the 2015 Mid-America Trucking Show, the technology improves fuel consumption by up to 1% and ensures safe operation regardless of driving conditions.

    Known internally at Eaton as Neutral Coast Mode, it will be named SmartCoast when paired with a Cummins engine, Fuel Efficient Coast when paired with a Navistar engine, and Neutral Coast when paired with a PACCAR engine. It is available on all vehicles with a 2013 or newer Cummins ISX1, Navistar N13, or PACCAR MX-13 engine.

    “This new option promises to bring fuel efficiency improvements to linehaul fleets typically traveling on roads where hills and grades are present,” said Ryan Trzybinski, product planning manager, Eaton. “The gains will vary depending on the amount and severity of grades encountered.”

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    Neutral Coast Mode allows the transmission to disengage the driveline by pulling out of gear on downhill grades where little or no engine power is required, when the vehicle is in cruise control and the transmission is in drive mode. The vehicle’s display will simultaneously flash a gear number that represents the gear that the transmission will select when it is necessary to engage.

    The transmission exits Neutral Coast Mode under any of the following conditions:

    •   Vehicle brakes are applied.

    •   Driver presses accelerator pedal.

    •   Cruise control is cancelled.

    •   A mode other than Drive is selected.

    •   Cruise high or low set speeds are exceeded.

    •   Maximum vehicle grade is exceeded.

    •   Request by an adaptive cruise system.

    “Neutral Coast Mode features Eaton proprietary logic that works with the engine ECU or another ECU to determine the appropriate time for the transmission to decide when the driveline should be engaged or disengaged,” Trzybinski said.

    Eaton also announced a wide range of Fuller Advantage Series Transmissions. The nine new models include:

    •   Three manual transmissions with new direct drive gear ratios.

    •   Two automated models with new direct drive gear ratios.

    •   Four automated transmissions with new overdrive ratios.

    All of the Fuller Advantage Series automated 10-speed transmissions, which feature a precision lubrication system that eliminates the need for an oil cooler, are available for delivery to all North American truck makers. “S” (Small Step) ratio models, with fuel-efficient shifting between 9th and 10th gears, are rated up to 80,000 pounds GCWR (Gross Combined Weight Rating) only. The remaining models (direct and overdrive) will be rated up to 110,000 pounds GCWR at the end of April this year.   ♦

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