LISLE, Ill. — Navistar has announced Allison Transmission’s new fuel-efficiency package is now available on medium-duty and vocational International trucks.
Allison’s FuelSense fuel-efficiency package is available on 1000- through 4000-series transmissions, in International TerraStar, DuraStar, WorkStar and PayStar trucks.
The system automatically adapts shift schedules and torque, maximizing transmission efficiency, based on load, grade and duty cycle, the company claims.
“Allison’s internal testing shows FuelSense cuts fuel consumption by up to 20% depending on duty-cycle and application,” said Steve Gilligan, vice-president, product and vocational marketing, Navistar. “Through electronic software calibrations and mechanical improvements, the new features address powertrain efficiency, one of the many leading attributors to fuel economy.”
FuelSense features include: fifth generation smart controls, acceleration management and an inclinometer; EcoCal shift technology to keep engine speed at its most efficient level; dynamic shift sensing to automatically sense when low-engine speed shifts can be made; neutral at stop, which eliminates the load on the engine when the vehicle is stopped; and acceleration rate management, which relegates engine power to match acceleration curves and controls engine torque.
“This is a great option for customers who operate in high density city environments or have demanding start and stop duty-cycles and seek fuel economy improvements and cost savings,” Gilligan said. “We have seen FuelSense perform well in the International ProStar with the Allison TC-10 transmission and we are excited to now include this as an option on our medium-duty and vocational products.”
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