International to Couple Allison TC10 With Cummins ISX15

October 01, 2015

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Photo: Tom Berg
Photo: Tom Berg

International Truck will be offering the Allison TC10 automatic transmission coupled with the Cummins ISX15 on its International ProStar Model. The combination will be available for order by Dec. 2015.

The engine/transmission combination is an industry first, according to International. The Allison TC10 has 10 forward gears and two reverse and uses a torque converter and full power shifts to offer better performance when compared to automated manual transmissions, the company says.

"With the TC10, Allison has been able to bring its reputation for smooth vehicle drivability along with transmission reliability and performance to the Class 8 tractor market," said Heidi Schutte, executive director of North America sales for Allison. "The TC10 maximizes powertrain fuel efficiency while achieving and maintaining highway cruising speeds to save both time and money."

The TC10 was introduced in 2014 and paired with ProStar and TranStar trucks powered by the N13 engine. The Allison TC10 is the first fully automatic transmission for the Class 8 on-highway segment, according to International.

"We set very aggressive performance and fuel economy targets for the TC10," said Randy Kirk, senior vice president of engineering and product teams for Allison. "We're proud to see the TC10 exceeding those expectations with significant fuel economy gains when compared to fleet averages with other transmission technologies."

The Allison TC10 comes with Allison’s newest generation of electronic controls and FuelSense technology to provide fuel economy-improving features, prognostics to stop unnecessary oil and filter changes and better shift-selector functionality. The transmission comes with a standard five-year, 750,000 mile warranty.

For more information, click here.


  1. 1. Cliff Downing [ October 02, 2015 @ 08:23PM ]

    Have had a keen interest in the Allison TC10 trans as an option in the future. But with the ISX? That has to be a real heavy critter. The TC10 already weighs more than any other trans available in the Prostar, and the ISX is substantially heavier than their Maxxforce 13. Maybe if one goes with only 1 drive axle and only one 100 gallon fuel tank, the weight might make it worth it. But it is not a combination that causes me to sit up and take notice. Count me out.


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