LISLE, Ill. — Navistar Inc. today announced they have secured more than 10,000 orders for International Trucks powered by the Cummins ISX15 engine and Cummins SCR aftertreatment system. The announcement comes seven months after the re-introduction of the industry leading truck and engine...
I am curious as too what everyone is getting for fuel mileage with the new motors? I have to be honest, I am not impressed at all. Average fuel economy is around 4.1 miles per gallon according to the trucks on board computer. I understand is the 600 HP ISX Cummins but wasn't the big talk about...
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