Detroit Diesel put a different spin on the old idea of double turbocharging by linking the DD15's second, low-pressure turbo to the flywheel. Called turbocompounding, the concept...
The new 12.8-liter DD13, aimed at vocational and weight-sensitive trucks, weighs 2,200 pounds and makes as much as 450 horsepower and 1,650 lbs.-ft. The builder says the new engine...
