The new gasoline truck is powered by a 6-liter General Motors Vortec V8 and matched to Allison 1000 Series 6 speed automatic transmission
The DD8 expands the medium-duty engine platform Detroit debuted last year with the launch of the DD5.
Available in three packages, FuelSense 2.0 allows fleets to optimize fuel economy and performance to their specific needs.
Among the new features is a redesigned vertical exhaust.
Horsepower ratings jumped from 260 to 300, with maximum GVW ratings increased to 35,000 pounds on air brake-equipped vehicles and 33,000 pounds on Park Pawl-equipped ...
Trucks contribute 6 percent of the CO2 emissions in the U.S., with 75 percent of that coming from long haul trucks.