Detroit DD5 and DD8 medium-duty engines available on Thomas Built Buses in 2018
Daimler Trucks North America (DTNA) unveiled the new Detroit DD8 diesel engine at the NTEA Work Truck Show this month. The Detroit DD8 is the second medium-duty engine that DTNA has unveiled. In March 2016, DTNA announced the Detroit DD5 diesel engine. The Detroit DD5 engine will be available for the Thomas Built Saf-T-Liner C2, and the DD8 will be offered for the Thomas Built Saf-T-Liner HDX starting in 2018.