Detroit Diesel debuts new 7.7 liter engine for RVs

(March 16, 2017) -- At the Work Truck Show in Indianapolis Wednesday, Detroit Diesel unveiled its new DD8 medium-duty engine. The vocational 7.7 liter in-line six-cylinder diesel engine boasts a range of 260 hp to 350 hp and a torque range of 660 to 1050 foot pounds, CCJ News reported.