The Detroit Diesel DD15 is a 14.8-liter, inline 6-cylinder engine designed for heavy-duty commercial applications, particularly long-haul trucking and vocational vehicles. Known for its high power output, excellent fuel efficiency, and low emissions, the DD15 is a flagship engine in the Detroit Diesel lineup. It delivers optimal performance with advanced technology that ensures power delivery, fuel savings, and compliance with stringent environmental regulations. The engine features a compression ratio of 21.0:1, a bore of 5.47 inches (139 mm), and a stroke of 6.42 inches (163 mm). Weighing 2,718 pounds (1,233 kg) dry, it offers superior durability. With DDEC electronics and a service fill capacity of 45 quarts (43 liters) for oil and filter changes, the DD15 is engineered for lasting reliability in demanding applications.

ENGINE SPECIFICATIONS

Maximum Power             Maximum Torque             Emissions

425 - 550 hp                      2102 - 2508 Nm                GHG17 standards