The Cummins QSX15 is a 15-liter (915 cubic inches) diesel engine that features a 6-cylinder in-line configuration.
The engine is turbocharged and aftercooled, and it meets EPA Tier 4 Final and EU Stage IV emissions regulations.
The QSX15 has a peak power output of up to 675 horsepower (503 kilowatts) and a maximum torque of 2,969 pound-feet (4,024 newton-meters).
The engine features a common-rail fuel injection system, an air-to-air charge cooling system, and a Cummins VGT (Variable Geometry Turbocharger) for improved efficiency and responsiveness.
The QSX15 is designed for a wide range of applications, including heavy-duty trucks, construction equipment, marine vessels, and power generation systems.