Volvo Penta D8-550 marine diesel engine 550hp

The Volvo Penta D8-550 is a premium in-line 6-cylinder marine diesel engine engineered for unmatched power, efficiency, and reliability. Featuring a 7.7-liter displacement, common-rail fuel injection, double overhead camshafts, and a twin-entry turbocharger with supercharger, the D8-550 delivers 550 horsepower at 2900 RPM. It offers exceptional torque at low RPM, fast acceleration, and extended cruising range—making it ideal for both commercial operators and recreational boaters.