Cummins QSB 6.7
Configuration In-line 6-cylinder, 4-stroke diesel
Bore & Stroke 107 mm x 124 mm (4.21 in x 4.88 in)
Displacement 6.7 L (408 in3)
Aspiration Turbocharged / Aftercooled
Rotation Counterclockwise facing flywheel
Certification Level Tier 3 / Stage IIIA
Power 230 – 550 hp / 172 – 410 kW
Torque 720 – 1250 lb-ft / 976 – 1695 N•m
– Unmatched peformance driven through a perfectly matched turbocharger and a new 24-valve cylinder head that delivers industry-leading power density
– Quiet operation, including an 80-percent reduction in noise at idle, is one of the many benefits from the common- rail fuel system.
– Enhanced sociability from the high-pressure common-rail design virtually eliminates smoke and improves the whole boating experience.