QSC8.3

  • Unmatched performance from industry-leading power density on this four-valve-per-cylinder engine

  • Increased durability from innovative engine design characteristics

  • Improved fuel economy and sociability from the high-pressure common-rail fuel system

  • Maximize vessel performance and access comprehensive vessel diagnostic information via SmartCraft® electronics

  • Peace of mind delivered by the Cummins Captain's
    Briefing and global service network

  • Built at Rocky Mount Engine Plant in Rocky Mount, NC, U.S.

Configuration In-line, 6-cylinder, 4-stroke diesel
Aspiration Turbocharged / Aftercooled
Displacement 8.3 L
Bore & Stroke 114 X 135 mm
Rotation Counterclockwise facing flywheel
Fuel System High Pressure Common Rail
Overall Length 1422.0 mm
Length of Block 856.0 mm
Overall Width 977.5 mm
Overall Height 981.6 mm
Weight 896 kg

Recreational Marine Propulsion Engines (Variable Speed Ratings)

Model kW MHP BHP Speed (RPM) Rating Emissions
QSC8.3 368 500 493 2600 High Output IMO 2 | EPA 3 | RCD 2
QSC8.3 404 550 543 3000 High Output IMO 2 | EPA 3 | RCD 2
QSC8.3 441 600 592 3000 High Output IMO 2 | EPA 3 | RCD 2

Commercial and Light Duty Marine Propulsion Engines (Variable Speed Ratings)

Model kW MHP BHP Speed (RPM) Rating Emissions
QSC8.3-SW 368 500 493 2600 Intermittent IMO 2
QSC8.3-SW 368 500 493 2600 Intermittent IMO 2 | EPA 3
QSC8.3-KC 368 500 493 2600 Intermittent IMO 2 | EPA 3
QSC8.3-SW 395 537 530 2800 Intermittent IMO 2 | EPA 3
QSC8.3-SW 441 600 592 2800 Light Duty Commercial IMO 2 | EPA 3
QSC8.3-KC 441 600 592 2800 Light Duty Commercial IMO 2 | EPA 3