CUMMINS
Manufacturer
QSC8.3
Model
#qsc83
Reference Number
20xx
Year
Need Noise Free Recreation?
QSC8.3 for Marine
Quiet operation, including an 80-percent reduction in noise at idle, is one of the many benefits from the common-rail fuel system.
Applications
Marine
Recreational Marine
Marine Propulsion Engines
Commercial Marine
Speed (RPM)
Horsepower
Power
490 - 600 hp
365 - 447 kW
Torque
1327 - 1327 lb-ft
1799 - 1799 N•m
Certification
RCD 2
Overview
- 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.
Specifications
Configuration |
In-line, 6-cylinder, 4-stroke diesel |
Aspiration |
Turbocharged / Aftercooled |
Displacement |
8.3 L (505 in3) |
Bore & Stroke |
114 X 135 mm (4.49 X 5.31 in) |
Rotation |
Counterclockwise facing flywheel |
Fuel System |
High Pressure Common Rail |
Features
Engine Design – Unmatched performance from industry-leading power density on this four-valve-per-cylinder engine. 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
Fuel System – Improved fuel economy and sociability from Cummins high pressure common rail fuel system; handed spin-on engine mounted fuel filter
Lubrication System – Handed spin-on engine mounted lube filter, cast aluminum oil pan
Cooling System – Sea water heat exchanger cooling system
Air Intake System – New Walker air filter significantly reduces noise
Exhaust System – Cast water cooled exhaust manifold for lower surface temperatures, safety and improved performance
Electronics – 12v and 24v Quantum System electronics feature a proven ECM to monitor operating parameters such as fuel consumption, duty cycle, engine load and speed, while providing diagnostics, prognostics and complete engine protection. Simplified electrical customer interface box for all vessel connections to reduce installation complexity
Certifications – Complies with U.S. EPA Tier 3 emissions regulations without the use of aftertreatment. Designed to meet the International Association of Classification Societies (IACS) and SOLAS requirements. Consult your local Cummins professional for a complete listing of available class approvals.
Optional Equipment
- Engine Controls – Digital Throttle and Shift; Electronic Throttle and Shift (ETS) and optional potentiometer for mechanical controls
- Instrumentation – SmartCraft® digital displays and/or analog gauges provide data on engine speed, oil pressure, engine load and more
- Vessel System Integration – SmartCraft® monitors fluid level, vessel range, depth, vessel speed, rudder position, temperatures and more
Ratings
Recreational Marine Propulsion Engines (Variable Speed Ratings)
Model |
kW |
MHP |
BHP |
Speed (RPM) |
Rating |
Emissions |
Performance Curve |
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 |
Performance Curve |
QSC8.3-SW |
368 |
500 |
493 |
2600 |
Intermittent |
IMO 2 | EU 3a |
|
QSC8.3-SW |
368 |
500 |
493 |
2600 |
Intermittent |
IMO 2 | EPA 3 | EU 3a |
FR94342 |
QSC8.3-KC |
368 |
500 |
493 |
2600 |
Intermittent |
IMO 2 | EPA 3 | EU 3a |
|
QSC8.3-SW |
441 |
600 |
592 |
2800 |
Government Services |
IMO 2 | EPA 3 | EU 3a |
For more information on marine ratings, click here. For more on marine emissions information, click here.