QSL9
MARINE PROPULSION
ENGINES
COMMERCIAL AND
RECREATIONAL APPLICATIONS
GENERAL SPECIFICATIONS
In-line, 6-cylinder, 4-stroke diesel
Configuration\琀
Turbocharged / Aftercooled
Aspiration\琀
8.9 [542 in3 ]
Displacement\琀
Bore & Stroke\ 114 x 145 mm [4.49 x 5.71 in]
Rotation\ Counterclockwise facing flywheel
Fuel System\ High pressure common rail
PRODUCT DIMENSIONS AND WEIGHT
Overall Length mm (in) 1362.3 (53.63)
Length of Block mm (in) 856.0 (33.7)
Overall Width mm (in) 969.8 (38.18)
Overall Height mm (in) 1213.7 (42.78)
Weight kg (lb) 977 (2153)
POWER RATINGS
Output Power Engine Fuel Consumption Emissions
Engine Rating
Speed Rated Speed ISO*
Model kW MHP Definition IMO EPA EU RCD
RPM L/hr (gal/hr) L/hr (gal/hr)
Variable Speed (Commercial)
QSL9 209 285 1800 Continuous 54.3 14.4 36.9 9.8 2 — — —
QSL9 213** 290 1800 Continuous 53.4 14.1 37.3 9.9 2 3 — —
QSL9 213*** 290 1800 Continuous 55.0 14.5 38.0 10.0 2 3 — —
QSL9 243 331 1800 Heavy Duty 61.7 16.0 42.1 11.0 2 — — —
QSL9 246** 335 1800 Heavy Duty 63.1 16.7 43.6 11.5 2 3 — —
QSL9 246*** 335 1800 Heavy Duty 66.0 17.6 44.4 11.8 2 3 — —
QSL9 298 406 2100 Med. Continuous 80.2 21.2 53.0 14.0 2 — — —
QSL9 302** 410 2100 Med. Continuous 78.6 20.8 53.5 14.1 2 3 — —
QSL9 302*** 410 2100 Med. Continuous 82.0 21.7 55.9 14.8 2 3 — —
QSL9 336 456 2100 Med. Continuous 86.9 23.0 58.9 15.5 2 3 — —
Variable Speed (Recreational)
QSL9 302** 410 2100 High Output 78.7 20.8 53.5 14.1 2 3 — 2
*Average fuel consumption based on ISO 8178 E3 Standard Test Cycle (variable speed models) and ISO 8178 D2 Standard Cycle (fixed speed models).
**Heat exchanged (HX) configuration | *** Keel cooled (KC) configuration.
FEATURES AND BENEFITS Electronics – 12v and 24v Quantum System
electronics feature a proven ECM to monitor operating
parameters such as fuel consumption, duty cycle,
Engine Design – Robust engine designed for long life.
engine load and speed, while providing diagnostics,
Metric O-ring seals and edge molded gaskets eliminate
prognostics and complete engine protection.
fluid leaks. Aluminum pistons for exceptional durability.
Simplified electrical customer interface box for all
Fuel System – High pressure common rail vessel connections to reduce installation complexity.
electronically-controlled fuel system provides constant
Certifications – Complies with U.S. EPA Tier 3
high injection pressure regardless of engine speed or
emissions regulations without the use of
load condition. Benefits include low noise and vibration
aftertreatment. Designed to meet the International
for quiet operation and faster load acceptance.
Association of Classification Societies (IACS) and
Cooling System – Single loop, low temperature SOLAS requirements.
aftercooling eliminates the need for two keel coolers
Consult your local Cummins professional for a
and lowers emissions. Tube and shell heat exchanger
complete listing of available class approvals.
designed for superior durability and ease of service
with minimal maintenance requirements. Fan drive
available for radiator cooled configurations. OPTIONAL EQUIPMENT
Exhaust System – Cast water cooled exhaust
manifold for lower surface temperatures, safety and \ Front power take-off adapter
improved performance. \ Electric starting motors
Air System – Rear engine-mounted water cooled \ C Command Connect
turbocharger from Cummins Turbo Technologies \ SAE B accessory drive
optimized for marine applications.
Lubrication System – Standard capacity (18 L
[19 quart]) marine grade oil pan, plus a selection of
engine mounted and remote lube filters for installation
flexibility and ease of maintenance.
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