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Cummins QSL 9 Technical Specifications

QSL9 for Recreational Marine
  • Dependability and long life proven through thousands of hours of reliable commercial and trawler operation
  • Clean, quiet operation with virtually no startup smoke from the high-pressure common-rail fuel system
  • Excellent fuel economy for long range cruising
  • Peace of mind delivered by the Cummins Captain’s Briefing and global service network
View PDF Description Size Date
QSL 9 General Engine Data Sheet (640 KB) January 2007
QSL 9 Quantum Series Engine Overview (640 KB)
QSL 9 3D Interactive Model (4,040 KB) November 2013

Identifying your QSL 9 engine components
View Article Description Date
QSC & QSL 9 Heater Hookups March 2012
QSC & QSL9 Fuel inlet Bleed Screw Location October 2011
Zinc Locations on The QSL 9 November 2011
QSC & QSL 9 Heater hook-up June 2011

Engine upgrades & Customization
View Article Description Date
QSL9 and Diamond 450 - Mods to Make Things Easier April 2012

View PDF Model No. Rating Designation CPL Code Curve No. Date
EPA Tier 3 Engines
QSL9 - 290 CD (KC) COMMERCIAL 4254 M-94510 October 2013
QSL9 - 290 CD (SWAC) COMMERCIAL 4254 M-94509 October 2013
QSL9 - 355 HD (KC) COMMERCIAL 4254 M-94508 October 2013
QSL9 - 355 HD (SWAC) COMMERCIAL 4254 M-94507 October 2013
QSL9 - 410 MCD (KC) COMMERCIAL 4254 M-94506 October 2013
QSL9 - 410 MCD (SWAC) COMMERCIAL 4254 M-94349 October 2013
QSL9 - 410 HO (SWAC) RECREATIONAL 4254 M-94505 October 2013
EPA Tier 2 Engines
QSL9 - 285 CON COMMERCIAL 8419 M-91392 Jan 2007
QSL9 - 330 HO RECREATIONAL 8419 M-91397 Jan 2007
QSL9 - 330 HD COMMERCIAL 8419 M-91391 Jan 2007
QSL9 - 405 HO RECREATIONAL 8419 M-91396 Jan 2007
QSL9 - 405 MCD COMMERCIAL 8419 M-91239 Jan 2007

View PDF Description Size Date
QSL Engine Drawings (2,724 KB) July 2013
QSL Drawing - Sub Systems (2,852 KB) October 2005
QSL 9 Industrial Installation Directions (586 KB) March 2010
QSL - QSC Front Mount Options (222 KB) October 2005

View PDF Description Size Date
QSB, QSC, QSL Smartcraft Wiring #3970189 (1,830 KB) November 2005
Specifications
Configuration In-line 6-cylinder, 4-stroke diesel
Bore & Stroke 114 mm x 145 mm (4.49 in x 5.71 in)
Displacement 8.9 L (542 in3)
Aspiration Turbocharged / Aftercooled
Rotation Counterclockwise facing flywheel

Markets Marine
Certification Level Tier 2 / Stage II
Power 285 - 405 hp / 213 - 303 kW
Torque 983 - 1194 lb-ft / 1333 - 1619 Nm

Ratings
Rating mD/HO HD/HO CD/HO
Metric hp 405 330 285
bhp 400 326 281
KW 295 243 210
Rated rpm 2100 1800 1800
Max Torque ft-lbs 1194 1145 983
Max Torque N-m 1619 1553 1332
rpm @ max torque 1400 1400 1400

Features
Fuel System: Cummins High-Pressure Common-Rail; handed spin-on Fleetguard fuel filter

Lubrication System: Handed spin-on Fleetguard lube filter

Electrical System: 12-volt and 24-volt systems available

Coolant System: Sea water heat exchanger cooling system; Keel cooled system available

Emissions: EPA Tier 2, IMO, and RCD certified