| Configuration | In-line 6-cylinder, 4-stroke diesel |
| Bore & Stroke | 125 mm x 147 mm (4.92 in x 5.79 in) |
| Displacement | 10.8 L (661 in3) |
| Aspiration | Turbocharged/Aftercooled |
| Rotation | Counterclockwise facing flywheel |
- Dependability and long life proven through thousands of hours of reliable commercial and trawler operation
- Excellent fuel economy for long range cruising
- Peace of mind delivered by the Cummins Captainās Briefing and global service network
Updated Troubleshooting for Dry QSM11 Exhaust Manifold Leaks for Marine
Photo Credits: http://www.clubsearay.com/index.php?threads/cummins-dry-exhaust-service-bulletin.96644/ Read More
Cummins Marine QSM11 Dry to Wet Conversion
Note: This is only applicable to QSM11ās that you want to de-rate to 450HP at 2100- 2300 RPM or below… Typical applications are commercial boats that travel at hull speeds. Read More
QSM 11 Prop Curve – For Exhaust Manifold Health
Complete the information above in GREEN.Ā It makes NO DIFFERENCE what the rating of the QSM is. Exceed these GPH numbers at these RPM’s and things go South quickly. This is where the “dry QSM” needs... Read More
Cummins QSM11 Air Cleaner Options
This may help clear up some of the questions surrounding the QSM Air Cleaner and what options are available when ordering a new engine or for air filter replacement. These options ONLY APPLY to the... Read More
The Cummins QSM11 Marine Engine Story
Time for some QSM11 education. As you read thru the below, always associate or think thisāItās 20 HP per gallon per hourāexample = burn 17.5 GPH = 350 HP that is being asked from the... Read More
Removing and Installing the QSM11 Exhaust Manifold
Removal: Remove the heat shield mounting capscrews. Remove the heat shield. Remove the insulation blanket mounting capscrews. Remove the insulation blanket. Remove an upper capscrew and spacer from each end of the exhaust manifold and install guide... Read More
Propping the Cummins Marine QSM 11 to Prevent Exhaust Issues
The Symptoms The QSM11 marine engine is in a class of its own due to the fact that it is still equipped with both a DRY exhaust manifold and a DRY turbo. Dry meaning that... Read More
