International Engines
MF7 N9 N10 N13
Cummins Engines
Cummins ISB6.7 Cummins ISX15

THE CUMMINS ISB6.7 Engine

Up to 300 HP, Up to 660LB ft.-lb. Torque, 2,600 RPM

Now, the best-selling engine in the medium-duty truck market is available with one of our sturdiest performers: the DuraStar®. With a range of horsepower, every facet of the Cummins ISB6.7 has been engineered for fuel efficiency, reliability and durability – while meeting EPA 2010 emissions. Together, Navistar and Cummins offer Navistar’s industry-leading service, and Cummins’ widespread network in North America – and an engine warranty for two years and unlimited mileage, so you can always drive with confidence.

 

CUMMINS ISB6.7 ENGINE SPECS

Engine Type
Diesel, 4-Cycle
Configuration
Inline 6 Cylinder
Displacement
6.7 L (409 cu. in.)
Bore & Stroke
4.21 in. & 4.88 in.
Compression Ratio
17.3:1
Peak Horsepower
300 @ 2600 RPM
Peak Torque
660 @ 1600 RPM
Gov. Speed
2,600 RPM
Clutch-Engagement Torque
400 lb.-ft
Aspiration
Variable Geometry Turbocharger
Fuel System
High Pressure Common Rail
Lubricating System Capacity
15L
Dry Weight
1,150 lb.
 

TRUCK OFFERING: CUMMINS ISB6.7

DuraStar
If you’ve got a job to do, International® DuraStar® will help you get it done. That’s because in the world of medium-duty trucks, DuraStar is the one truck that has always delivered. It goes beyond efficiency, durability and driver satisfaction. DuraStar also has a well-earned reputation for adaptability, an ability to handle just about any task. Whether it’s towing cars off the highway in a snowstorm, repairing downed power lines, or racing to a fire, DuraStar is a rugged performer that always answers the call. The success of your business depends on a truck that performs efficiently. Which is why DuraStar® was designed from the ground up to run effectively, for maximum productivity.

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