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The International LT Series

The International LT Series

LT™ SERIES – Inspired by drivers. Built for drivers.

From the very beginning, priority #1 for the LT Series was to design a truck that drivers would really want to drive. To achieve this goal, International turned to the people who know driving best, real truck drivers. These professionals gave honest, priceless input over numerous research sessions and driver clinics. Then they set about redesigning, fine-tuning and retesting until drivers agreed, this is the truck I’ve always wanted to drive.

That’s how the LT Series became the most driver-centric truck on the road today. With more intuitive controls, enhanced visibility, a quieter cab, critical information at your fingertips and dozens of other smart features that help keep a driver comfortable and in control over the long haul.

International also utilizes premium soft touch vinyl interior panels throughout the vehicle, which minimizes the need for hard to clean, odor and moisture trapping woven panels.

Learn more about the LT Series at



Every consideration in the LT Series design came from the driver’s perspective. Only then could we engineer and build a truck that would keep a driver more comfortable and productive for the road ahead.



On the road means promises kept and profits secured. So every component and system in the LT™ Series has been methodically designed, engineered, tested and retested to maximize uptime.



Through extensive testing — including wind tunnel testing of scale models, full-size prototypes and coast-down testing, the LT Series delivers a 3 percent improvement in fuel economy from aerodynamics alone.


An LT™ Series For Every Application


The Right Power. The Best Performance.


Engine Type Diesel, 4-Cycle
Configuration Inline 6-Cylinder
Displacement 12.4 L (758 cu. in.)
Bore & Stroke 4.96 in. & 6.54 in. (126 mm & 166 mm)
Compression Ratio 18.5:1
Aspiration Variable Geometry Turbocharger with Charge Air Cooler
Combustion System 2500 bar High Pressure Common Rail
Engine Lubrication 42 Quarts (40 L)
Total Engine Weight 2,299 lbs. (1043 kg)
Valves 4 Valves Per Cylinder, Single Overhead Camshaft
B10 Design Style 1,200,000 mi (1,931,000)


4 Cycle Inline-6 14.9L

Legendary Cummins reliability is available in new X15 Performance Series and X15 Efficiency Series configurations. The X15 Efficiency Series produces up to 500 HP with advanced fuel- saving technology that includes dynamic electronic controls with ADEPT features, enhanced engine breathing and an optimized combustion process that leverages Cummins™ proprietary VGT™ Turbo and XPI fuel system.

Learn more about the Cummins X15

Introducing the New International LT Series