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Power Up Your Fleet With the Cummins X15

Are you upgrading your heavy-duty hauling operations? Make sure that your Class 8 semi trucks are equipped with the most reliable and powerful engine on the road: the Cummins X15. Heavy-duty Cummins X15 diesel engines are available among a variety of semi truck manufacturers and models, including:

  • Freightliner Next Gen Cascadia, 122SD, and 114SD
  • International LT Series, HX Series, and LoneStar
  • Kenworth W900, W990, T880, T680, and C500
  • Peterbilt 579, 567, 389, 367
  • Volvo VNL 300, VNL 400, VNL 740, VNL 760, VNL 860, VNX 300, VNX 400, and VNX 740

Cummins X15 Engine Specs

The X15 engine is extraordinarily adaptable, bringing legendary Cummins reliability to a wide variety of purposes. See below for a quick breakdown of the three Cummins X15 engine categories:

  • X15 Efficiency Series – Your best bet for long hauls where efficiency is key, Cummins X15 Efficiency Series engines deliver up to 500 horsepower while boosting efficiency. Save fuel with dynamic electronic controls with ADEPT features, enhanced engine breathing, and an optimized combustion process.
  • X15 Performance Series – Linehaul customers who need more than 500 hp will benefit from the Cummins X15 Performance Series. These engines generate up to 565 horsepower with enhanced air handling, faster throttle response, and stronger braking power at lower RPM.
  • X15 Productivity Engine – Choose the Productivity X15 engine for multi-purpose applications that require continual access to peak horsepower. These engines deliver 430 to 605 hp and 1650 to 2050 lb-ft of torque.

Why Choose Us for Used Semi Trucks for Sale?

We offer a variety of used models from used Kenworth trucks to used Freightliner trucks to PROSTAR models, as well as Certified Pre-Owned International trucks. We are confident that you will find a model you will love. Along with our ever-changing inventory of used semi trucks for sale, we offer a number of programs and perks for drivers to take advantage of, such as:

  • OnCommand™ Connection – Opt for a certified pre-owned truck and enjoy interactive mapping, real-time monitoring, and more!
  • System1 Factory Warranty – Find a 90-day warranty complimentary on all Certified Pre-Owned International rigs.
  • Roadside Assistance – Save valuable money and time that could be wasted during a breakdown with our Roadside Assistance.

What’s more, we have locations nationwide that are ready to serve you. From finding your next truck to seeking driver and maintenance tips and tricks, International Used Truck Centers has your back every step of the way.

Discuss Your Used Semi Truck Options With Us!

Have any questions? Interested in learning more about a used Freightliner Cascadia in our inventory? Contact us about our current used semi trucks for sale to get additional information. Whether you choose a used International LT truck or a used Kenworth truck, we want to ensure you get behind the wheel of a used semi-truck that best suits your needs for efficiency and power on the road.

International Used Truck Centers 41.776180, -88.200918.