At the heart of many semi trucks lies the power of a Cummins ISX engine. This on-highway engine delivers impressive power ranging from 430 hp to 620 hp and a maximum 2,050 lb-ft of torque, and has made a name for itself in the trucking industry. Learn more about the history and power of this engine, which has become a staple for trucks, along with the models you can find one in at International Used Truck Centers!
In 2001, the ISX replaced the N14 due to changes in emissions regulations. The Cummins ISX engine offered increased fuel efficiency, as well as quicker processing, thanks to its “interact system.” This system puts the “IS” in “ISX” and is an HPI (High-Pressure Injection) system that came to replace the CELECT fuel system.
In 2002, the Cummins ISX engine reduced NOx emissions with its new, cooled EGR (Exhaust Gas Recirculation) system. This feature uses recirculated and cooled exhaust gas into the intake chamber in order to lower the temperature of the combustion chamber.
The engine was redesigned again in 2010 to reflect improvements made in emission technologies, changing it from a dual-camshaft system to a single overhead camshaft. The need to have the pressurized fuel from an injector camshaft was circumvented with the creation of a common rail fuel system.
Regular maintenance with the proper components is crucial to extending the lifespan and maintaining the performance of your engine. Make sure you seek regular service for maintenance needs like oil changes and only use Cummins ISX oil recommendations made by your vehicle’s manufacturer. In the event your engine wears down over time, you can also consider a remanufactured Cummins ISX engine for a replacement if the rest of your truck is in good condition.
Throughout our used and International Certified Pre-Owned inventory, shoppers can find multiple options for trucks equipped with the Cummins ISX engines. Browse our current inventory to find popular vehicles like: