Engine Finder for Class 8 Heavy-Duty Trucks

Cummins diesel engines are available in Class 8 semi-trucks from the world’s leading truck manufacturers. Fleets and owner-operators around the globe spec Cummins power for legendary performance, maximum uptime, superior efficiency and unrivaled durability.

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Cummins ISX15

Delivering up to 600 horsepower (447 kW) and 2,050 pound-feet (2779 Nm) of peak torque, Cummins ISX15 is recognized as North America’s leading heavy-duty engine. This engine can deliver maximum profits with our latest fuel efficiency features and maximum driveability to keep every operator safe and happy as they traverse the roads. No need to compromise.

Cummins ISX12

Proven in the most demanding truck applications, Cummins ISX12 embodies strength and dependability. The ISX12 is built to withstand whatever you throw at it. With front- and rear-mounted power take-off (FEPTO and REPTO) for mixers and dump trucks, the ISX12 also offers the fuel efficiency for LTL and regional haul trucks.

Cummins Westport ISX12 G

Our dedicated, factory-built natural gas version, the ISX12 G, operates on clean-burning, low-cost natural gas for incredible flexibility and efficiency. Diesel-like performance and smooth driveability make this engine an ideal candidate for those interested in spec’ing their first natural gas truck.

Both the ISX15 and ISX12 are available with a variety of innovative heavy-duty truck engine features, includingour SmartAdvantage™ powertrain, the perfect pairing of Cummins power and Eaton’s Fuller Advantage 10-speed automated manual transmission. The ISX12 G is now available with the Eaton UltraShift PLUS automated manual transmission for even greater efficiency.

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Additional partner pages are under construction. In the meantime, visit our Sales and Service Locator to find an authorized Cummins dealer near you. 

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