Truck engines made rugged

Truck engines made to ensure you get the most out of your vehicle.

Power for every application

Keep trucks on the road longer with reliable Cummins power under the hood.

Cummins truck engines

Medium-duty

Explore North America’s most popular medium-duty engine brand.

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Cummins truck engines

Heavy-duty

See the best 12- and 15-liter engines we’ve offered yet.

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Cummins Truck Engines

Light Commercial

Maximize uptime for your van, pickup or utility vehicle.

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Cummins vocational refuse truck

Vocational

Meet your horsepower and torque needs with our durable engines.

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Cummins in action

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Cummins & Isuzu collaborate

We’re working on a global mid-range powertrain, harnessing our respective strengths to advance power technology. 

Our work
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A year of alternative power

2020 was all about fine-tuning our clean energy capabilities.

More power
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A carbon-neutral future

How will diesel technology continue its evolution to meet the world’s sustainability standards?

Find out

Experience the next generation of power — now

Cummins X12 engine

Featured Engine

X12

When paired together, the Cummins X12 and the Endurant HD transmission make for the lightest integrated powertrain option on the market.

Go light
Browse our full line of trucking engines >
Cummins X15 engine

Featured engine

X15 Efficiency Series

With EX ratings improving fuel economy by up to 1.5%, the X15 Efficiency Series helps you get the most out of every drop of fuel.

Get more
Browse our full line of trucking engines >

Service to keep you moving

Choose from our network of over 9,000 service and distributor locations around the globe. 

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The lifeline for your truck engine

Connected Diagnostics™ lets you wirelessly connect your engine to Cummins for ongoing monitoring and updates.

Get connected

Innovation never rests

The ISX12N Natural Gas Engine

The ISX12N Natural Gas Engine

Setting the standard for natural gas engine performance and reliability, while offering near-zero emissions.

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