Engines are more than a tool to move your trucks forward — they’re the beating heart. Every PACCAR Engine is meticulously designed for maximum power, performance, and efficiency.


Redefine efficiency with the PACCAR MX-11 Engine. This engine offers superior performance alongside a powerful and lightweight design.

Proven in Action

I was one of the test drivers for the PACCAR MX-11 engine, and it does wonderful. Today, I took the truck up a really steep hill, and it just walked straight up. No problem.

Dan Leenhouts
Stoneway Concrete

Experience Efficiency

Fuel Injection System

With its 36,000 PSI Fuel Injection System, the MX-11 boasts an impressive fuel economy.

Compacted Graphite Iron

Our engines are built with compacted graphite iron (CGI), which is 75% stronger and 20% lighter than gray cast iron.


The MX-11’s improved performance offers up to 445 horsepower and 1,700 pounds of torque per foot, representing the new standard for efficiency and quality.

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Integrated Efficiency

The PACCAR MX-11 integrates improved innovation with quality parts and superior design. The result? A powerful and efficient engine that saves you more money with every mile.

Never Miss a Mile

With over 800 locations across North America, we’re here to back you up — no matter where your route leads. Enter a city or zip code below to find the closest location.