It goes without saying that if you are looking for maximum return on your investment, you can’t under-power and over-deliver. That’s a recipe for failure and downtime.

So for Class 5 and Class 6 trucks, you may need to spec an engine that’s 9 liters in size, such as the Cummins L9. With a legacy of more than 27 years and 5 million engines produced, plus the best power-to-weight ratio in its class, the L9 is the standard for dependability and durability in those vehicle classifications.

Here…