The engine is 12.5 liters in displacement (763 cubic inches).
The peak torque occurs at an engine speed of 1200 RPM.
[2] The engine weighs over one ton at 2610 pounds.
The Cat C13 is often used in Class 8 vehicles (tractor-trailers).
In the A85 as well as in fire trucks, it is rated at a higher horsepower.