3406 Cat Engine Specs 2024

3406 Cat Engine Specs

Caterpillar 3406 is one of the families of diesel engines made through Caterpillar Inc. This is a six-cylinder inline engine that has a capacity of 14.6 Liters (891 cu inches). 

The 3406 first came into production in 1973, and it is operating to this day. It can be found in a myriad of different applications, such as buses, trucks mining equipment, construction equipment, marine engines, and more.

Here are some specifications for the Cat Engine 3406: Cat Engine:

Engine TypeSix-cylinder, four-stroke cycle diesel
Displacement891 cubic centimeters (14.6 liters)
Bore5.4 inches (137 millimeters)
Stroke6.5 inches (165 millimeters)
Compression Ratio17:1
AspirationTurbocharged aftercooling
Maximum Power465 hp (347 kW) at 2100 rpm
Maximum Torque1602 lb-ft (2172 Nm) at 1350 rpm
Engine Oil Capacity17 gallons (64.4 liters)
Oil Filter TypePrimary, secondary filter bypass, and primary (specific models can differ)
Oil Change Cost (approx. )$150-$300 (depending on the type of oil used price, filter cost, as well as the cost of labor)


The 3406 Cat engine is a strong and reliable engine, renowned for its exceptional performance and endurance.

Based on its specs, like torque And horsepower it has proven to be A preferred option for A range of applications, ranging from heavy-duty trucks and industrial machinery.

It doesn’t matter if you’re A mechanic an enthusiast for trucks or just curious about engines, gaining an understanding of the specifications of the Cat 3406 engine can be fascinating And informative. I thank you for spending the time to research this subject with us.

I hope that you find this information useful And that it has stimulated your curiosity in the engine world!