The Caterpillar 3406B engine has a 6-cylinder, 14.6-liter, 6.5-stroke diesel engine with a turbo that can push 350 horsepower. It has a displacement of 893 cubic inches and a piston bore diameter of 5.400 inches. It turns 1,800 times per minute.
People have been using the Caterpillar 3406B engine for more than 20 years. Caterpillar made the 3406 line of engines for boats at first, but many of them have been repurposed to run many different kinds of machinery. Some tractors, combines, and harvesters also have these engines. Because of how reliable its design is, the Caterpillar is a favourite among farmers and other people who work in agriculture.