Engines of this number of cylinders are not common, but this configuration was used in some large diesel engines. For example, the 1960s vintage General Motors Electro-Motive Division EMD SD45 railroad locomotive was fitted with a 20-cylinder EMD 645E3 two-stroke engine. The engine name is based on the displacement of each cylinder in cubic inches. In this case 645 inch³ (10.6 L) for each of 20 cylinders - a total of 211 L. Power output is 3,600 horsepower (2.7 MW). EMD later produced a 20-cylinder 710 series Diesel engine for the SD80MAC Locomotive. EMD still commonly manufactures these engines, which are primarily used in the power production and marine industries. An EMD 20-710 can produce over 5,000 horsepower.
V20 diesel engines have also been used in marine applications: Mercedes-Benz has produced one such engine. Wartsila also currently produces a V20 engine for use in power plants that can produce 13,500 horsepower (10 MW).