The Cummins VT-903M 340 shp is a
340 shaft horsepower (shp) marine diesel engine manufactured by Cummins. The "VT" designation refers to a specific series of Cummins engines designed for marine applications. The "903" likely indicates an internal model number referencing its size and design specifics. The "M" likely denotes a specific configuration or variation within that model line.
In short, it's a powerful diesel engine commonly used to power larger boats, such as workboats, tugboats, and some smaller commercial vessels. The 340 shp rating indicates its power output.
