Eye catching | How to assemble marine diesel engine * Eye catching | How to assemble marine diesel engine? * Additional information about ship engines: - Most modern ships use a reciprocating diesel engine as their prime mover, due to their operating simplicity, robustness and fuel economy compared to most other prime mover mechanisms. The rotating crankshaft can be directly coupled to the propeller with slow speed engines, via a reduction gearbox for medium and high speed engines, or via an alt