Here the first page from the catalogue "MTU Diesel Engines 12V 4000 M93/M93L for Fast Vessels with Low Load Factors (1DS)", which returns results for: reduction gearbox ships
Here the first page from the catalogue "MTU Diesel Engines 16V 4000 M93/M93L for Fast Vessels with Low Load Factors (1DS)", which returns results for: reduction gearbox ships
Here the first page from the catalogue "MTU Diesel Engines 20V 4000 M93/M93L for Fast Vessels with Low Load Factors (1DS)", which returns results for: reduction gearbox ships