You don’t have to go to Europe or Japan for a powerful, long-lived diesel; you only have to go to Waterloo, Iowa, where they build John Deere

John Deere Power Systems announced its new 410 kW (550-hp) recreational vessel rating for the 6090SFM75 marine engine. The new PowerTech 6090SFM75

You'll find John Deere diesels aboard commercial and fishing vessels the world over, so if you are considering re-powering you should definitely look