We love the Kubotas for generators and other small workloads. Nothing else we have would fit in an automobile. The smallest yacht I have worked on had engines with ancestry in locomotives.
As another commenter suggested, I read the assertion about "the largest marine engine manufacturers use mass-produced automotive engines" as "largest engine" not as "largest manufacturer". Maybe the author intended the latter.
As another commenter suggested, I read the assertion about "the largest marine engine manufacturers use mass-produced automotive engines" as "largest engine" not as "largest manufacturer". Maybe the author intended the latter.