Hatz Marine Engines

Hatz, founded in 1880, is a German manufacturer of diesel engines with headquarters in Ruhstorf an der Rott. The company is known for producing small, lightweight, and robust engines, commonly employed in compact construction machinery, generators, and pumps. Across the global fleet, 18 vessels currently in service utilize Hatz engines, spanning 8 distinct models. The most prevalent vessel types featuring Hatz engines include tugs (7), general cargo ships (4), and offshore vessels (2). Geographically, the North Sea / Atlantic region accounts for 7 installations, followed by the Baltic Sea (3) and Arctic Sea (2). The most frequently observed Hatz engine models are the 4M40H (4), 4L40C (3), 4L41 (3), 4L41C (3), and 4M41 (2).

Reference: Wikipedia