Valmet Marine Engines

Valmet, a Finnish industrial technology company founded in 1951 and headquartered in Espoo, provides process technologies, automation systems, and services. Tracing its industrial roots back over 225 years, Valmet operates as a publicly listed entity on Nasdaq Helsinki. Across the global fleet, 367 vessels are currently in service carrying Valmet engines, encompassing 44 distinct models. General cargo ships (161), oil and chemical tankers (77), and container ships (46) are the most common vessel types utilizing Valmet engines. Key operational regions include the North Sea / Atlantic (100 vessels), Baltic Sea (41), and East Mediterranean & Black Sea (38). The Valmet - 620DSG (59 vessels), Valmet - 420DSG (46), and Valmet - 645DSBAG (38) are among their most frequently observed engine models.

Reference: Wikipedia