Yanmar The N18 marine diesel engine series is widely used in ships, offshore vessels, and industrial marine applications for reliable propulsion and auxiliary power generation systems. Variants including 6N18AL, 6N18AL-DV, 6N18AL-EV, 6N18AL-SV, 8N18AL, and 8N18AL-DV are known for fuel efficiency, compact construction, and dependable operational performance in demanding marine environments. Enginex Marine supplies premium quality spare parts and machinery components suitable for all N18 engine variants worldwide.