Main Engine 4-Stroke · Main Engines (4-Stroke)
The HiMSEN 7LH32/40 DF engine operates on a 4-stroke, turbocharged, and Miller Cycle design, optimized for dual-fuel operation with both LNG and Heavy Fuel Oil (HFO). This robust engine delivers a power output of 3080 kW at 720 rpm, featuring a bore of 320 mm and a stroke of 400 mm across seven cylinders. Designed for marine applications, the engine ensures high efficiency with a compression ratio of 15:1, achieving a mean effective pressure of 25.9 bar at 720 rpm. It incorporates advanced features such as a specific fuel oil consumption of 179 g/kWh and a specific lubricating oil consumption of 0.7 g/kWh. Common maintenance checks include inspecting the turbocharger for fouling and carbon deposits, verifying the exhaust gas temperature balance between the A-bank and B-bank, and monitoring for piston ring wear and cylinder liner scuffing. Regular checks of fuel injectors for coking and carbon deposits are also crucial to maintain optimal performance.
Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.
Free of charge — send us your request for HiMSEN equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, HiMSEN first.
Tell us what you need for this HiMSEN 7LH32/40 DF — a part, a service call, a second opinion. Are you HiMSEN? Claim this brand page.
Service engineer? Write the day report for this 7LH32/40 DF in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.