Main Engine 4-Stroke · Main Engines (4-Stroke)
This marine diesel engine operates on a four-stroke cycle, utilizing fuel injection to deliver power to a crankshaft. The mtu detroit diesel 7MDDM35.7MNA boasts a power output of 895 kW at 2450 rpm, making it suitable for various marine applications. Engineered for use in vessels operating with variable-pitch and electrically-coupled props, this model also meets the requirements of propulsion engines with fixed-pitch props. The 7MDDM35.7MNA was certified by EPA in 2000 and is compliant with regulations up to 2025. The engine is equipped with 12 cylinders and is designed to operate with a displacement per cylinder of N/A liters. Maintenance best practices for the 7MDDM35.7MNA involve regular inspections of critical components such as filters, coolers, pumps, valve gear, injectors, and combustion chambers. Monitoring exhaust-temperature spread, lubricating-oil pressure, cooling temperatures, starting behavior, vibration, and consumption trends is essential for ensuring optimal performance and longevity. The manufacturer recommends carrying a comprehensive set of spare parts, including fuel-filter and lubricating-oil-filter elements, injector service or replacement components, valve-train wear parts, and essential pump service parts.
Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.
What our service work and the manufacturer documentation say about keeping this model running.
Review running records for exhaust-temperature spread, lubricating-oil pressure, cooling temperatures, starting behaviour, vibration and abnormal consumption trends. Inspect for fuel, lubricating-oil, cooling-water and exhaust leaks and check the condition of flexible connections, mounts, foundations and coupling or gearbox interfaces. Examine filters, coolers, pumps, valve gear, injectors and accessible combustion components in accordance with the planned-maintenance system. Check crankcase condition, oil analysis and any available bearing or vibration monitoring for developing wear. A surveyor should verify alarms, shutdowns, overspeed protection, emergency stopping arrangements and guarding of moving or hot parts as applicable to the installation. For cylinder dimensions, rotational speed, pressures, clearances, temperatures, wear limits and setting values, refer to the manufacturer documentation for the exact figure.
Carry fuel-filter and lubricating-oil-filter elements, approved seals and gaskets, injector service or replacement components, valve-train wear parts appropriate to the engine, and service parts for essential pumps. Critical installations should also hold selected sensors, relays or control modules, starting-system components, belts or flexible elements where fitted, and manufacturer-recommended bearing or cylinder-head service items. The exact onboard spare scale should follow the manufacturer, class requirements, engine redundancy and the vessel's trading pattern.
Free of charge — send us your request for mtu detroit diesel equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, mtu detroit diesel first.
Tell us what you need for this mtu detroit diesel 7MDDM35.7MNA — a part, a service call, a second opinion. Are you mtu detroit diesel? Claim this brand page.
Service engineer? Write the day report for this 7MDDM35.7MNA 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.