Shaft Generator / PTO · Power Generation
Designed to meet the demanding electrical needs of modern maritime vessels, the 6BT5.9-DM Marine Generator Set is a reliable power solution that ensures continuous operation under various sea conditions. This generator set delivers 92 kW of power and operates efficiently with diesel, marine diesel oil (MDO), or marine gas oil (MGO). The engine model 6BT5.9-DM features six inline cylinders with a displacement of 5.9 liters, running at 1500 rpm to produce a frequency of 50 Hz, making it suitable for marine generator drive applications. To maintain optimal performance, routine service is essential and typically includes oil and filter changes every 250 hours, along with fuel filter replacement, belt inspection, and cooling circuit checks. Periodic load-testing is also recommended to ensure reliability. Common issues such as raw-water pump impeller damage, injector pump leakage, or governor instability on older units, and heat exchanger fouling causing overheating can be mitigated by keeping a well-stocked inventory of spare parts. Essential spare parts include fuel filters, oil filters, an impeller kit, belts, thermostat, injector pipes, and a starter motor, especially in scenarios where single generator redundancy is limited. The 6BT5.9-DM Marine Generator Set's robust design and comprehensive service requirements make it a trusted choice for maritime operations.
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.
Routine service normally includes oil and filter change around 250 hours, fuel filter replacement, belt inspection and cooling circuit inspection. Load-test periodically.
Keep fuel filters, oil filters, impeller kit, belts, thermostat, injector pipes and starter motor where single generator redundancy is limited.
Free of charge — send us your request for Cummins equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, Cummins first.
Tell us what you need for this Cummins 6BT5.9-DM Marine Generator Set — a part, a service call, a second opinion. Are you Cummins? Claim this brand page.
Service engineer? Write the day report for this 6BT5.9-DM Marine Generator Set 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.