OceanSphereENGINES
Request a part
Library› Engine Room› Main Engines (4-Stroke)› Main Engine 4-Stroke› Rolls-Royce / Bergen 6LB35:40DF
Free accountLog in
Rolls-Royce / Bergen

6LB35:40DF

Main Engine 4-Stroke · Main Engines (4-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍‌​​‌⁠‍⁠​​​‌‌⁠​⁠‌
3,000 kWPower
6Cylinders
350 mmBore
400 mmStroke

The Rolls‑Royce/Bergen 6LB35:40DF is a medium‑speed, six‑cylinder, dual‑fuel (LNG/HFO) trunk‑piston engine delivering about 3 MW at 720 rpm, featuring spark‑ignition lean‑burn operation with variable geometry turbocharging.

Specifications

Technical data.reference — unverified

Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.

Ignition SystemSpark-ignition lean-burn Otto cycle with individual cylinder pressure monitoring (CPM)
Turbocharger TypeVariable Turbine Geometry (VTG) with wastegate
Fuel InjectionPort injection with Variable Valve Timing (VVT)
Specific Energy Consumption (B36:45)7,300 kJ/kWh mechanical ISO with engine-driven pumps
Lubricating Oil Consumption< 0.4 g/kWh
NOX Emissions500 mg/Nm³ @ 5% O₂
Electrical Efficiency48.6% (B35:40V20); 48.5-48.9% (B36:45 series)
Cylinder Power Output438 kW/cyl (B35:40); 600 kW/cyl (B36:45)
Dry Weight ExamplesB35:40V12AG: 10,600 kg; B35:40V20AG: 13,100 kg
GHG vs Diesel22% lower greenhouse gas emissions
Power (kW)3000
Speed (rpm)720
Fuel TypeLNG/HFO (Dual-Fuel)
ConfigurationL
Need this part?

Request a quote for this model.

Free of charge — send us your request for Rolls-Royce / Bergen equipment. Our team checks it and replies by e-mail.

For marine equipment hardly any maker or authorised dealer will name a price while the vessel is unknown. With the vessel details, availability and price can be settled faster; without them we may have to ask first, which costs a few days. If you are not allowed to name the vessel, a photo of the rating plate is enough — attach it below or send it as a reply to our confirmation e-mail.

Your contact details are not published. No account required.
Related models

Also in Main Engine 4-Stroke.

Other models of the same equipment type, Rolls-Royce / Bergen first.

Rolls-Royce / Bergen
12VB32:40
Rolls-Royce / Bergen
12VB32:40V
Rolls-Royce / Bergen
12VB33:45
Rolls-Royce / Bergen
12VB33:45L
Rolls-Royce / Bergen
12VB35:40
Rolls-Royce / Bergen
12VB35:40DF
Rolls-Royce / Bergen
12VB36:45
Rolls-Royce / Bergen
12VB36:45DF
Rolls-Royce / Bergen
12VC25:33
Rolls-Royce / Bergen
12VC25:33L
By manufacturer MAN Energy SolutionsWärtsiläCaterpillarHiMSENMTUVolvo PentaYanmar Power Technology Co., Ltd.HanshinDaihatsuPielstickMaK (Caterpillar)Rolls-Royce / BergenCaterpillar MaKCumminsBaudouinAll manufacturersSpare parts by equipmentNew here? Create a free account Can't read the plate? Try the nameplate scanner All Rolls-Royce / Bergen models More like 6LB35:40DF
More than the data sheet shows

We answer by e-mail, never with an automatic reply.

Tell us what you need for this Rolls-Royce / Bergen 6LB35:40DF — a part, a service call, a second opinion. Are you Rolls-Royce / Bergen? Claim this brand page.

Request a part for this modelRequest service

Service engineer? Write the day report for this 6LB35:40DF in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →

Frequently asked

Questions that come up with this equipment.

Is this model's data free?

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.

Can you find a part for this exact model?

Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.

The specifications look wrong — what now?

Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.