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9LB35:40-GS-50Hz

Auxiliary Engine (Generator Set) · Auxiliary Engines

Class-certified type (DNV register) · technical data sheet not yet verified
4,590 kWPower
9Cylinders
350 mmBore
400 mmStroke

Maritime operators and engineers rely on robust and reliable propulsion systems to ensure smooth and efficient vessel operations, especially in demanding conditions. Rolls-Royce's Bergen 9LB35:40-GS-50Hz engine is a testament to this reliability, delivering a consistent power output of 5635 kW. This high-performance diesel engine is designed to meet the rigorous demands of marine applications, providing the necessary power and efficiency for various vessel types, from large commercial ships to specialized offshore vessels. The 9LB35:40-GS-50Hz engine is engineered with advanced technology to optimize fuel consumption and reduce emissions, making it an environmentally friendly choice without compromising on performance. With its robust design and proven track record, this engine ensures that operators can maintain optimal vessel performance, even in the most challenging maritime environments. Whether navigating through rough seas or operating in congested ports, the 9LB35:40-GS-50Hz is a dependable solution for marine propulsion needs.

Specifications

Technical data.from datasheet

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

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)4590
Speed (rpm)750
Fuel TypeHFO/MDO
ConfigurationL
Genset Output (kW)4360
Genset Output (kVA)5450
Frequency (Hz)50
📄
Download datasheet (PDF) (398 KB)
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