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9LB32:40-GS-60Hz

Auxiliary Engine (Generator Set) · Auxiliary Engines

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍‌⁠‌‌​‌‌⁠​⁠​‌‌⁠⁠​
3,960 kWPower
9Cylinders
320 mmBore
400 mmStroke

Crew and engineers on board vessels rely heavily on robust and efficient marine engines to ensure smooth operations and reliable power generation. The Rolls-Royce Bergen 9LB32:40-GS-60Hz is a prime example of this reliability, designed for high performance in demanding maritime environments. This engine delivers an impressive 3960 kW of power at 900 rpm, making it suitable for both propulsion and generator sets. It can operate on heavy fuel oil (HFO) or marine diesel oil (MDO), offering flexibility in fuel choice. The B32:40-GS family is known for its efficient 4-stroke operation and linear configuration, with a bore of 320 mm and a stroke of 400 mm across nine cylinders. The engine’s specific fuel consumption ranges from 176 to 185 g/kWh, ensuring economical operation. Common maintenance checks include inspecting the crankshaft for cracks using magnetic particle inspection (MPI) and verifying the cylinder liner for wear and cold corrosion with ultrasonic testing. Additionally, regular inspections of valve seats, valve guides, and turbochargers are crucial to maintaining optimal performance and longevity.

Specifications

Technical data.reference — unverified

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BMEP (Brake Mean Effective Pressure)24.9 bar
Spezifischer Brennstoffverbrauch (SFOC)184 g/kWh / 176-185 g/kWh
Spezifischer Schmieröl-Verbrauch0.8 g/kWh
Kolbengeschwindigkeit10 m/s
Kühlwasser-Auslasstemperatur90°C
Gewicht B32:40L6P3300 kg
Hubvolumen (L6)~193 Liter
Hubvolumen (L8)~257 Liter
Hubvolumen (V12)~386 Liter
Hubvolumen (V16)~515 Liter
Power (kW)3960
Speed (rpm)900
Fuel TypeHFO/MDO
ConfigurationL
Genset Output (kW)3762
Genset Output (kVA)4702
Frequency (Hz)60
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