OceanSphereENGINES

9LH21/32-GS-50Hz

Auxiliary Engine (Generator Set) · Auxiliary Engines

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍‌⁠​‍‍‍​​​‌‌⁠⁠⁠‍⁠
1,800 kWPower
9Cylinders
210 mmBore
320 mmStroke

Regular maintenance is crucial for preventing common failures in marine engines, such as piston cooling nozzle blockages, crankcase oil mist build-up, exhaust valve seat erosion, and fuel injection nozzle coking. One example of a robust and reliable engine is the HiMSEN 9LH21/32-GS-50Hz, which is part of the H21/32-GS family. This 9-cylinder, 4-stroke engine has a bore of 210 mm and a stroke of 320 mm, delivering 1800 kW of power at 750 rpm. It operates on Heavy Fuel Oil (HFO) and Marine Diesel Oil (MDO) and is designed for Tier II and Tier III compliance with Selective Catalytic Reduction (SCR) systems. The engine's dry weight is 19.8 tons and it produces a genset power of 1710 kW and 2138 kVA. The verified specifications also include a compression ratio of 17:1 and a maximum combustion pressure of 200 bar, ensuring efficient performance and durability.

Specifications

Technical data.reference — unverified

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Compression ratio17:1
Stroke/Bore ratio1.52 (320/210)
Max combustion pressure200 bar
SFOC at 100% MCR182-187 g/kWh (720-1000 rpm)
Lubricating oil consumption0.6 g/kWh
Dry weight (5H21/32)13.4 tons
Dry weight (6H21/32)15.1 tons
Dry weight (7H21/32)16.7 tons
Dry weight (8H21/32)18.4 tons
Dry weight (9H21/32)19.8 tons
Power per cylinder160-210 kW/cyl (depending on speed)
Injection pressure2000 bar maximum
Power (kW)1800
Speed (rpm)750
Fuel TypeHFO/MDO
ConfigurationL
Genset Output (kW)1710
Genset Output (kVA)2138
Frequency (Hz)50
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