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HiMSEN

7LH25/33-GS-60Hz

Auxiliary Engine (Generator Set) · Auxiliary Engines

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍‌⁠​⁠​‌‌‌⁠‍​‌‍⁠‍⁠
1,925 kWPower
7Cylinders
250 mmBore
330 mmStroke

The HiMSEN 7LH25/33-GS-60Hz is a medium‑speed, 4‑stroke diesel auxiliary engine coupled to an integrated generator set delivering up to ~1.83 MW (2286 kVA) at 60 Hz for shipboard power and standby generation.

Specifications

Technical data.reference — unverified

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Swept volume per cylinder16.2 dm³
Compression ratio17:1
Max combustion pressure200 bar
SFOC (100% MCR)181.0 g/kWh (diesel operation)
Oil consumption0.6 g/kWh
6H25/33 dry weight20.2 metric tons
7H25/33 dry weight22.5 metric tons
8H25/33 dry weight24.1 metric tons
6H25/33M rated output1,440-1,596 kW (depending on RPM)
7H25/33M rated output1,680-1,995 kW (depending on RPM)
8H25/33M rated output2,320 kW at 900 RPM
9H25/33M rated output2,565 kW at 900/1000 RPM; 2,700 kW max
Mean piston speed range7.9-11.0 m/s
Mean effective pressure22.2-27.2 bar (varies by configuration)
Emissions complianceIMO Tier II, Tier III (with SCR - Selective Catalytic Reduction)
Power (kW)1925
Speed (rpm)900
Fuel TypeHFO/MDO
ConfigurationL
Genset Output (kW)1829
Genset Output (kVA)2286
Frequency (Hz)60
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