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5H25/33

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

Technical data from manufacturer or class sources · not yet verified by a person
1,625 kWPower
5Cylinders
250 mmBore
330 mmStroke

Marine engineers and operators depend on powerful and reliable prime movers to keep vessels running efficiently. HiMSEN offers the 5H25/33, a robust engine designed for demanding marine and stationary power generation applications. This 5-cylinder, L-configured engine boasts a displacement of 16.2 liters per cylinder and delivers a remarkable 1625 kW of power at 720 rpm. The HiMSEN 5H25/33 is renowned for its Medium-Speed Common Rail technology, enabling it to operate on a variety of fuels including HFO/MGO. The engine's design incorporates a 250 mm bore and 330 mm stroke, resulting in a compression ratio of 17:1 and a maximum combustion pressure of 200 bar. This robust construction contributes to its efficiency, achieving an SFOC of 181 g/kWh during diesel operation and a remarkably low oil consumption rate of 0.6 g/kWh. The HiMSEN 5H25/33 is backed by a comprehensive service history and extensive technical documentation, ensuring reliable performance and long-term operation.

Specifications

Technical data.from datasheet

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

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)
ConfigurationL
Speed (rpm)720
Fuel TypeHFO/MGO
TechnologyMedium-Speed Common Rail
Displacement l per cyl16.2
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Download datasheet (PDF) (4721 KB)
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