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HiMSEN
HiMSEN 12H35/40
The HiMSEN 12H35/40 is a V‑12, medium‑speed (750 rpm) four‑stroke marine diesel engine featuring common‑rail fuel injection and IMO Tier III NOx compliance.
7800.0 kW
Power
Engine Specifications
12
Cylinders
350 mm
Bore
400 mm
Stroke
Components & Design
Component data being added…
Technical Data
Leistung pro Zylinder
1250 kW
SFOC (100% MCR)
177,0 g/kWh
SFOC (85% MCR)
174,0 g/kWh
Trockengewicht H46/60V
193–260 tonnes (depending on cylinder count)
Verdichtungsverhältnis
17:1 (HiMSEN-Familie)
Max. Verbrennungsdruck
200 bar
Ventilversteller
Enhanced Miller timing für NOx-Compliance
Turbolader
Neue Generation mit höherer Effizienz
configuration
V
rpm
750
fuel type
HFO/MGO
technology
Medium-Speed Common Rail
displacement l per cyl
38.5
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Common failures & inspection points
Cylinder cover wear and surface corrosion in marine environment; regular reconditioning required during overhauls
Water contamination in crankcase lubrication oil leads to acid formation and bearing wear; inspection points: dipstick, sight glass, pressure fluctuations
Piston ring and bearing wear due to abrasive particles in fuel; limit values H21/32: 0.4 mm cylinder liner, 0.2 mm flame ring
Turbocharger compressor/turbine wear; water flushing required every 200–500 operating hours
Saltwater corrosion of bearings in brackish water environment due to chloride ions; electrochemical reaction when water mixes with lubrication oil
Type-general inspection and maintenance points for this equipment category — not model-specific.
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Equipment Model #66775
· ✓ still in production