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HiMSEN

7LH21/32-GS-50Hz

Hyundai HiMSEN H21/32 — Marinediesel, Bohrung 210 x Hub 320 mm, 720, 750, 900, 1000 rpm, 800–1800 (depending on cylinder count and speed: 720/750/900/1000 rpm). Brennstoff: Marine Diesel Oil (MDO), Heavy Fuel Oil (HFO) up to 700 cSt @ 50°C. Status: Production: In-service since 2001 (over 5,000 engines delivered by 2011). Tier II and Tier III (with SCR) compliant. Current production status active.. Verifiziert, Datenblatt verlinkt.

1400.0 kW
Power

Engine Specifications

7
Cylinders
210 mm
Bore
320 mm
Stroke
4-stroke
Stroke Type

Components & Design

Component data being added…

Technical Data

Compression ratio 17:1
Stroke/Bore ratio 1.52 (320/210)
Max combustion pressure 200 bar
SFOC at 100% MCR 182-187 g/kWh (720-1000 rpm)
Lubricating oil consumption 0.6 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 cylinder 160-210 kW/cyl (depending on speed)
Injection pressure 2000 bar maximum
power kw 1400
rpm 750
fuel type HFO/MDO
configuration L
genset kw 1330
genset kva 1662
frequency hz 50

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Common failures & inspection points

Piston cooling nozzle blockage/misalignment: Gasket residue and combustion deposits can clog cooling nozzles, leading to piston crown overheating, expansion, an
www.afaindustries.com/blog/faulty-p...
Scavenge space fire risk: Blow-past from defective piston rings or worn liners allows combustion products/oil into scavenge space; leaking air cooler can raise
www.marineinsight.com/tech/generato... knowledgeofsea.com/scavenge-fire/
Exhaust valve seat erosion/regression: High combustion temperatures cause valve seat wear; internal clearances tighten as seats erode, reducing flow and increas
injegov.gr/hyundai-himsen-8h32-40-a...
Fuel injection nozzle coking: Poor fuel quality and high combustion temperatures cause deposit buildup in injector holes, reducing spray pattern and combustion
www.youtube.com/watch?v=BnI3NfHrAVw www.researchgate.net/publication/27...

Type-general inspection and maintenance points for this equipment category — not model-specific.

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Equipment Model #124710 · ✓ still in production