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HiMSEN

7LH21/32

The HiMSEN 7LH21/32 is a 7‑cylinder, medium‑speed (720–1000 rpm) 4‑stroke trunk piston main engine delivering up to 1 470 kW, designed for flexible fuel use (HFO/MDO) and equipped with Tier II/III emission compliance.

1470.0 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 1470
rpm 900
fuel type HFO/MDO
configuration L

Related equipment 10

HiMSEN 12VH32/40 same series HiMSEN 12VH32/40 DF same series HiMSEN 12VH32/40 Methanol same series HiMSEN 12VH32/40V same series HiMSEN 12VH35/40 same series HiMSEN 12VH35/40DF same series HiMSEN 12VH46/60 same series HiMSEN 12VH46/60V same series HiMSEN 12VH54DF same series HiMSEN 12VH54DF-2 same series

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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 #123445 · ✓ still in production

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We know 12+ companies supplying HiMSEN 7LH21/32. Tell us what you need — we obtain the quotations for you.

Westin Marine Technology (Shanghai · ChinaAMI Exchangers Ltd · United KingdomDINTEC Co., Ltd. · South KoreaJapan Marine (S) Pte Ltd · SingaporeLinson Marine Far East Ltd. · ChinaSinus GmbH · India +6 more
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Wer liefert dieses Teil? 17 Betriebe im Verzeichnis · 9 aus Herstellerlisten

DINTEC Co., Ltd.
Busan, South Korea
Linson Marine Far East Ltd.
Kunshan, China
AMI Exchangers Ltd
Seaton Carew, United Kingdom
DIESELMECH GROUP
Singapore, Singapore
Dormac
Johannesburg, South Africa
Hyundai One Asia Pte. Ltd.
Singapore, Singapore
INJEGOV SA
Perama, Greece
Japan Marine (S) Pte Ltd
Singapore, Singapore
MERC Engines Service
Szczecin, Poland
Marinea Weijia Engineering Ltd
Limassol, Cyprus
Navi Engines Sp. z o.o.
Gdynia, Poland
SECO GmbH
Quedlinburg, Germany
Weitere aus Hersteller- und Marktplatzverzeichnissen:
A.S. Moloobhoy Pvt. Ltd. · IndiaGALUAL · South KoreaHD Hyundai Global Service Europe B.V. · NetherlandsHD Hyundai Marine Solution Singapore PTE LTD. · SingaporeJ.O. Engineering Co., Ltd. · South KoreaMSF Filtration and fluid products · GermanyMSHS Pacific Power Group · United StatesTHB Verhoef - Diesel | Gas | Hydrogen Engine Components · NetherlandsTurbo Diesel Engineering LLC (Global Account) · United States
Alle Betriebe für HiMSEN ansehen →