OceanSphere
Engines
⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
🔧 187 verified suppliers & service companies for Yanmar in the Maritime Network Find suppliers →
Yanmar

3YM27AK

The 3YM27AK is the keel-cooled variant of the 3YM27A lifeboat propulsion engine, sharing the same 3-cylinder, 1.115 L block and continuous/max ratings (19.4/21.3 kW) but with a keel cooling circuit instead of a heat exchanger, giving a shorter overall height (575 mm vs 649 mm) and lower dry weight (138 kg vs 147 kg). Built for SOLAS lifeboat propulsion; does not comply with US EPA standards.

19.4 kW
Power

Components & Design

Component data being added…

Technical Data

rated power kW Cont:19.4 / Max:21.3
rated power hp Cont:26.4 / Max:29.0
speed rpm Cont:3101 / Max:3200
bore x stroke mm 76 x 82
displacement L 1.115
dry weight kg 138 (with KM2P-1 gearbox)
dimensions mm L690 x W534 x H575
aspiration Naturally aspirated
cooling Keel cooling
fuel Diesel, Cetane No.45, specific gravity 0.835 g/cc
starting system Electric motor, 12V 96 Ah (5h rate), CCA 575A / JIS D 5301
gearbox options KM2P-1 (constant mesh gear with servo-cone clutch, ratios 2.21/3.06, 2.62/3.06)
source catalog 3YM27A.pdf
source manufacturer catalogue

🤖 Ask about this model

One free question — answered like a marine engineer. No account needed.

Suppliers & Spare Parts

Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.

📄 Request sourcing links & documents
🛠 Manage this equipment in your fleet

Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.

Start free trial →
🔎 Suppliers & service for this equipment

Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.

Maritime Network →
Equipment Model #159021 · ✓ still in production

Wer liefert dieses Teil? 400 Betriebe im Verzeichnis · 16 aus Herstellerlisten

HD Marine Corporation
Ho Chi Minh City, Vietnam
✓ autorisiert
(Sealand) Marine Motors
NoneAustralia
✓ autorisiert
2T+M Kft.
NoneHungary
✓ autorisiert
3F TRACTOR DI DELEDDA PAOLA & C. - Francesco Filippo Fantasia
NoneItaly
✓ autorisiert
A C M DE OLIVEIRA - ME
NoneBrazil
✓ autorisiert
A C R DE OLIVEIRA MAQUINAS E MOTORES LTDA - SUPERCOMAM
NoneBrazil
✓ autorisiert
A MORENO IND. COM. LTDA
NoneBrazil
✓ autorisiert
A MOTOR DIESEL COMERCIO DE MOTORES DIESEL - EIRELI EPP
NoneBrazil
✓ autorisiert
A TRATOR DIESEL (VL COMERCIO DE MOTORES E PECAS LTDA ME)
NoneBrazil
✓ autorisiert
A. V. SOUZA DE ALMEIDA
NoneBrazil
✓ autorisiert
A.E.B - Blois
NoneFrance
✓ autorisiert
A.E.B - Bourges
NoneFrance
✓ autorisiert
Weitere aus Hersteller- und Marktplatzverzeichnissen:
Global Services (Europe) Ltd · United KingdomSakura Marine Ltd - Yanmar · TurkeyShipaid Diesel Diesel Services Ltd · United KingdomYanmar Europe BV · NetherlandsAB Marine Shipping SA Turkey · TurkeyDallaserra Ridderkerk Spares BV · NetherlandsDingbro Ltd Industrial Filtration Division · United KingdomLamor Hong Kong Ltd. · Hong KongMARINEXA · IndiaNAUTICA LO CASCIO ANTONIO & FIGLI S.A.S. · ItalyPoseidon Shipstores (India) Pvt Ltd. · IndiaQualships Pty Ltd · Australia
Alle Betriebe für Yanmar ansehen →