• Wärtsilä 14
    Wärtsilä 14
  • Wärtsilä 14
    Wärtsilä 14-2
  • Wärtsilä 14
    Wärtsilä 14-1

Wärtsilä 14

Lighter, smarter, greener

The Wärtsilä 14 is the most compact engine in its power range in the marine market, and serves both propulsion and auxiliary genset applications in the global marine and offshore markets. The engine is an integral element within Wärtsilä’s Smart Marine vision for the future of shipping, whereby optimal efficiency, safety, and environmental sustainability will be the key pillars in achieving and maintaining profitable operations for ship owners and operators around the world.

The Wärtsilä 14 high-speed engine is available in 12- and 16-cylinder configurations, having a power output between 749 and 1340 kWm in mechanical propulsion, and between 675 and 1155 kWe in auxiliary generating set and diesel-electric propulsion applications.

 
 
 
 

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    Applications

    Wärtsilä 14 is intended for multiple applications within the marine and offshore markets. The Wärtsilä 14 can serve both main propulsion and auxiliary genset applications, and is also well-suited for hybrid installations. The Wärtsilä 14 engine is especially aimed at segments and vessel types where the operating profile, fuel type used, and power to weight ratio better befit high-speed engines. These include for example tugs, small ferries, offshore service vessels, fishing vessels, inland vessels and the merchant auxiliary market.

    Technical data
    Wärtsilä 14
    Cylinder configuration 12V  16V
    Nominal power (kWm) 749 - 1005 1005 - 1340
    Nominal power (kWe) 675 - 865 900 - 1155
    Nominal speed (rpm) 1500 - 1900 1500 - 1900
    Engine Displacement (L) 27  36
    Bore (mm)  135
    Stroke (mm)  157
    SFOC 
    		 205,0 g/kWh at ISO condition
    Fuel LFO, S max 0,5% 
    Engine dimensions
    type    		 A
    (mm)     		 C
    (mm)     		 B
    (mm)     		 F
    (mm)     		 Weight
    (tons)
    12V14 2342 1470 926 542 2,8
    16V14 2601 1451 1019 525 3,8
    w/o air filter, engine dry weight
    w14 simple vector picture
    W12V14 Mechanical Propulsion Ratings
    W12V14
    Rating    		     Nominal Power Nominal Speed
        kWm     bhp rpm
     A      749
    810    		     1004
    1086    		 1600
    1800
    B     790
    850    		      1059
    1139    		 1600
    1800
    C     890
    920    		     1193
    1233    		 1800
    1900
    D     970
    1005     		     1300
    1347    		 1800
    1900

    W16V14 Mechanical Propulsion Ratings
    W16V14
    Rating    		     Nominal Power Nominal Speed
        kWm     bhp rpm
     A      1005
    1080
    		     1347
    1448    		 1600
    1800
    B     1055
    1135
    		      1414
    1522    		 1600
    1800
    C     1185
    1225
    		     1589
    1642
    		 1800
    1900
    D     1295
    1340    		     1736
    1796    		 1800
    1900

    Rating definitions
    Rating     Maximum load     Overall load factor
    A – Continuous Duty     Up to 100% of the time
    		     80-100%
    B – Heavy Duty     Up to 10 out of every 12 operating hours
    		     40-80%
    C – Medium Continuous Duty     Up to 6 out of every 12 operating hours
    		     20-80%
    D – Intermittent Duty     Up to 3 out of every 12 operating hours     < 50%

    A Rating - Continuous Duty
    This rating is an ISO 15550 rating. Intended for continuous use in applications requiring uninterrupted service at full power. For vessels operating at rated load and rated speed up to 100% of the time without interruption or load cycling (80 to 100% load factor). Typical operation ranges from 5000 to 8000 hours per year.

    B Rating - Heavy Duty
    This rating is an ISO 15550 rating. Intended for continuous use in variable load applications where full power is limited to a period of 10 out of every 12 operating hours (83% of the time) with some load cycling. Overall load factor is between 40 – 80%. Typical operation ranges from 3000 to 5000 hours per year.

    C Rating – Medium Continuous Duty
    This rating is an ISO 15550 rating. Intended for continuous use in variable load applications where full power is limited to a period of 6 out of every 12 operating hours (50% of the time) with cyclical loading and speed. Overall load factor is between 20 – 80%. Typical operation ranges from 2000 to 4000 hours per year.

    D Rating – Intermittent Duty
    This rating is an ISO 15550 rating. Intended for continuous use in variable load applications where full power is limited to a period of 3 out of every 12 operating hours (25% of the time) with some load cycling. Overall load factor is maximum 50%. Typical operation ranges from 2000 to 4000 hours per year.
    W12V14 Ratings for Auxiliary and Diesel Electric Applications
    50Hz W12V14
    Rating    		 Nominal Power Nominal Speed
    kWm kWe rpm
    E 710
    790
    		 675
    750    		 1500
    1500
           
     60Hz W12V14
    Rating    		 Nominal Power Nominal Speed 
     kWm kWe  rpm 
     E 710
    790
    910    		 675
    750
    865    		 1800
    1800
    1800

    E Rating: Prime Power
    Rating definition in accordance to ISO8528-1:
    Annual Hours of Operation: Unlimited
    Overall load factor <70%
    W16V14 Ratings for Auxiliary and Diesel Electric Applications
    50Hz W16V14
    Rating    		 Nominal Power Nominal Speed
    kWm kWe rpm
    E 945
    1055
    		 900
    1000    		 1500
    1500
           
     60Hz W16V14
    Rating    		 Nominal Power Nominal Speed 
     kWm kWe  rpm 
     E 945
    1055
    1215
    		 900
    1000
    1155
    		 1800
    1800
    1800

    Key benefits

    Designed to fit requirements for limited space and weight, lower CAPEX, as well as both current and future global emissions restrictions, the Wärtsilä 14 engine bears testimony to Wärtsilä’s Smart Marine vision as we continue to offer customers increasingly wider options for meeting their specific operational needs. These include solutions for reaching the highest levels of efficiency, safety, and environmental sustainability in a rapidly changing and technologically developing market.

    Recent webinars

    Integrated drive train solutions for high speed craft

    19 May 2021 - EUAF session

    View more »

    Integrated drive train solutions for high speed craft

    06 April 2021 - MEA session

    View more »

    Press releases

    Articles

    Wärtsilä 14: lighter, smarter and greener
    The new engine in Wärtsilä’s smart marine solutions range is compact, cost-efficient and more sustainable...
    1 October 2018
    • Twentyfour7. article

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