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Transverse Thrusters
Reliability and performance

Wärtsilä Transverse Thrusters

The combination of high thrust values with compact dimensions provides additional thrust for a wide range of vessels types. In auxiliary applications, transverse thrusters support the mooring or harbour operations of merchant cargo vessels. When applied in Dynamic Positioning systems, transverse thrusters extend the DP capability of, for example, offshore supply vessels.
     Application
    • Wärtsilä transverse thrusters are available in a range from 400 kW to 5500 kW for applications in numerous types of ships, including merchant vessels, cruise vessels, offshore support vessels, and offshore construction vessels.
    • Transverse thrusters, also known as bow thrusters, stern thrusters or tunnel thrusters, provide a side force, or transverse thrust, to support mooring operations or station keeping.
    • Transverse thrusters are available for auxiliary or AUX usage, which is mostly applicable with merchant vessels to support harbour manoeuvring and mooring operations. Where the transverse thruster is part of a dynamic positioning (DP) system, the rating for DP use applies.
    Benefits
    • Superior hydrodynamic performance for high thrust - diameter ratio
    • Robust, reliable and maintenance friendly design
    • Easy installation; high level of integration
    • Maintenance friendly design
    • Wärtsilä ProTouch controls with ergonomic levers and intuitive touch screen displays or push-button panels
    Options
    • Controllable or fixed pitch propeller upto WTT-40 type; CP propeller for WTT-45 and CT3500 types
    • Manoeuvring (AUX) or Dynamic Positioning (DP) application
    • Redundant pumps and/or lubrication filters
    • Compatible with environmentally acceptable lubricant (EAL) for EPA VGP 2013 compliance or CLEAN notation compliance
    • Face type seal or Air barrier seal for WTT-14 and up
    • Tailor-made tunnel with tunnel ends cut according to hull form and additional circular or longitudinal stiffeners
    • L-drive with intermediate shaft and separate E-motor foundation
    • De-mountable, low noise, horizontal drive variants
    • Package with electric motor and starter
    Technical Info

    Range and dimensions

     Type Electrical Frequency (Hz)
     Input Speed (rpm) 
     Maximum Power 1 Propeller Diameter (D) (mm)
    Length (L) 
    (mm) 
     Weight 2
    (kg)
       
    Manoeuvring
    AUX (kW) 
      Dynamic Positiong
    DP (kW)
         
    CT/FT125 H  60
    50
    1780
    1480
    614
    516
    603
    501
    1250 1550 3070
     CT/FT150 H 60
    50
    1780
    1480
    880
    735
    789
    656
    1500 1800 4540
     WTT-11 60
    50
    1180
    980
    1100
    1100
    1000
    1000
    1750 1970 6360
     WTT-14 60
    50
    1180
    980
    1450
    1450
    1300
    1300
    2000 2195 8710 
     WTT-16 60
    50
    1180
    980
    1650
    1650
    1490
    1475
    2200 2115 10910 
     WTT-21 60
    50
    60
    50
    1180
    980
    1180
    980
    1850
    1850
    2100
    2100
    1825
    1825
    1825
    1825
    2200

    2400
    2275

    2275
    12320

    12780
    WTT-24 60
    50
    880
    980
    2400
    2400
    2150
    2150
    2600  2390 15070
     WTT-28 60
    50
     880
    735
    3000
    3000
    2400
    2400
    2800 2970 21630
    WTT-32 60
    50
    710
    735
    3300
    3300
    2800
    2800
    3000  3285 26340
    WTT-36 60
    50
     710
    735
    3600
    3600
    3200
    3200
    3200/3300  3350 31550
    WTT-40 60
    50
    710
    735
    4000
    4000
    3600
    3600
    3400 3520 35830
    WTT-45 60
    50
    710
    735
    4800
    4800
    4050
    4050
    3600  3800 41700
    CT3500 60
    50
    600
    600
    5500
    5500
    5000
    5000
    4000   4300 63680 
    1 Maximum power level is valid for uni-directional rotation. Depending on propeller type and class society, lower power levels may apply.
    2 Version with CP propeller including a standard tunnel with E-motor support., excluding E-motor.

    Weights and dimensions

    thrusters_output_2

    Power range

    Wärtsilä Transverse Thruster Range

    Product hologram

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    Press releases

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