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Lewmar 185TT 4.0KW GEN 2 Tunnel Thruster

Lewmar 185TT 4.0KW GEN 2 Tunnel Thruster

  • Type: Single Prop, Blades: 5, Thrust 143 lb @12 Volts DC (5.4 HP)
  • Operating Power: 12 Volts DC, Draw: 470 Amps @ 12 Volts DC
  • Tunnel Diameter: 185 cm, Boat Length: See Chart
  • Item #: 
    Model #: 


    Shipping Weight: 
    43.00 Lbs.
    List Price: 
    Our Price:
    Status:   null Call to confirm

    Quantity : 


    Shipping Note:
    It ships ONLY by Truck Freight.
    Please call us at 800-628-8225 or E-mail for a valid shipping quote, since Truck Freight rates change regularly.

    The Lewmar GEN 2 blue box system is their next-generation thruster system. The main electronic components of the system have been completely redesigned to increase reliability and functionality. The system fits with the matched controllers and incorporates features that surpass other high-end systems currently on the market. The configuration has been designed to be as simple and reliable as possible while incorporating today's technological trends.

    Package Includes:

    • Blue Box ICU Thruster
    • 2 Meter motor cable
    • Blue control box


    • No reservoir to install, no leaks and no maintenance
    • High performance 5 blade propellers give equal thrust in both directions
    • High integrity seal
    • Spline driven propeller, no drive pin required
    • Black box electronics prevents misuse and protects motor
    • Hardened and ground spiral bevel gear for maximum efficiency and quiet power transmission
    • Self resetting thermal protection on all motors
    • Choice of Joystick or Touch Panel controls (sold separately)
    • Easy, plug-together switch connections
    • Minimum silhouette hub for smooth water flow

    Click Here for a Data Sheet for This Product

    Click Here for an Owner's Manual and Installation Guide for this Product


    • Power: 12 Volt DC
    • Draw: 470 Amp
    • Thrust Power: 5.4 HP
    • Tunnel Size: 7-9/32"
    • Thrust: 143 lb
    • Weight: 59 lb
    • Dimensions:
      • A = 5-13/16"
      • B = 11-9/16"
      • C = 7-9/32"
      • D = 3-11/32"

    Note:  Lewmar products are designed for use in recreational marine applications.  Any commercial application is forbidden without the prior approval of Lewmar engineering and management.


    Lewmar Thruster Tunnel
    Item #: 000253
  • Dimensions: 185 x 6 x 1000 mm (7-5/16" Dia.)
  • Applications: Lewmar 185TT Bow Thrusters
  • Material: GRP (Glass Reinforced Plastic) Tube
  •  Include
    Model #:
    Lewmar Thruster Tunnel
    Item #: 000150
  • 185 x 6 x 1500mm GRP Tube (7-5/16"Dia.)
  • Applications: Lewmar 185TT Bow Thrusters
  • Material: GRP (Glass Reinforced Plastic) Tube
  •  Include
    Model #:
    Lewmar Thruster Zinc Anode Kit
    Item #: 000642
  • Applications: 185TT Thrusters
  • Material: Zinc with Stainless Steel Sheath for Optimal Retention
  • Mounting Hardware Included
  •  Include
    Model #:
    Lewmar Replacement Thruster Propeller
    Item #: 602148
  • Designed for Model 185TT Lewmar Thrusters
  • (1) Prop per Package
  •  Include
    Model #:

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