Lewmar 185TT Bow Thruster
Lewmar Lewmar
  • Lewmar 185TT Bow Thruster

Lewmar 185TT Bow Thruster

The Lewmar 185TT Bow Thruster adds tremendous close quarters maneuverability with efficient, balanced and supremely quiet performance. Designed for vessels 30-40 feet LOA, all 185TT thrusters use a 185mm blade diameter drive. Benefits of easy installation and maintenance free operation attract both builders and owners.

12V and 24V options are available with 4, 5.4, 6.7, or 8 horsepower. Consult table below for further information.

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Tech Spec Product Info User Generated Content

Lewmar Bow Thruster Features:

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

185TT Thruster Specifications:

  • Prop: Single 5-blade
  • Gearbox Hub: Bronze
  • Voltage: Available in 12 Volt and 24 Volt
  • Tunnel Diameter: 185 mm/ 7-5/16 inch


Thruster Model  Power  Tunnel Size  Thrust  Weight 
185TT 3.0  3.0Kw / 4.0HP  185mm / 7-1/4in  58kgf  45 lbs 
185TT 4.0  4.0Kw / 5.4HP  185mm / 7-1/4in  65kgf  45 lbs 
185TT 5.0  5.0Kw / 6.7HP  185mm / 7-1/4in  82kgf  60 lbs 
185TT 6.0  6.0Kw / 8.0HP  185mm / 7-1/4in  97kgf  66 lbs 
BRAND: Lewmar
Type: Bow Thrusters
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by PowerReviews
Lewmar 185TT Bow Thruster

(based on 1 review)

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Reviewed by 1 customer

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It Works

By SeaHunter

from Ct.

About Me Advanced

Verified Reviewer


  • Easy to Use
  • Installation Ease


  • Extra Wiring Costs

Best Uses

    Comments about Lewmar 185TT Bow Thruster:

    Use the guide for sizing, found here: http://lewmar.com/cms/assets/1/categories/selection%20guide_thrusters.pdf

    • Was this a gift?:
    • No

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