Lewmar 140TT 2.2 kW Gen 2 Thruster
#4 in Under 45 kgfFull review
The current Lewmar for a mid-size boat. Fine if you already have Lewmar controls; otherwise Sleipner is cheaper for the thrust.
Amazon $1,839.37$1,839.37
3.1/5
The 140TT 2.0 kW sold as a kit. Compare it against buying a Gen 2 unit and a panel separately.
- 37 kgfThrust
- 2 kWMotor
- 12 VSupply
- 140 mmTunnel
Check price at Amazon$2,364.25
Price checked November 4, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Same 37 kgf thruster as the 591482 plus the control and wiring kit
- Composite gearbox
- Lewmar parts are stocked widely
Cons
- Costs $750 more than the thruster alone
- Older 2.0 kW model
- Amazon listing gives no kit contents
The Lewmar TT family
Every Lewmar TT model we rank, smallest first. Ratings compare each against its own thrust.
| Model | Thrust | Rating | Price |
|---|---|---|---|
| Lewmar 110TT Tunnel Thruster Kit | 28 kgf | 3.4/5 | $1,342.88 |
| Lewmar 140TT 2.0 kW Tunnel Thruster | 37 kgf | 3.5/5 | $1,613.74 |
| Lewmar 140TT 2.0 kW Thruster Kit (this one) | 37 kgf | 3.1/5 | $2,364.25 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its thrust. How we rank explains each one.
Specifications
| Model number | 591458 |
|---|---|
| Thrust | |
| Rated thrust | 37 kgf |
| Style | Tunnel |
| Propellers | Single |
| Electrical | |
| Supply | 12 V |
| Motor | 2 kW |
| Build | |
| Tunnel diameter | 140 mm |
| Weight | 13 kg (29 lb) |
Alternatives in this thrust
Lewmar 110TT Tunnel Thruster Kit
#5 in Under 45 kgfFull review
A kit for a small boat up to about 28 ft that wants everything in one box. Sleipner SE30 gives more thrust for about the same money.
Amazon $1,342.88$1,342.88
Quick BTQ 140-30 Bow Thruster
#7 in Under 45 kgfFull review
A small Italian thruster for a boat of about 7 to 9 m. At the only Amazon price found it is poor value next to a Sleipner SE30.
Amazon $4,166.15$4,166.15
Compare
Compare the Lewmar 140TT 2.0 kW Thruster Kit with any other bow thruster →
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