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
The Lewmar 140TT 2.2 kW Gen 2 Thruster is the better bow thruster overall, rated 3.4 to 3.1. The Lewmar 140TT 2.2 kW Gen 2 Thruster leads on value, efficiency and weight. The Lewmar 140TT 2.2 kW Gen 2 Thruster costs $524.88 less ($1,839.37 vs $2,364.25).
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Lewmar 140TT 2.0 kW Thruster Kit
#6 in Under 45 kgfFull review
The 140TT 2.0 kW sold as a kit. Compare it against buying a Gen 2 unit and a panel separately.
Amazon $2,364.25$2,364.25
Which should you buy?
- Choose the Lewmar 140TT 2.2 kW Gen 2 Thruster for value ($43.79 per kgf ($1,839.37, 42 kgf) vs $63.90 per kgf ($2,364.25, 37 kgf)), efficiency (19.1 kgf per kW (42 kgf, 2.2 kW) vs 18.5 kgf per kW (37 kgf, 2 kW)) and weight (3.2 kgf per kg (42 kgf, 13 kg) vs 2.8 kgf per kg (37 kgf, 13 kg)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 45 kgf bow thruster; a clear win is highlighted. How we rank explains each one.
| Factor weight | Lewmar 140TT 2.2 kW Gen 2 Thruster | Lewmar 140TT 2.0 kW Thruster Kit |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 40% | 62 $43.79 per kgf ($1,839.37, 42 kgf) | 37 $63.90 per kgf ($2,364.25, 37 kgf) |
| Efficiency 25% | 73 19.1 kgf per kW (42 kgf, 2.2 kW) | 64 18.5 kgf per kW (37 kgf, 2 kW) |
| Run time 25% | 33 3 minutes continuous | 50 run time not published (neutral score used) |
| Weight 10% | 41 3.2 kgf per kg (42 kgf, 13 kg) | 28 2.8 kgf per kg (37 kgf, 13 kg) |
Specifications
| Lewmar 140TT 2.2 kW Gen 2 Thruster | Lewmar 140TT 2.0 kW Thruster Kit | |
|---|---|---|
| Thrust | ||
| Rated thrust | 42 kgf | 37 kgf |
| Style | Tunnel | Tunnel |
| Propellers | Single | Single |
| Electrical | ||
| Supply | 12 V | 12 V |
| Motor | 2.2 kW | 2 kW |
| Continuous run | 3 min | - |
| Build | ||
| Tunnel diameter | 140 mm | 140 mm |
| Weight | 13 kg (29 lb) | 13 kg (29 lb) |