Lewmar 185TT 3.0 kW Gen 2 Thruster
#5 in 45 to 75 kgfFull review
Lewmar’s mid-large thruster. It matches a Sleipner SE60 on thrust but costs about $300 more.
Amazon $2,197.12$2,197.12
The Lewmar 185TT 3.0 kW Gen 2 Thruster rates 3.6 among 45 to 75 kgf bow thrusters; the Lewmar 140TT 2.2 kW Gen 2 Thruster rates 3.4 among under 45 kgf ones. The Lewmar 140TT 2.2 kW Gen 2 Thruster costs $357.75 less ($1,839.37 vs $2,197.12).
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 2.2 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
Scores side by side
These two sit in different thrust classes (45 to 75 kgf and under 45 kgf), and each is scored against the reference points for its own class, so a rating says how well each does among its own thrust peers. How we rank explains each factor.
| Factor weight | Lewmar 185TT 3.0 kW Gen 2 Thruster | Lewmar 140TT 2.2 kW Gen 2 Thruster |
|---|---|---|
| Overall rating | 3.6/5 | 3.4/5 |
| Value 40% | 72 $37.88 per kgf ($2,197.12, 58 kgf) | 62 $43.79 per kgf ($1,839.37, 42 kgf) |
| Efficiency 25% | 76 19.3 kgf per kW (58 kgf, 3 kW) | 73 19.1 kgf per kW (42 kgf, 2.2 kW) |
| Run time 25% | 33 3 minutes continuous | 33 3 minutes continuous |
| Weight 10% | 30 2.9 kgf per kg (58 kgf, 20 kg) | 41 3.2 kgf per kg (42 kgf, 13 kg) |
Specifications
| Lewmar 185TT 3.0 kW Gen 2 Thruster | Lewmar 140TT 2.2 kW Gen 2 Thruster | |
|---|---|---|
| Thrust | ||
| Rated thrust | 58 kgf | 42 kgf |
| Style | Tunnel | Tunnel |
| Propellers | Single | Single |
| Electrical | ||
| Supply | 12 V | 12 V |
| Motor | 3 kW | 2.2 kW |
| Continuous run | 3 min | 3 min |
| Build | ||
| Tunnel diameter | 185 mm | 140 mm |
| Weight | 20 kg (43 lb) | 13 kg (29 lb) |