For a 46 to 66 ft boat with a 215 mm tunnel that needs more push than the SE120 gives.
Fisheries Supply $6,381.35 eBay
A 12 V Lewmar for a boat of roughly 40 to 55 ft that needs more than the 185TT 4.0. A Sleipner SE80 costs less per kgf.
- 82 kgfThrust
- 5 kWMotor
- 12 VSupply
- 185 mmTunnel
Price checked November 7, 2026. As an Amazon Associate we earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.
- 82 kgf from a 185 mm tunnel
- Draws 480 A, less than a Sleipner SE80 12 V for similar thrust
- Stainless steel gearbox
- About $44 per kgf, more than the Vetus BOW7512D
- Special order at Fisheries Supply
- Lewmar publishes no boat length range for it
The Lewmar TT Gen 2 family
Every Lewmar TT Gen 2 model we rank, smallest first. Ratings compare each against its own thrust.
| Model | Thrust | Rating | Price |
|---|---|---|---|
| Lewmar 140TT 2.2 kW Gen 2 Thruster | 42 kgf | 3.4/5 | $1,839.37 |
| Lewmar 185TT 3.0 kW Gen 2 Thruster | 58 kgf | 3.6/5 | $2,199 |
| Lewmar 185TT 4.0 kW Gen 2 Thruster | 65 kgf | 3.0/5 | $3,099.99 |
| Lewmar 185TT 5.0 kW Gen 2 Thruster (this one) | 82 kgf | 3.1/5 | $3,620.65 |
| Lewmar 185TT 6.0 kW Gen 2 Thruster | 97 kgf | 3.0/5 | $4,595.44 |
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 | 185TT5.0 |
|---|---|
| Thrust | |
| Rated thrust | 82 kgf |
| Style | Tunnel |
| Propellers | Single |
| Electrical | |
| Supply | 12 V |
| Motor | 5 kW |
| Current draw | 480 A |
| Continuous run | 3 min |
| Build | |
| Tunnel diameter | 185 mm |
| Weight | 27 kg (59 lb) |
Alternatives in this thrust
For a large boat on 12 V that needs more than 75 kgf. At this price compare the Sleipner SE80 and its 24 V version.
Amazon $3,729.30 eBayThe strongest 12 V Lewmar for a 185 mm tunnel. A 24 V boat is better served by a 24 V thruster that draws half the current.
Fisheries Supply $4,595.44 eBayCompare
Compare the Lewmar 185TT 5.0 kW Gen 2 Thruster with any other bow thruster →
More from Lewmar: every Lewmar product ranked.