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 eBay
For a 39 to 56 ft boat that has only a 185 mm tunnel and a 12 V system. A 24 V boat gets more thrust per dollar from the SE120.
- 100 kgfThrust
- 6.3 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.
- 100 kgf from a 185 mm tunnel, the same size as the SE60 and SE80
- Twin propellers for bow or stern use on 39 to 56 ft boats
- 31 kg for 100 kgf of thrust
- Draws 740 A at 12 V, so it needs heavy cables and a big battery bank
- About $48 per kgf, well above the SE80
- Run time limited to a 2 to 3 minute duty cycle
The Sleipner SE family
Every Sleipner SE model we rank, smallest first. Ratings compare each against its own thrust.
| Model | Thrust | Rating | Price |
|---|---|---|---|
| Sleipner SE30 Tunnel Thruster 12V | 30 kgf | 3.5/5 | $1,341 |
| Sleipner SE40 Tunnel Thruster 12V | 40 kgf | 3.6/5 | $1,450 |
| Sleipner SE50 Tunnel Bow Thruster 12V | 50 kgf | 3.9/5 | $1,700 |
| Sleipner SE60 Tunnel Thruster 12V | 60 kgf | 3.9/5 | $1,900 |
| Sleipner SE80 Tunnel Thruster 12V | 80 kgf | 3.7/5 | $2,700 |
| Sleipner SE80 Tunnel Thruster 24V | 80 kgf | 3.7/5 | $2,500 |
| Sleipner SE100 Tunnel Thruster 12V (this one) | 100 kgf | 2.9/5 | $4,822.54 |
| Sleipner SE120 Tunnel Thruster 24V | 120 kgf | 3.4/5 | $5,309.66 |
| Sleipner SE130 Tunnel Thruster 12V | 130 kgf | 3.9/5 | $4,013.39 |
| Sleipner SE150 Tunnel Thruster 24V | 150 kgf | 3.3/5 | $6,381.35 |
| Sleipner SE170 Tunnel Thruster 24V | 170 kgf | 3.6/5 | $7,063.30 |
| Sleipner SE210 Tunnel Thruster 24V | 210 kgf | 3.7/5 | $9,011.81 |
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 | SE100/185T-12V |
|---|---|
| Thrust | |
| Rated thrust | 100 kgf |
| Thrust at full supply voltage | 116 kgf |
| Style | Tunnel |
| Propellers | Twin |
| Bow or stern use | Yes |
| Boat length | 39-56 ft |
| Electrical | |
| Supply | 12 V |
| Motor | 6.3 kW |
| Current draw | 740 A |
| Continuous run | 3 min |
| Build | |
| Tunnel diameter | 185 mm |
| Weight | 31 kg (68.3 lb) |
Alternatives in this thrust
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.
Fisheries Supply $3,620.65 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 Sleipner SE100 Tunnel Thruster 12V with any other bow thruster →
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