Vetus BOW6012D Bow Thruster 60 kgf
#1 in 45 to 75 kgfFull review
A step up from the BOW5512D for a 27 to 40 ft boat, though Vetus gives two different thrust figures and a Sleipner SE60 costs less.
Amazon $2,242.61$2,242.61
3.9/5
A mid-size bow thruster for a 26 to 36 ft boat. Buy the SE60 instead if you also want a stern thruster of the same family.
- 50 kgfThrust
- 2.4 kWMotor
- 12 VSupply
- 140 mmTunnel
Check price at Amazon$1,700
Price checked November 4, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 50 kgf in a 140 mm tunnel
- Fits 26 to 36 ft boats
- Single propeller keeps the unit to 15 kg
Cons
- Bow installation only; Sleipner does not offer it for the stern
- Needs a 370 A supply
- 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 (this one) | 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 SE130 Tunnel Thruster 12V | 130 kgf | 3.9/5 | $4,013.39 |
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 | SE50/140S-12V |
|---|---|
| Thrust | |
| Rated thrust | 50 kgf |
| Thrust at full supply voltage | 62 kgf |
| Style | Tunnel |
| Propellers | Single |
| Bow or stern use | No |
| Boat length | 26-36 ft |
| Electrical | |
| Supply | 12 V |
| Motor | 2.4 kW |
| Current draw | 370 A |
| Continuous run | 3 min |
| Build | |
| Tunnel diameter | 140 mm |
| Weight | 15 kg (33.1 lb) |
Alternatives in this thrust
Vetus BOW5512D Bow Thruster 55 kgf
#3 in 45 to 75 kgfFull review
The Vetus pick for a 26 to 39 ft boat, at about the price of a Sleipner SE60 but with less thrust.
Amazon $1,845.97$1,845.97
Sleipner SE60 Tunnel Thruster 12V
#4 in 45 to 75 kgfFull review
The best value in the range for a 30 to 39 ft boat, with enough thrust for a heavy cruiser in moderate wind.
Amazon $1,900$1,900
Compare
Compare the Sleipner SE50 Tunnel Bow Thruster 12V with any other bow thruster →
More from Sleipner: every Sleipner product ranked.