Sleipner SE80 Tunnel Thruster 24V
#2 in Over 75 kgfFull review
The better SE80 when your boat has 24 V batteries: thinner cables and a lower price for the same thrust.
Amazon $2,500$2,500
The Sleipner SE80 Tunnel Thruster 24V is the better bow thruster overall, rated 3.7 to 3.7. The Sleipner SE80 Tunnel Thruster 24V costs $200 less ($2,500 vs $2,700).
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.
Sleipner SE80 Tunnel Thruster 12V
#3 in Over 75 kgfFull review
Strong thrust for a 33 to 49 ft boat that has only a 12 V system. If you can run 24 V, the 24 V version needs about half the current.
Amazon $2,700$2,700
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 75 kgf bow thruster; a clear win is highlighted. How we rank explains each one.
| Factor weight | Sleipner SE80 Tunnel Thruster 24V | Sleipner SE80 Tunnel Thruster 12V |
|---|---|---|
| Overall rating | 3.7/5 | 3.7/5 |
| Value 40% | 85 $31.25 per kgf ($2,500, 80 kgf) | 80 $33.75 per kgf ($2,700, 80 kgf) |
| Efficiency 25% | 60 18.2 kgf per kW (80 kgf, 4.4 kW) | 60 18.2 kgf per kW (80 kgf, 4.4 kW) |
| Run time 25% | 33 3 minutes continuous | 33 3 minutes continuous |
| Weight 10% | 67 4 kgf per kg (80 kgf, 20 kg) | 67 4 kgf per kg (80 kgf, 20 kg) |
Specifications
| Sleipner SE80 Tunnel Thruster 24V | Sleipner SE80 Tunnel Thruster 12V | |
|---|---|---|
| Thrust | ||
| Rated thrust | 80 kgf | 80 kgf |
| Thrust at full supply voltage | 96 kgf | 96 kgf |
| Style | Tunnel | Tunnel |
| Propellers | Twin | Twin |
| Bow or stern use | Yes | Yes |
| Boat length | 33-49 ft | 33-49 ft |
| Electrical | ||
| Supply | 24 V | 12 V |
| Motor | 4.4 kW | 4.4 kW |
| Current draw | 280 A | 530 A |
| Continuous run | 3 min | 3 min |
| Build | ||
| Tunnel diameter | 185 mm | 185 mm |
| Weight | 20 kg (44.1 lb) | 20 kg (44.1 lb) |