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 eBay$2,500
The Sleipner SE80 Tunnel Thruster 24V is the better bow thruster overall, rated 3.7 to 3.1. The Sleipner SE80 Tunnel Thruster 24V leads on value, efficiency and weight. The Sleipner SE80 Tunnel Thruster 24V costs $1,120.65 less ($2,500 vs $3,620.65).
Prices were last checked November 9, 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. As an eBay Partner, we may be compensated if you make a purchase.
Lewmar 185TT 5.0 kW Gen 2 Thruster
#10 in Over 75 kgfFull review
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 eBay$3,620.65
Which should you buy?
- Choose the Sleipner SE80 Tunnel Thruster 24V for value ($31.25 per kgf ($2,500, 80 kgf) vs $44.15 per kgf ($3,620.65, 82 kgf)), efficiency (18.2 kgf per kW (80 kgf, 4.4 kW) vs 16.4 kgf per kW (82 kgf, 5 kW)) and weight (4 kgf per kg (80 kgf, 20 kg) vs 3 kgf per kg (82 kgf, 27 kg)).
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 | Lewmar 185TT 5.0 kW Gen 2 Thruster |
|---|---|---|
| Overall rating | 3.7/5 | 3.1/5 |
| Value 40% | 85 $31.25 per kgf ($2,500, 80 kgf) | 62 $44.15 per kgf ($3,620.65, 82 kgf) |
| Efficiency 25% | 60 18.2 kgf per kW (80 kgf, 4.4 kW) | 34 16.4 kgf per kW (82 kgf, 5 kW) |
| Run time 25% | 33 3 minutes continuous | 33 3 minutes continuous |
| Weight 10% | 67 4 kgf per kg (80 kgf, 20 kg) | 35 3 kgf per kg (82 kgf, 27 kg) |
Specifications
| Sleipner SE80 Tunnel Thruster 24V | Lewmar 185TT 5.0 kW Gen 2 Thruster | |
|---|---|---|
| Thrust | ||
| Rated thrust | 80 kgf | 82 kgf |
| Thrust at full supply voltage | 96 kgf | - |
| Style | Tunnel | Tunnel |
| Propellers | Twin | Single |
| Bow or stern use | Yes | - |
| Boat length | 33-49 ft | - |
| Electrical | ||
| Supply | 24 V | 12 V |
| Motor | 4.4 kW | 5 kW |
| Current draw | 280 A | 480 A |
| Continuous run | 3 min | 3 min |
| Build | ||
| Tunnel diameter | 185 mm | 185 mm |
| Weight | 20 kg (44.1 lb) | 27 kg (59 lb) |