Sleipner SE150 Tunnel Thruster 24V
#8 in Over 75 kgfFull review
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$6,381.35
The Sleipner SE150 Tunnel Thruster 24V is the better bow thruster overall, rated 3.3 to 3.0. The Sleipner SE150 Tunnel Thruster 24V leads on efficiency and weight. The Lewmar 185TT 6.0 kW Gen 2 Thruster costs $1,785.91 less ($4,595.44 vs $6,381.35).
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 6.0 kW Gen 2 Thruster
#11 in Over 75 kgfFull review
The 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 eBay$4,595.44
Which should you buy?
- Choose the Sleipner SE150 Tunnel Thruster 24V for efficiency (17 kgf per kW (150 kgf, 8.8 kW) vs 16.2 kgf per kW (97 kgf, 6 kW)) and weight (3.9 kgf per kg (150 kgf, 38 kg) vs 3.6 kgf per kg (97 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 SE150 Tunnel Thruster 24V | Lewmar 185TT 6.0 kW Gen 2 Thruster |
|---|---|---|
| Overall rating | 3.3/5 | 3.0/5 |
| Value 40% | 64 $42.54 per kgf ($6,381.35, 150 kgf) | 57 $47.38 per kgf ($4,595.44, 97 kgf) |
| Efficiency 25% | 44 17 kgf per kW (150 kgf, 8.8 kW) | 31 16.2 kgf per kW (97 kgf, 6 kW) |
| Run time 25% | 33 3 minutes continuous | 33 3 minutes continuous |
| Weight 10% | 65 3.9 kgf per kg (150 kgf, 38 kg) | 53 3.6 kgf per kg (97 kgf, 27 kg) |
Specifications
| Sleipner SE150 Tunnel Thruster 24V | Lewmar 185TT 6.0 kW Gen 2 Thruster | |
|---|---|---|
| Thrust | ||
| Rated thrust | 150 kgf | 97 kgf |
| Thrust at full supply voltage | 182 kgf | - |
| Style | Tunnel | Tunnel |
| Propellers | Twin | Single |
| Bow or stern use | Yes | - |
| Boat length | 46-66 ft | - |
| Electrical | ||
| Supply | 24 V | 12 V |
| Motor | 8.8 kW | 6 kW |
| Current draw | 610 A | 700 A |
| Continuous run | 3 min | 3 min |
| Build | ||
| Tunnel diameter | 215 mm | 185 mm |
| Weight | 38 kg (83.8 lb) | 27 kg (59 lb) |