Sleipner SE210 Tunnel Thruster 24V
#4 in Over 75 kgfFull review
The thruster for a 56 to 79 ft yacht on a 24 V system. Smaller boats are better off with the SE170.
Fisheries Supply $9,011.81 eBay$9,011.81
The Sleipner SE210 Tunnel Thruster 24V is the better bow thruster overall, rated 3.7 to 3.0. The Sleipner SE210 Tunnel Thruster 24V leads on efficiency. The Lewmar 185TT 6.0 kW Gen 2 Thruster wins on weight. The Lewmar 185TT 6.0 kW Gen 2 Thruster costs $4,416.37 less ($4,595.44 vs $9,011.81).
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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 SE210 Tunnel Thruster 24V for efficiency (21 kgf per kW (210 kgf, 10 kW) vs 16.2 kgf per kW (97 kgf, 6 kW)).
- Choose the Lewmar 185TT 6.0 kW Gen 2 Thruster for weight (3.6 kgf per kg (97 kgf, 27 kg) vs 3.1 kgf per kg (210 kgf, 68 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 SE210 Tunnel Thruster 24V | Lewmar 185TT 6.0 kW Gen 2 Thruster |
|---|---|---|
| Overall rating | 3.7/5 | 3.0/5 |
| Value 40% | 64 $42.91 per kgf ($9,011.81, 210 kgf) | 57 $47.38 per kgf ($4,595.44, 97 kgf) |
| Efficiency 25% | 100 21 kgf per kW (210 kgf, 10 kW) | 31 16.2 kgf per kW (97 kgf, 6 kW) |
| Run time 25% | 33 3 minutes continuous | 33 3 minutes continuous |
| Weight 10% | 36 3.1 kgf per kg (210 kgf, 68 kg) | 53 3.6 kgf per kg (97 kgf, 27 kg) |
Specifications
| Sleipner SE210 Tunnel Thruster 24V | Lewmar 185TT 6.0 kW Gen 2 Thruster | |
|---|---|---|
| Thrust | ||
| Rated thrust | 210 kgf | 97 kgf |
| Thrust at full supply voltage | 250 kgf | - |
| Style | Tunnel | Tunnel |
| Propellers | Twin | Single |
| Bow or stern use | Yes | - |
| Boat length | 56-79 ft | - |
| Electrical | ||
| Supply | 24 V | 12 V |
| Motor | 10 kW | 6 kW |
| Current draw | 500 A | 700 A |
| Continuous run | 3 min | 3 min |
| Build | ||
| Tunnel diameter | 250 mm | 185 mm |
| Weight | 68 kg (149.9 lb) | 27 kg (59 lb) |