SEP170 Twin Props Tunnel Thruster

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SEP170 Tunnel thruster, 24V – 347 lbs. thrust Proportional

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Side-Power Thrusters

Side-Power 170kg Proportional Speed Control DC Thruster, 24V, Twin Counter-Rotating 5-blade Props, Sealed Gearleg, 250mm

The SEP170 twin props tunnel thruster with counter rotating four-bladed propellers, mechanically built like its larger brothers, the reliable and powerful SEP170/210TC thruster has become the market leader in its size range. Side-Power’s new range of proportional speed control DC thrusters allow you to select the power you need for precise boat movements in any weather and sea conditions. The unique “hold” feature allows you to keep the boat in position at dock or in locks.


Thrust @ 24VDC 462 lbs (210 kg)
Typical Boat Size 50-70′ (15-22 m)
Tunnel Diameter 9.8″ (250 mm)
Propulsion System Twin Counter Rotating
Power @21V 10.7 hp (8 kw)
Voltage 24VDC
Minimum Battery Capacity 550 CCA SAE
Recommended Fuse Size 400 Amp (SMANL400)
Manufacturer Side-Power
Min Depth to Top of Tunnel 4.92″ (125mm)
Min Depth to Center of Tunnel 9.84″ (250mm)