Starting at $44,800.00

The Seakeeper 4 is revolutionizing roll reduction performance on boats ~38-44 feet in a smaller, lighter package. Designed to run on DC power for boats without a generator, it can fit anywhere the Seakeeper 3 fits now, making it a great option for upgrading. 

(not including installation in price)

Max Rated Speed 8,250 RPM

Angular Momentum at Max Rated RPM 4,000 N-M-S

Max Anti-rolling Torque at Max Rated RPM 10,427 N-m

Power Consumption

Spool-Up Power1,050 Watts Max

Spool-Up Power Input12 VDC @ 88 Amps Max

Operating Power 550 – 1,050 Watts

Operating Power Input12 VDC @ 46 – 88 Amps

Control Power 120 Watts Max

Control Power Input12 VDC @ 15 Amps Max

Seawater Pump Power Input12 VDC @ 15 Amps Max Weight746 lb (338 kg)

Envelope Dimensions26.56 L x 28.05 W x 20.15 H (inches) 0.675 L x 0.713 W x 0.512 H (meters)

Noise Output<72 dBC @ 3.3 feet (1 meter)

Seawater Supply to Heat Exchanger 2.5 GPM (9.5 LPM) Minimum 

4 GPM (15.2 LPM) Maximum

Ambient Air Temperature32F – 140F (0C – 60C)