Elite Marine Stabilizers

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.

$47,400
(not including installation)

Ideal for Boats

The next generation of Seakeeper innovations introduces the most efficient and most effective gyrostabilizers ever built.

More stabilization. Smaller Package.

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Asymmetric Flywheel

An all-new flywheel design features a deeper lower hemisphere, enabling the motor to be tucked inside the flywheel. This design reduces overall height and provides the most efficient flywheel shape to maximize performance per pound and footprint.

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Faster Installation

The new frame can be disassembled to allow for installation in locations where it otherwise may not have fit.

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Economical Maintenance

Zinc-nickel plated components, a single-cylinder brake design, and a redesigned cooling system provide better protection and easier maintenance.

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Easier Access

Fewer mounting bolts, greater access clearances, and quick-release top cover fasteners make service faster and easier.

Technical Specifications
Max Rated Speed
8,250 RPM
Angular Momentum at Max Rated RPM
4,000 N-M-S
Spool-up Time to Max Rated RPM
60 minutes (8,250 RPM)
Spool-up Time to Stabilization
34 minutes (6,188 RPM)
Power Consumption
Spool-Up Power
1,050 Watts Max
Spool-Up Power Input
12 VDC @ 88 Amps Max
Operating Power
550 – 1,050 Watts
DC Power Input
Control Power
120 Watts Max
Control Power Input
12 VDC @ 15 Amps Max
Seawater Pump Power Input
Over Current Protection based on installed pump rating
12 VDC @ 15 Amps Max
Weight
746 lb (338 kg)
Envelope Dimensions
26.56 L x 28.05 W x 20.98 H (inches)
0.675 L x 0.713 W x 0.533 H (meters)
Noise Output
~72 dB @ 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 Temperature
32F – 140F (0C – 60C)

Seakeeper Warranty

To ensure peace of mind, all Seakeeper products come with a multi-year factory warranty

Find the Right Seakeeper for Your Boat