
Meet the

4
For yachts 38-44 feet.
Up to 95% less yacht roll.

TECHNICAL PROFILE
Seakeeper 4 specifications
Designed for yachts approximately 38–44 feet, the Seakeeper 4 delivers strong stabilization in a compact package powered by 12-volt DC. Its internal design supports installation in both new builds and refit applications.
MSRP 2026
$47,400
YACHT FIT
~38–44 ft
Recommended yacht length
15 tons
Maximum displacement
26.56 × 28.05 × 20.98 in
Envelope dimensions
SYSTEM
746 lb
Unit weight · 338 kg
DC
Power source
2 years
Standard warranty · 2,000 hours
PERFORMANCE
8,250 RPM
Maximum rated speed
4,000 N·m·s
Angular momentum
~72 dB
Noise output at 1 meter
OPERATION
60 minutes
Spool-up to maximum speed
34 minutes
Ready for stabilization
550–1,050 W
Operating power
Spool-up power: 1,050 W maximum. Operating input: 12 VDC at 46–88 amps.
MSRP excludes installation and may be subject to tariff pass-through.