Seakeeper 4.5 specs
The Seakeeper 4.5 is ideal for boats between 40 and 46 feet, operates exclusively on AC power, and can be installed virtually anywhere on board for seamless integration.
$55,600 (AS OF JAN. 1, 2026)
AVG INSTALL COST $19,000
AVG TOTAL COST $74,600
*Seakeeper price does not include applicable taxes, shipping, or potential yard and transport fees, which may vary by location.
Have more questions? Contact us today!
Key specifications:
- Boat Size Compatibility: 40–46 feet | Up to 18 tons
- Power Source: AC power required
- Unit Weight: 736 lbs (333 kg)
- Dimensions: 27″ L x 28″ W x 20″ H
- Warranty: 2 years or 2,000 hours (whichever comes first)
Extended warranty available
Performance:
- Maximum Rated Speed: 9,700 RPM
- Angular Momentum (Max RPM): 4,500 N·m·s
- Anti-Rolling Torque (Max RPM): 11,780 N·m
- Spool-Up Time to Max RPM: 35 minutes (9,300 RPM)
- Time to Stabilization: 19 minutes (6,975 RPM)
Power Consumption:
- Operating Power: 950 – 1,600 Watts (depending on sea conditions)
- Spool-Up Power: Up to 1,950 Watts