Buy Seakeeper 4.5

The Seakeeper 4.5 is suitable for boats between 40 and 46 feet, runs exclusively on 12V DC power and can be installed virtually anywhere on board. Need more information? Contact us now.

$52,600 ( MSRP 2024)

AVG INSTALL COST $20,000

AVG TOTAL COST $72,600

* Not Including applicable Tax, shipping, potential yard and transport fee’s depending on location.

Not sure if you should buy Seakeeper 4.5 or a different model?

Check out the information below which should help, but if the Seakeeper 4.5 doesn’t seem to be the correct model for your needs contact us now for help on making the right choice, or look at information on other Seakeepers on our Seakeeper price page.

Seakeeper 5 in a 44' Tiara

  • Boat size: 40 to 46 feet and up to 18 tons (36,000 pounds)

  • Unit weight: 736 lbs (333 kg)

  • Dimensions: 27 inches length, 28 inches width, and 20 inches height

  • Power: The Seakeeper 4.5 requires a ac power source to operate

  • Warranty: 2 years or 2000 hours or whichever comes first (with option to extend)

  • Max rated speed: 9,700 RPM

  • Angular momentum at max rated RPM: 4,500 N-M-S

  • Anti rolling torque at max rated RPM: 11,780 N-M

  • Spool-up time to max rated RPM: 35 minutes (9,300 RPM)

  • Spool-up time to stabilization: 19 minutes (6,975 RPM)

  • Power consumption spool-up power: 1950 Watts Max

  • Operating power: 950-1600 Watts (Sea State Dependent)