The Quick HC3 Hector 712ADB horizontal windlass is suitable for boats from 7m to 10m (23 to 33ft)

On older SP125 models

81903040 - Size 1/2" CTS X 3/4" O

350A Continuous

which makes this model compatible with all 12V models up to

Q-Prop Upgrade Kit for 125T Thrusters Outlet The Quick HC3 Hector 712ADBQ Prop Upgrade Kit for 125T thrusters, 5 blade propeller, compositeLess noise, more thrust! Complete kit to upgrade your Side Power 125T thruster from a 4 blade prop to the newer, quieter and more efficient 5 blade Q prop. Can be adapted to all SM125T models produced after 1998. Complete Kit Contains: 250mm Q Props (2) Zinc anodes with bolts (2) Propeller lock nuts (2) Propeller washers (2) Propeller key (2)