is 3-1/4"

it is capable of working with rechargeable batteries

353 amp hours

Dimensions Length Width  Height 24-1/4" 15-1/4" 8-3/4"

Quick Hydro Retractable Thruster BTRH185 $100-$300 is 3-1/4"QUICK BTRH 185 105 HYDRAULIC TWIN PROPELLER RETRACTABLE BOW THRUSTER Twin propellers made in sturdy composite material. Recommended boat length 33 59 ft. Solenoids protection carter in sturdy composite material. Composite material. Bronze gearbox. Independent zinc anode from the gearbox and easily replaceable. Equipped with elastic coupling. The Gearbox is created so that the behavior of the propeller is unaffected in either direction. The conical