Used buck Algonquin split shaft coupling 50-725AU. For use with Allison Marine Gear. For use with 1 3/4” shaft. This item is also stamped “69H”, “2XX” and “725A”. This item also may be cross- pinned.

A=Flange Diameter: 7 1/4”
B=Bore Range: 1 1/4” Thru 1 3/4”
C=Pilot Diameter: 3 3/4” x 1/4” Female
D=Bolt Circle: 6”
E=Bolt Diameter: 5/8”