Buck Algonquin Shaft Coupling 50-725BU

7-1/4" Buck Algonquin Split Propeller Shaft Coupling for Allison, Capitol, PRM Newage and Twin Disc Marine Transmissions.

The Buck Algonquin 50-725BU Split Shaft Coupling is a heavy-duty 7-1/4" flange coupling engineered for dependable performance in inboard marine propulsion systems. Designed for precise shaft alignment and secure connection between the transmission and propeller shaft, it ensures efficient power transfer and reduced drivetrain stress.

The split coupling design allows for easier installation and removal without full shaft disassembly, making maintenance more efficient. Constructed from durable marine-grade materials, the 50-725BU offers excellent strength, corrosion resistance, and long-term reliability in both saltwater and freshwater environments, making it ideal for demanding recreational and commercial applications.

Coupling dimensions

• Flange Diameter: 7 1/4"
• Bore Range: 2" Thru 2-1/2"
• Pilot Diameter: 3 3/4" x 1/4" Female
• Bolt Circle: 6"
• Bolt Diameter: 5/8" and 3/4"
• Coupling Length: 4 3/8"
• # of Bolts: 6 (New flange bolts included)