Buck Algonquin Shaft Coupling 50-MC005

5" Buck Algonquin Solid Propeller Shaft Coupling for Borg Warner and Hurth Marine Transmissions.

The Buck Algonquin 50-MC005 Solid Shaft Coupling is a precision-machined marine component engineered to provide a rigid and dependable connection between the transmission output flange and propeller shaft. Designed for Borg Warner and Hurth marine transmissions, this coupling ensures accurate alignment and efficient power transfer in inboard propulsion systems.

Featuring a one-piece solid construction, the 50-MC005 delivers maximum holding strength and structural integrity, making it ideal for applications where long-term reliability and minimal flex are critical. This design helps reduce vibration and maintain consistent drivetrain performance under load.

Constructed from high-strength ductile iron and machined to strict marine tolerances, the 50-MC005 ensures reliable power transfer, proper shaft alignment, and long service life in demanding inboard applications.

Coupling dimensions

• Flange Diameter: 5"
• Bore Range: 1" Thru 2"
• Pilot Diameter: 2 1/2" x 3/32" Male
• Bolt Circle: 4 1/4"
• Bolt Diameter: 7/16"
• Coupling Length: 2 5/8"
• # of Bolts: 4 (New flange bolts included)