Walter Split Shaft Coupling 9"AA

9" Walter Split Propeller Shaft Coupling for Twin Disc Marine Transmissions.

The Walter Split Shaft Coupling 9" AA is engineered for precise shaft-to-transmission connection in Allison and Twin Disc marine driveline systems. Built for strength and alignment accuracy, this coupling ensures consistent power transfer and dependable shaft retention under load.

The split design allows for installation and removal without pulling the shaft, significantly reducing service time and simplifying maintenance. Ideal for both replacement and new installations, the 9" AA coupling provides a reliable, serviceable solution for demanding inboard applications running Allison and Twin Disc transmissions.

Constructed from high-strength ductile iron and machined to strict marine tolerances, the 9" AA ensures reliable power transfer, proper shaft alignment, and long service life in demanding inboard applications.

Coupling dimension

• Flange Diameter: 9"
• Bore Range: 1-1/2" Thru 2-3/4"
• Pilot Diameter: 4-3/4" X 9/32" Female
• Bolt Circle: 7-1/2"
• Bolt Diameter: 3/4"
• Coupling Length: 5"
• # of Bolts: 6