Coleman Fleetwood upper crank assembly.
Designed to weld onto the top plate for upper / lower crank drive lift systems.
Mounting plate measures 4 inches by 4-1/2 inches.
Drive hub extension measures 3-1/4 inches in length as measured from the mounting plate.
Chain drive gear has 22 teeth. Comes with drive hub extension and hardware pack.
Part number 4745B6601