This is a new gear reducer. The reducer has red primer on it with a splash of green paint and the flange/bell is painted gray.
The input is a for a 160M / 160L Servo motor frame.
180MM (Rabbet / Spigot Diameter): The machined pilot diameter that centers the motor to the gear reducer or machine housing.
215MM (Bolt Circle Diameter): The pitch circle diameter of the threaded mounting holes.
The gearbox is 16" long (19-1/2" including output shaft).
Shaft centerline height is 6"
The input side has a KTR Rotex GS28 coupling and the rubber spider (the coupling 1/2 for the motor side is not included).