This document appears to be a catalog for precision planetary gear reducers and related products from Zipp Precision Gear Reducer. It includes technical specifications, dimensions, features and applications for their various gear reducer models including precision planetary, precision & economy planetary, and economy gear reducers. Product information is provided for multiple frame sizes with details on torque ratings, speeds, materials, seals, lubrication and other specifications. Mounting instructions and diagrams of dimensional profiles are also included.