This document provides technical specifications and ordering information for model 307 sheave clutches. It lists torque and speed ratings for the 307 model at different voltages and currents. It also provides a diagram and part numbers for replacement parts for the 307 sheave clutch, including the armature assembly, rotor assembly, bearings, retaining rings, and field components. Customers are instructed to order units using the model numbers listed in the table and to contact the manufacturer for controls information.