36" 70-ton, ARA "E" rated axle, single insulated, multi wear tread

 70-ton single-insulated 36" wheelpair used under Pullman 4 and 6 wheel passenger car trucks where electrical pickup is required for lighting.  The application of 40-ton, 50-ton or 70-ton 36" wheel hub and axle specifications is dependent on the car weight that the wheels are to be used under.  Research on the modeler's part will determine the appropriate axle rating to apply to the specific model.