A-A-50499 Tamper, Vibrating Plate Type, Gasoline And Diesel Engine DrivenThis document covers commercial, manually controlled, vibrating plate type tampers, powered by a gasoline or diesel engine. The tamper is intended for use in compacting fine and coarse grained soil and finishing hot and cold mixed asphalt in areas inaccessible by large self-propelled compacting equipment. This CID covers two classes of tampers as follows: Class 1 - Gasoline Engine Powered and Class 2 - Diesel Engine Powered