Road Compactor Purchase - see attachments Gas-powered reversible plate compactor. Below are the salient characteristics that are required to meet our need. 1. Must have gas powered engine 2. Must have... Road Compactor Purchase - see attachments Gas-powered reversible plate compactor. Below are the salient characteristics that are required to meet our need. 1. Must have gas powered engine 2. Must have an operating weight of over 800 lbs. 3. Must have a centrifugal force of 12,356lbs 4. Must have a Plate Size of 20”x35” 5. Must have a vibrator frequency of 4,400vpm 6. Must have an amplitude of .08 in