Hamm Oscillation Rollers

Hamm Oscillation Rollers

• The 8-ton HD O70V and 13-ton HD O120V utilize Hamm Oscillation Technology, which ensures the drums maintain constant contact with the ground.
• 59- and 78-in.-wide double drums
• Operating weights of 16,325 and 26,345 lbs.
• 2,160- to 2,520-vpm rear drum oscillation frequency for HD O120V
• 1,800- to 2,160-vpm rear drum oscillation frequency for HD O70V
• 2,520- to 3,000-vpm conventional frequency vibration of front drum for both models