The DD118HFA and DD138HFA high-frequency, high-amplitude compactors have eight amplitude settings that automatically adjust to the highest frequency for the amplitude selection.
- 27,670-lb. DD118HFA offers up to 42,070 lbs. of centrifugal force and 3,000 to 4,200 vpm
- 30,325-lb. DD138HFA supplies up to 41,720 lbs. of force and 2,700 to 4,000 vpm
- Feature a SMART vibration system, SMART propulsion system, SMART water system and SMART start
- Impact meter enables precise control of rolling speed for the desired drum impact spacing
- Dual water spray system
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