JCB improved the drive system in its VMT380-130, VMT380-140, VMT430-130 and the VMT430-140 Vibromax double-drum rollers to deliver a 20% increase in vibration frequency to 66Hz.
- VMT380 and VMT430 can be specified with 51- or 55-in. drum widths
- Single-front, single-rear or twin drum vibration
- Automatic Vibration Control (AVC) system cuts off vibration when roller stops
- Three working modes with a detented throttle control for three different frequencies
- Feature a single-piece exciter shaft and maintenance-free center joint
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