Redesigned Hypac C766D tandem vibratory roller features a new operator's cockpit with sliding, swiveling seat and an increased vibration frequency to 4,000 vpm. The operator can quickly adjust positions without switching seats and has a clear view to the roller drum edges. Ergonomic joystick controls reverse automatically when the seat is reversed for natural right/left, forward/back control. Instrument cluster is also easy to read. Drums are 66 inches wide, and maximum centrifugal force is 32,800 pounds. The operator receives instant feedback to allow constant monitoring of amplitude, frequency, impact spacing and mat temperature. Speed limiter allows operator to set maximum speed. Estimated list price: $170,000.