Model: VBS50, VBS60 Specifications: 1) Vibrator frequency: 5,600rpm 2) Max. traveling speed: 15 - 20m/min 3) Grade: 20? 4) Vibrating force: 38 KN 5) N.W.: 140kg 6) Matched power: 9.0hp 7) Plate size (L x W): 420 x 320mm