JEONIL CONCRETE VIBRATOR JIV- 45 Specification Model : JIV- 45 Vibrator DiaxLength : 45x445 ( mm) Frequency : 12000 ~ 14, 000 ( vpm) revolution of Flexible Shaft : 3000 ~ 3, 600 ( rpm) Vibration Amplitude : 2, 0 ( mm) Length df flexible Shaft : Standard: 6m ( m) ( 4~ 7m: available) Weight : 17 ( kg) w/ o drive unit Electric Motor : 1.0HPx.2P ( JGM-1) ( 15kg) Engine HP/ RPM : as required ( max) 3.5~ 6HP/ 3, 600RPM Gasoline