Used John Henry JH16/170 Rock Drill for sale.Engine Hours: 4,243Drill Hours: 3,046Komatsu SAA4D107E-2 4.5L Turbodiesel 121HP @ 2,100rpm, Tier 4FOperating weight: 39,104 lbsModel JH16 John Henry Rock Drill mounted on a Komatsu Excavator Model PC170LC-10もっと表示する