JK930 Heavy-Duty Crawler DTH Drill Rig If your benches run 15 to 20 metres and you need 138-210mm blast holes at a steady pace, the JK930 is the rig we put on that job. It is the largest machine in our range — 15 tonnes on a 3100mm track base — so it stays planted on broken rock instead of skating around once the hammer hits a fracture. Built for the bench A 194kW inline-six diesel drives two separate hydraulic circuits, one for the tracks and mast, one reserved for the
