... 4900kg Power Supply Air over hydraulic Tractive force 38kN Track gauge 1180mm Outstanding Features:1. an air over hydraulic, track mounted drilling rig, safer ... about to tram. Function Mobile drilling rig, track mountes Roof Support Type secondaryPlant TypeAir-hydraulic Tracked DrillGross Machine Tare4900kgBoom & Drill1900kgLength in transport ...