Single Pass Hydraulic Crawler Drill Rig has the main frame mounted with three hydraulic jacks for proper levelling of the rig. The Hydraulic Crawler Drill Rig is provided with hydraulic breakout wrench for making and breaking of drill pipes joints. The Hydraulic Crawler Drill Rig is capable of handling 6 mtrs drill pipe in an effective manner. Single Pass Hydraulic Crawler Drill Rig is facilitated with hydraulic power pack that is driven by water cooled diesel engine.