... The transfer case, main driving system, gearbox, slurry pump, and rotary table, drill tower and steel wire ropes, etc. are all mounted on ... method. Equipped with BW850/2A slurry pump, it adopts slurry as the drilling fluid, and finally achieves direct circulation drilling with ... drill tools like hydraulic down-the-hole hammer, and 850/2A mud pump, the truck mounted drilling rig can realize hydraulic ...