DL450 drilling machine adopts five-pump hydraulic system of higher efficiency with more reasonable distribution of power.Its powerful air cooling system,crawler combined of steel and rubber and dual speed travel not only ensure safe load and unload but also save transfer time in short distance.The speed-up automatic hydraulic alarm system,operation handle with hydraulic valve is easy for operators to work.In addition to labor-efficient and safe pipe loading bracket,it also features strong power,mud pump with large output that can directly mach with mud motor and go through deposited tube in rock layer no more than 50MPA.