1.  CAT349D chassis imported with original packaging: It adopts C-13 ACERT electronic fuel injection turbo-supercharging inter-cooling engine. Double rotation reduction gear provides sufficient rotation braking torque for the drilling rig in course of working;

2.  Postposition single layer winding coiling block: It prolongs the service life of the steel rope. Rexroth dual reduction gears and dual motor are mounted. The lifting power of main winch reaches 350kN and maximum lifting speed reaches 63m/min;

3.  Strong drilling power: It adopts three groups of motor reduction gears with internationally famous brand and the maximum output torque reaches 360kN.m; it is equipped with pressing winch and the maximum pressing power is 240kN. It helps the rotary drilling rig to drill into the rock.

4.  Precise electric system: It adopts Pal-Fin control system, top grade imported TTC controller, display and control, data acquisition components. The mast control handle system can realizes the manual operation of raising the mast, and rectify the deviation coordinating with the display. It possesses the function of automatically mast raising and vertical adjustment.

5  Stable hydraulic system: It adopts large displacement hydraulic pump, LUDV load sensing system, pilot control return circuit reduction gears and independent hydraulic cooling system with the advantage of energy saving and high efficiency. Hydraulic motor, reduction gears, all kinds of hydraulic valves, oil pipes and joints etc are products of international brands so as to ensure the stability and high reliability of the complete vehicle performance.