A ROTARY PILING DRILLING RIG USED IN THE CONSTRUCTION INDUSTRY TO DRILL AND INSERT CONCRETE PILING FOR SUPPORTING STRUCTURES SUCH AS BUILDINGS AND BRIDGES. THE RIG IS SELF-PROPELLED WITH A FULL HYDRAULIC DRIVE AND RETRACTABLE TRACK STRUCTURE CHASSIS. IT HAS A DRIVERS CAB AND CONTROLLING SYSTEM AND IS POWERED BY AN ELECTRO-JET INTERNALLY COOLED TURBO DIESEL ENGINE WITH AUTOMATIC ACCELERATING/DECELERATING FUNCTION. THE ON-BOARD COMPUTER DETECTS LOAD CHANGE AND ADJUSTS THE POWER OUTPUT ACCORDINGLY. THE MAST IS OF THE BOX TYPE CONSTRUCTION. IT IS ARTICULATED AND FOLDED IN THREE SECTIONS FOR EASY TRANSPORTATION. VARIOUS DRILLING BUCKETS ARE AVAILABLE FOR DRILLING INTO DIFFERENT TYPES OF ROCKS OR SOILS.

CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6. CN 843050 00 FOR OTHER MACHINERY, SELF PROPELLED.