FGSL-300A-type projects, well drilling rig with a large double-column gantry itself from the frame, automatic feeding and take the tube, more convenient pile construction, machine commissioning completed in the factory, without the user in the construction of disassembly debugging Bored to one machine; FGSL-300A-type projects, well drilling rig for bridge foundation, the building foundation, geologic mines, ports, dams and deep wells based works. 
 Technical parameters 
 Drilling depth (m) 300 80 
 Hole diameter (mm) 500 150 
 Inner diameter of turntable (mm) 340 
 Wheel speed (forward and reverse) (r / min) 36; 52; 91 
 Rated output torque turntable (KN.m) 10 
 Main hoist lifting capacity (single rope) (KN) 22 
 Auxiliary hoist lifting capacity (single rope) (KN) 17 
 Carrying capacity of the tap (KN) 150 
 Host supporting power (KW) 22 
 Work status (mm) 4800 × 2540 × 8640 
 Transport status (mm) 8290 × 2540 × 2310 
 Weight (kg) 6070