Model of drilling rig	SPJT-300
TYPE	trailer
Drilling depth	300
Dlameter  of hole	450
Toraue	8.0
Speed of Rotary table	44，77，139
Dlameter  of  thru hole	500
Main winch	30
Auxiliary winch	20
Specification of Kelly	Ф108 L=7650
Specification of drill pipo	Ф89 L=6500
Rated load	180
Height	1.6
Power	37×2
Mud pump type	BW850
Weight	10.2