Model of drilling rig	SPJT-400
TYPE	tailer
Drilling depth	400
Dlameter  of hole	500
Toraue	9.6
Speed of Rotary table	36，64，114
Dlameter  of  thru hole	530
Main winch	30
Auxiliary winch	20
Specification of Kelly	Ф108 L=7650
Specification of drill pipo	Ф89 L=6500
Rated load	240
Height	1.69
Power	37×2
Mud pump type	BW850
Weight	13.5