1. Diesel engine：2pcs of Cummins 265Kw/2200 rpm
2. Hydraulic pump：4pcs of variable plunger pump with each output 190ml, from German Rexroth A11V series；
3. One gear pump of each 32ml/r and 25ml/r from Jinan.
4. Main motor： 14pcs of SH7V variable plunger motor with capacity 108ml from Italian Sam, used for rotation and push&pull in driving head.
5. 14pcs of reducers from Italian Dynamics or German KPM for rotation and push&pull in driving head.
6. 2sets of coupling originally imported from Germany.
7. Alloyed steel rack and pinion with abrasion-resistant and impact-resistant .
8. PLC-control circuit is simplified, more steady and more intelligent.
9. 3T crane.
Driving head max. theoretical torsion N·m
Work efficiency not considered（P=35Mpa）
Driving head max. theoretical push&pull force (KN)
Max. working pressure set in system (Mpa)
Allowed temperary max. working pressure 42 Mpa
Max. flow in hydraulic system (L/min)
Drill pipe diameter（inch）
5 or 5-1/2
Petroleum standard drill pipe
Max. length of drill pipe(m)
Driving head max. rotation speed(rpm)
Driving head max. push&pull speed(m/min)
Main spindle floating distance(mm)
Mud pump channel diameter（inch）
Max. mud flowing volume(L/min)
Max. mud pressure (Mpa)
Drill incidence °
Max. clamping force of pipe jaw (KN)
Max. unscrewing force of pipe jaw(N·m)
Max. walking speed(m/h)
Permitted working Temperature ℃
Permitted environment humidity ％
Permitted working altitude(m)
Referential back-reaming aperture (mm)
Referential drilling distance (m)