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Main features:
1. NYD400 Crawler rock drilling rig is designed by our engineers borrowed the advanced technology from domestic and foreign countries.
2. The rig is reasonable design, complete matching, superior performance, easy to operate, easy to repair.
3. It is hydraulic drive, crawler belt. The drive head is driven by low-speed big torque motor. It has two-gear stepless speed regulating, advanced easy structure, steel wire feeding    system. The drilling rig is well stability, attractive appearance and realizes the design principle of "base on people”.
4. The diesel engine, hydraulic pump, main valve, motor, walking reduction box etc. And the main accessories are famous brand.
5. Install a 3T crane on the chassis of drilling rig,in order to use more convenient than traditional.
6. With large torque, high configuration，reasonable design, advanced control way assure the efficient working.
7. The diesel engine of the drilling rig is low emission、professional drop noise design, so it can used in various construction sites.
8. It uses advanced load sense control technology  which reduces the power consumption and heating system.
9. With nice appearance, compact structure, reliable performance, easy operation, the drilling rig is the best choice of hydraulic crawler rock drilling rigs.
10. The drilling rig can drill in the clay, sand, weathered rock, bed rock and mainly used in hydrogeology survey, water well drilling, underground tunnel, construction of vent hole, geotherm hole etc. It can apply many drilling techniques, like air drilling, foam rotary drilling.
Technical parameter
Drill depth(M) 400
Drill diameter(mm) 320
Drill pipe(mm) 89×10×3000
Wind pressure（Mpa） 1.05-2.46
Air consumption (M3/min) 16-35
Climbing capacity（°） 20°
Travel speed（km/h） 0-2.5
Lifting capacity of winch（KN） 10
Hoisting speed（m/min） 50
Rotating speed（rpm） 1-105
Rotating torque（KN） 4.5
Axle pressure（KN） 44
Lifting capacity of power head（KN） 130
Slow rise capacity（m/min） 7.2
Slow feeding capacity（m/min） 20
Fast rise capacity （m/min） 14.4
Fast feeding capacity（m/min） 40
Weight（t） 11
Overall dimension（mm） 6000x2100x3120