Product Description 300m-400m Crawler drilling rig used for well DF-400S 300m-400m Crawler drilling rig DF-400S is widely used in wells, testing wells and other exploration wells drilling rock, Particularly applicable to ground source heat pump air conditioning system heating hole drilling rock. Technical Parameter

300m-400m Crawler drilling rig used for well DF-400S
1	Weight（Kg）	9000
2	Dimension（mm）	5960×2150×2650
3	Caliber（mm）	115~355
4	Max depth（m）	400
5	Walking speed（Km/h）	0-2.5
6	Grade ability（°）	25
7	Ground clearance（mm）	300
8	Work pressure（MPa）	1.6~2.46
9	Air consumption（m³／min）	16~30
10	Leg cylinder stroke（mm）	1600
11	Drilling speed（m/h）	5-30
12	Diameter of the drill pipe（mm）	76/89/102
13	Unit length of drill pipe（mm）	3000
14	Axial pressure（N）	46000
15	Lifting force（N）	96000
16	Hoist（N）	15000
17	Lifting speed (slow)（m/min）	8
18	Lower speed (slow)（m/min）	0.5~16
19	Lifting speed (fast)（m/min）	38
20	Lower speed (fast)（m/min）	80
21	Rotation speed（r/min）	0~100
22	Rotary torque（Nm）	6500
23	Power（Kw）	85
24	Apply for rock hardness（f）	6~20

Advantages ● High-performance hydraulic pump station, a clear hydraulic operating system makes the operation more concise and clear.

● Two-stage air filtration system, horizontal exhaust system, large-capacity cooling system and reliable suspension damping system, a strong guarantee that the engine is always in a good working environment.

● Large diameter cylinder support, not only makes the drill support more powerful and safe, but also a good solution to the field operation of the equipment handling problems.
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