Pneumatic Water Well Drilling Rig Full Hydraulic Water Well Drilling Rig Supplies Large Deep Drilling Machine
ST 350 Crawler Chassis Mounted Drilling Rig Descrption
ST350 Water Well Drill Rig can create drilling jobs in different strata, borehole diameter can up to 245-294mm. The rig with hydraulic technology, supporting high torque hydraulic motor rotation and large bore hydraulic cylinder push, the multi cylinder engine of famous factory provides power for the hydraulic system, two stage air filter, air compressor intake design, prolong the service life of diesel engine.
Special pump set design is convenient for maintenance and reduce the cost of maintenance. Centralized
control of the hydraulic controllable, convenient operation.
ep Bore Hole Diesel Engine Pneumatic Hard Rock Borewell Water Well Drilling Rig Machine Price
ST 350 Crawler Chassis Mounted Drilling Rig Technical Information
Model | ST 350 Pneumatic Drilling Rig Machine |
Drilling depth | 350m |
Dia.hole | φ140 - 325mm |
Advance Length one time | 6.6m |
Working pressure | 1.7-3.3MPa |
Air consumption | 17-35m³/min |
Length of rod | 1.5m,2m,3m, 6m |
Dia. Of rod | φ89,φ102,φ114 |
Lifting power | 24T |
Rotation torque | 6200-85000N.m |
Rotation Speed | 55-115r/min |
Diesel Engine | Yuchai |
Engine Power | 92Kw/2200rpm |
Travelling speed | 0-2.5 Km/h |
Climb capacity | 30° |
Weight | 9000kgs |
Dimension | 5900x2000x2850mm |
Application | Complicated geological conditions: Rock, Mud, Sand etc. |
ST-350 Crawler Chassis Mounted Drilling Rig Features
1. The engine uses Guangxi Yuchai 92kw turbocharged engine;
2. Traveling device: the traveling motor is equipped with reducer, which has long service life;
3. Hydraulic oil pump; Parallel transmission design () separate oil pump, sufficient power supply, reasonable distribution, unique design of hydraulic system, simple maintenance and low cost;
4. Power head unit; The gearbox is integrally cast, and dual motors provide power, with large torque, durability and low maintenance cost;
5. Drilling rig chassis; Excavator chassis, durable, large bearing capacity, wide chain plate, less damage to hard pavement;
6. Lifting force; The design of compound boom has the advantages of small volume, long stroke, double oil cylinder lifting and large lifting tonnage;
7. The lifting boom of each drilling rig is equipped with a stopper to protect the oil cylinder and ensure work safety;
8. Each hydraulic oil pipe is wrapped with a protective jacket to prolong the service life of the oil pipe.
FAQ
1.Are you factory ?
Yes,we are professional factory for drilling rig and pile driver .
2.What is the maximum drill depth ?
Maximum drill depth is 450 meters .
3.What is the Maximum drill diameter ?
For soil ,maximum drill diameter is 500mm , for rock maximum drill depth is 400mm
4.what kind drill rod use ?
We have dia.76mm,89mm,102mm,114mm,etc. but detail drill rod need choose according your drill diameter and drill depth
5.Does it pneumatic drilling rig ?
yes, it is pneumatic drill rig must used together with air compressor,impactor,drill bits ,drill rod .
6.Can it drill soil ?
Yes, but soil depth must smaller than 30 meters .If soil deep than 30 meters ,we can connect the mud pump in the drilling rig .
7.What engine does it used ?
Yuchai engine
8.Can you send engineer to our jobsite ?
Yes , we can send our engineer to your jobsite .
9.what is the payment term ?
30% deposit in advance,balance shall be paid before delivery .
10.What is delivery time?
Usually within 7 working days .






