| After-sales Service: | Support Oversea Train |
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| Warranty: | 12 Month |
| Certification: | ISO 9001:2008 |
| Condition: | New |
| Motor: | AC Motor |
| Drill Hole Diameter: | 140-350mm |
| Customization: |
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Suppliers with verified business licenses
Audited Supplier 300Meter Track mounted multifunction drilling rig
1.It is an efficient and multifunctional groundwater drilling equipment, which can be used for drilling water wells, agricultural irrigation wells, geothermal wells and other wells. It is especially suitable for water intake projects in mountainous areas and rock formations.
2.The machine can drill holes in different formations (rock layers, mud layers, sand layers), and the maximum aperture can reach 300mm.
3.This machine adopts high-torque hydraulic motor power head and brand diesel oil, and the hydraulic control system adopts large-diameter hydraulic cylinder. The brand diesel is protected by a two-stage air filtration system, and the clean air from the air compressor can also be used directly.
4. Unique bump design and centralized control operating system are easy to maintain and operate.
5. This machine adopts excavator crawler chassis, which has high off-road performance and can also be installed on trucks, with stronger mobility.
6. Two gear rotation and feed speed to make it work in soil and rock layers.
7. Dual systems can be installed: 1) Air power system with air compressor 2) Mud pump system with mud pump
8. After more than 30 years of market test, the drilling rig has reliable quality, simple operation and low maintenance cost. Welcomed by domestic and foreign drilling companies.
| Model | HDML300 | |
| Borehole diameter range | mm | 140-325 |
| Max Drilling Depth | m | 300 |
| The OD of drilling pipe | mm | 89 |
| The length of pipe | mm | 3000 |
| Feed stroke | m | 3.4 |
| Travel speed | km/h | 2.5 |
| Rig lifting force | T | 24 |
| Tool winch Lifting Force | T | 1 |
| Rotary speed | rpm | 55-115 |
| Diesel engine | KW | 75 |
| Grade Ability | 30° | |
| Rotation torque | N.m | 6200-8500 |
| Use air pressure | Mpa | 1.7-3.0 |
| Air consumption | m3/min | 17-35 |
| Mud pump | L/min | 450 |
| Gross weight | T | 7 |
| Transport Dimension(L x W x H) | mm | 4100*2000*2600 |
WHY CHOOSE HUAUNO MACHINERY?
1.Our aim is to supply the most suitable borehole drilling machine to users.
You can get a full range of product selection advice and product customization without paying any fees.
2.We have two groups of design teams. One team of after-sales engineers with more than 30 years of construction experience at home and abroad, other team of designers who graduated from well-known universities and have rich work experience. We will combine a wealth of practical construction experience and the most advanced professional theoretical knowledge to meet your various demands.
3.We are not only familiar with borehole drilling rig, but also familiar with the human environment, construction environment and strata in the construction field at home and abroad. Provide you with the greatest technical support, save costs and create the greatest value with you. Yes, choosing us is your best decision.
4. Support overseas train and maintain. We do ten days overseas train for free,after you buy our machine.
5. One year Warranty. HUANUO knows the various needs of the water well service companies and operators worldwide.
Customers who buy rigs from us can benefit from great saving thus boost their bottom line.
Support overseas train and maintain.
We do five to ten days overseas train for free,after you buy our rigs.
FREQUENTLY ASKED QUESTIONS
Q: Are you trading company or manufacturer?
A:our factory more than 30 years experience for produce borehole drilling machine.
Q: Are your products qualified?
A:Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.
Q: How to get a accurate quotation from us ?
A:Please provide us the details for your well or demands for the rigs. such as max drill depth, borehole diameter range.
Q:What's the shipping cost from china to your country ?
A:We can send machine to your port or door address by sea or truck. please kindly tell us your nearest destination port or address with postcode. we have reliable shipping agent to insure the safe convenient and time delivery.
Q:Do you accept L/C payment ?
A:Yes, normally our payment is 30%+70% T/T ,LC payment is also acceptable
Q:How to operate this machine ?
A:You will get operation video from us, or on-site training
Q:What about commissioning service ?
A: We can offer commissioning service , the buyer need to afford plane tickets.
Q:Do you offer teaching & training ?
A:Yes, the oversea training is support. For more details pls contact with our saler.
OUR SERVICES INCLUDED BUT ARE NOT LIMITED TO THE FOLLOWING
1. Purchase Guidance;
Suppliers with verified business licenses
Audited Supplier 
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