| After-sales Service: | Support Oversea Train |
|---|---|
| Warranty: | 12 Month |
| Certification: | ISO 9001:2000, ISO 9001:2008 |
| Condition: | New |
| Motor: | AC Motor |
| Drill Hole Diameter: | 250-300mm |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 300Meter Track mounted top head drilling rig
1.HDML-300 track mounted versatile well drilling rig is a mature of efficient and versatile hydraulic rig. It is mainly applicable to the drilling process of wells, monitor boreholes, and geothermal boreholes.
2.When drilling in the rock layer, the rig adopts DTH percussive hammer for penetration and compressed air for cleaning, with a penetration speed being dozens of times quicker than conventional rotation rigs.
3.Hydraulic supporters facilitate the rig erection on site without crane.
4.Smaller size makes it adaptable to various kinds of construction sites.
| 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.
Support overseas train and maintain.
We do seven days overseas train for free,after you buy our rigs.
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}