Product Description 1.Drilling depth can reach 460m 2.Steels quality is good, torque is large 3.Easy operation, free-maintaining 4.For various complex strutam, such as pebble bed, aggregate bed. 5.Saving money, compact construction, easy moving 6. Applicable to industry, residents drilling, ground drilling, large diameter, deep drilling, footage fast, flexible and efficient. Product Parameters Model HFJ220A HFJ260A HFJ360A HFJ460A HFJ560A Max. Drilling depth 220m 260m 360m 460m 560m Drilling diameter 90-254mm 90-315mm 105-325mm 105-350mm 105-350mm Working air pressure 1.05-2.46Mpa 1.7-3.0Mpa 1.05-3.45Mpa 1.05-3.45Mpa 1.05-4.5Mpa Air consumption 16-30m³/min 17-35m3/min 16-55m3/min 16-55m3/min 16-60m3/min Drilling rod length 3m 3m 3m/4.5m/6m 3m/4.5m/6m 3m/4.5m/6m Drilling rod diameter 76/89mm 76/89mm 89/102mm 89/102mm 89/102/114mm Axle pressure 4T 4T 4T 10T 12T Lifting force 12T 14T 20T 24T 28T Lifting speed 2.5m/min 2.5m/min 3.0m/min 3.0m/min 3.0m/min Pulling speed 0.5-5m/min 0.5-5m/min 0.5-5m/min 0.5-5m/min 0.5-5m/min Fast lifting speed 18m/min 18m/min 30m/min 25m/min 25m/min Fast pulling speed 35m/min 35m/min 50m/min 40m/min 40m/min Max. rotation torque 4200-5600Nm 4500-6500Nm 6500-8500Nm 7500-9500Nm 8500-11000Nm Rotation speed 48-70r/min 50-70r/min 60-100r/min 45-120r/min 75-150r/min Mud pump flow 20L/min(optional) 20L/min(optional) 20L/min(optional) 20L/min(optional) 20L/min(optional) High hydraulic leg stroke 1.5m 1.5m 1.5m 1.5m 1.5m Walking speed 2.5Km/h 2Km/h 3.5Km/h 3.5Km/h 3.5Km/h Climbing capacity 30° 30° 30° 30° 30° Weight 4.7t 5.4t 8.5T 10.5t 11.5T Dimension 3600*1700*2150mm 3900*1700*2150mm 4800*2000*2450mm 5700*2000*2550mm 5800*2250*2550mm Power 55 kw 77 kw 93KW 93KW(6 cylinder) 153kw Company Profile FAQ 1. Are you a trading company or a manufacturer? We are a professional manufacturer. Our factory mainly produces water well drilling rigs, core drilling rigs, down-the-hole drilling rigs, pile drivers, etc. The products have been exported to hundreds of countries around the world and enjoy a high reputation all over the world. 2. How is the quality of your machine? Our products pass strict quality inspections before they leave the factory to ensure that they are qualified before they are shipped. 3. How to inspect the goods? 1) Support customers to come to the factory for on-site inspection. 2) Support customers to designate third-party companies to inspect goods. 3) Support video inspection. 4. Do you have after-sales service? Yes, we have a dedicated service team that will provide you with professional technical guidance. If you need, we can send our engineers to your workplace and provide training for your employees. 5. How about quality assurance? We provide a one-year quality guarantee for the main machine of the machine. 6. How long is your delivery cycle? 1) In the case of stock, we can deliver the machine within 7 days. 2) Under standard production, we can deliver the machine within 15-20 days. 3) In the case of customization, we can deliver the machine within 20-25 days.