The main technical parameters |
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D440 main technical parameters |
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| Recommended aperture range | Drill arm type | High strength single straight arm | |
| Aperture range | @90-130 mm | push beam | |
| Suitable for down-the-hole impact device |
3.5 inch/4inch | Propulsion method | Motor chain propulsion system |
| Pole changing system capability | Total length | 6,865 mm | |
| Number of stored rods | 7+1 | Advance the itinerary | 4,100 mm |
| Drill pipe outer diameter | 68 mm/76 mm | Advancing compensation | 1,200 mm |
| Drill pipe length | 3.5 m | Maximum propulsion speed |
0.85 m/s |
| Automatic lever change max. Hole depth |
28 m | Maximum advance force |
15 kN |
| Hydraulic slewing head | Maximum draw force |
31 kN | |
| Swing speed | 0-105 rpm | Chassis | |
| Maximum working torque | 2800 Nm | Maximum two speed walk |
3 km/h |
| Engine | Maximum drive force |
115.4 kN | |
| Engine model | QC8.3 | Gradeability | 30 ° (recommended when greater than 20 °) winch |
| Rated power | 191 kW @2,000
rpm |
Track frame swing horn |
±10 |
| Emission level | Country 2/Country 3 | Ground clearance | 450 mm |
| Capacity | 350 L | weight | 15.000 kg |
| Air compressor | Width | 2.480 mm | |
| Maximum working pressure | 20 Bar | length | 9,980 mm |
| Displacement | 16 m³/min | High | 3,200 mm |
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Company Profile
Shanghai Jindongyu construction machinery Co., Ltd. is a company focused on providing high-quality used construction machinery . We are committed to meeting our customers’ needs in the field of engineering construction and providing them with reliable and efficient used construction machinery solutions.
As a used construction machinery company, we have established long-term and stable cooperative relationships with major machinery and equipment manufacturers and suppliers. The used construction machinery we select have undergone rigorous testing and maintenance to ensure that their quality and performance meet industry standards. Our goal is to provide customers with affordable used construction machinery to help them reduce costs and improve engineering efficiency.
Our product range covers various types of construction machinery and equipment, including excavators, bulldozers, loaders, road rollers, etc. No matter the size of our customers’ projects, we can provide the right machinery to meet their needs.
The company has an experienced team with deep industry knowledge and technical expertise. Our team members have been rigorously screened and trained to provide customers with professional consultation and services. Whether the customer’s needs are to purchase used construction machinery or to find repair and maintenance services, we can provide the best solutions.
As a used construction machinery company, we have established long-term and stable cooperative relationships with major machinery and equipment manufacturers and suppliers. The used construction machinery we select have undergone rigorous testing and maintenance to ensure that their quality and performance meet industry standards. Our goal is to provide customers with affordable used construction machinery to help them reduce costs and improve engineering efficiency.
