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Flexible operability is at the heart of the job. The NDI520(50Ton) excavator utilizes the best Korean hydraulic system. According to the operation requirements, the driver can distribute the oil evenly, so that the power arm, the dryer and the bucket can be operated flexibly, quickly and efficiently. Realize what you really want.
The NDI520(50Ton) is the benchmark for mining operations in China. It is a reliable choice for heavy mines under severe conditions, high reliability and durability, and fuel efficiency is the main competitiveness. The stylish appearance of the atmosphere is more conducive to the rental of reliable low-emission and high-efficiency engines, which guarantees fuel economy while ensuring the performance of the equipment.
| MODEL | NDI520 |
| Specification | |
| weight（kg） | 48000 |
| bucket （m³） | 2.17 |
| boom length(mm) | 7100 |
| stick lenght(mm) | 3350 |
| Performance | |
| swing speed（rpm） | 8.9 |
| walking speed（Km/h） | 3.0-5.0 |
| bucket digging force（KN） | 286.2/303.8 |
| stick digging force（KN） | 212.7/225.4 |
| Engine | |
| engine model 1 | DoosanDE12 |
| rated power（Kw/rpm） | 238/1800 |
| engine model 2 | Isuzu6UZ1 |
| rated power（Kw/rpm） | 257/1800 |
| cooling method | water cooling |
| Hydraulic system | |
| main pump type | variable axial piston pump |
| main pump flow（L/min） | 2*355 |
| main overflow setting pressu | 32.3/34.3 |
| walking hydraulic circuit(Mpa) | 32.5 |
| rotary hydraulic circuit(Mpa) | 29.6 |
| Mainbody size | |
| total length(mm) | 12132 |
| total width(mm) | 3342 |
| total height(mm) | 3700 |
| cabin height(mm) | 3350 |
| Body to ground distance(mm) | 1458 |
| Crawler length(mm) | 5460 |
| crawler palte width(mm) | 600 |
| ground crawler length(mm) | 4052 |
| Crawler width(mm) | 3350 |
| Minimum ground distance(mm) | 772 |
| tail radius of gyration(mm) | 3750 |
| Work range | |
| maximum diggigng distance(mm) | 12110 |
| maximum diggigng distance(mm) | 11865 |
| maximum digging depth(mm) | 7800 |
| maximum digging height(mm) | 11050 |
| maximum unloading height(mm) | 7900 |
| maximum digging vertical wall depth(mm) | 4400 |
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