The NDI320 is the “fuel-saving star” in the 30-ton class. And the power is strong, and the excavation work is solid and powerful. It is currently one of the best-selling models on the market. This type of excavator is often used in common earthwork construction, such as foundation excavation, road and railway subgrade construction.
| MODEL | NDI320 |
| 사양 | |
| weight（kg） | 29600 |
| bucket （m³） | 0.63-1.75 |
| boom length(mm)4602 | 6245 |
| stick lenght(mm) | 2500 |
| Performance | |
| swing speed（rpm） | 10.1 |
| walking speed（Km/h） | 3.0-5.0 |
| bucket digging force（KN） | 188/199.9 |
| stick digging force（KN） | 155.8/164.6 |
| Engine | |
| engine model 1 | DoosanDE08 |
| rated power（Kw/rpm） | 147/1900 |
| engine model 2 | Isuzu6HK1 |
| rated power（Kw/rpm） | 190/1900 |
| cooling method | water cooling |
| Hydraulic system | |
| main pump type | variable axialpis ton pump |
| main pump flow（L/min） | 2*246 |
| main overflow setting pressu | 27.9/34.3 |
| walking hydraulic circuit(Mpa) | 32.5 |
| rotary hydraulic circuit(Mpa) | 27.9 |
| pilot pump flow（L/min） | 28.5 |
| Mainbody size | |
| total length(mm) | 10620 |
| total width(mm) | 3200 |
| total height(mm) | 3365 |
| cabin height(mm) | 3065 |
| upper width(mm) | 2960 |
| Body to ground distance(mm) | 1175 |
| ground crawler length(mm) | 4010 |
| Crawler length(mm) | 4010 |
| crawler palte width(mm) | 600 |
| Crawler width(mm) | 3200 |
| Crawler rail distance(mm) | 2600 |
| Minimum ground distance(mm) | 500 |
| tail radius of gyration(mm) | 3200 |
| Work range | |
| maximum diggign range(mm) | 10155 |
| ground maximum digging range(mm) | 9950 |
| maximum digging depth(mm) | 6275 |
| maximum digging height(mm) | 9985 |
| maximum unloading height(mm) | 6960 |
| maximum digging vertical wall depth(mm) | 5370 |
| maximum digging depth（2.5m）(mm) | 6505 |
1. Strengthening of main frame structure
The section is enlarged, the material is optimized andadjusted, the plate thickness is thickened, and the servicelife is increased;
2. X-shaped support, one-time formingnon splicingThe upper plate, the lower plate and the connecting rodof the chassis are all designed as a whole, effectivelyimproving the cracking problem caused by poor weldingin the field.
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