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2020 Doosan DH300LC-7 hydraulic excavator available in Anhui, China. This 30-ton class machine comes from a single owner with verified service history and no hydraulic breaker attachment use, reducing wear on the boom and hydraulic system. The -7 series features Doosan's fuel-efficient D34 engine, reinforced undercarriage, and enhanced cab pressurization for extended operation in demanding site conditions.
- Original owner machine with complete maintenance records
- No breaker hammer usage—minimal hydraulic system stress
- Standard boom and arm configuration with quick coupler ready
- Operational in Anhui province with export documentation support available
Suitable for earthmoving contractors, quarry operators, and infrastructure projects requiring reliable performance in the 28–32 metric ton weight class. Inspection and third-party verification can be arranged on-site.
| Specifications | Value |
|---|---|
| No. | 1137829 |
| Tonnage (tons) | 30 |
| Working weight (kg) | 29600 |
| Bucket capacity (m³) | 1.27 |
| Boom length (mm) | 6245/10000 |
| Rod length (mm) | 2500/3750/3100/7000 |
| Country of origin | Yantai, China |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | DE08TIS |
| Rated power (kw/rpm) | 147(200) / 1900 |
| Cylinder diameter × stroke (mm) | 111 x 139 |
| Number of cylinders (PCS) | 6 |
| Displacement (L) | 8.07 |
| Working form | 4-stroke, water-cooled, direct spray |
| Ground specific pressure (Kpa) | 56 |
| Rotation speed (rpm) | 10.1 |
| Bucket digging force (kN) | 188 / 199.9 |
| Rod digging force (kN) | 127.5 / 135.3 |
| Travel speed (km/h) | 5.0 / 3.1 |
| Turning torque (Nm) | 92 |
| Main overflow set pressure (Mpa) | Standard 27.9/ Supercharged 34.3 |
| Maximum flow of main pump (l/min) | 2 x 246 |
| Traveling Hydraulic Circuit (Mpa) | 32.5 |
| Rotary Hydraulic Circuit (Mpa) | 27.9 |
| Main pump type | Variable axial plunger pump |
| Pilot pump flow (L/min) | 28.5 |
| Fuel Tank (L) | 450 |
| Hydraulic Tank (L) | 290 |
| Total transport length (mm) | 10620 |
| Total transport width (mm) | 3200 |
| Total transport height (mm) | 3365(to top of the upper arm) |
| Full cab height (mm) | 3255 |
| Counterweight ground clearance (mm) | 1175 |
| Minimum ground clearance (mm) | 500 |
| Back end turning radius (mm) | 3200 |
| Onboard width (mm) | 2960 |
| Total track length (mm) | 4930 |
| Track gauge (mm) | 2600 |
| Track plate width (mm) | 600 |
| Total track width (mm) | 3200 |
| Track ground length (mm) | 4010 |
| Maximum digging radius (mm) | 10705 |
| Maximum digging depth (mm) | 7190 |
| Maximum excavation height (mm) | 10495 |
| Maximum unloading height (mm) | 7470 |
| Maximum vertical digging depth (mm) | 6220 |
| Maximum excavation radius of stop surface (mm) | 9950/11105/10540/17320 |
| Maximum effective digging depth (mm) | 6505/7810/7150/13680 |
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