








Product Description
This 2018 Doosan DH420LC-7 excavator represents a well-maintained mid-life machine ready for demanding jobsite operations. With operational hours in the moderate range, this unit has been actively employed in construction and earthmoving applications, demonstrating proven field performance and reliability.
Key features of the DH420LC-7 include:
- Operating weight class of approximately 42 metric tons
- Powerful Doosan diesel engine delivering robust hydraulic performance
- Long crawler undercarriage configuration for enhanced stability
- Spacious operator cab with ergonomic controls
- Heavy-duty boom and arm assembly suited for general excavation work
Currently located in Shandong Province, China, this machine is available for inspection. The unit has been maintained as a working excavator and shows normal operational wear consistent with commercial use. Suitable for contractors requiring dependable performance in excavation, loading, and material handling operations.
| Specifications | Value |
|---|---|
| No. | 1163860 |
| Tonnage (tons) | 42 |
| Working weight (kg) | 41200 |
| Bucket capacity (m³) | 1.44-2.18 |
| Boom length (mm) | 6700 |
| Rod length (mm) | 2600/3250/4000 |
| Country of origin | Yantai, Shandong Province |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Doosan DE12TIS |
| Rated power (kw/rpm) | 210/2000 |
| Cooling mode | water-cooling |
| Rotation speed (rpm) | 9.5 |
| Bucket digging force (kN) | 242.1/264.6 |
| Rod digging force (kN) | 218.5/139.1; 176.4/193.1; 152.9/166.6 |
| Travel speed (km/h) | 3.3-5.5 |
| Maximum flow of main pump (l/min) | 2 x 315 |
| Traveling Hydraulic Circuit (Mpa) | 26.5 |
| Rotary Hydraulic Circuit (Mpa) | 26.5 |
| Main pump type | Parallel inclined axial piston pump |
| Working Hydraulic Circuit (Mpa) | Standard 31.4/ Supercharged 34.3 |
| Pilot pump flow (L/min) | 24 |
| Total transport length (mm) | 11690 |
| Total transport width (mm) | 3350 |
| Total transport height (mm) | 3575 |
| Full cab height (mm) | 3150 |
| Counterweight ground clearance (mm) | 1277 |
| Minimum ground clearance (mm) | 540 |
| Back end turning radius (mm) | 3660 |
| Onboard width (mm) | 2990 |
| Total track length (mm) | 5215 |
| Track gauge (mm) | 2750 |
| Track plate width (mm) | 600 |
| Total track width (mm) | 3350 |
| Track ground length (mm) | 4250 |
| Maximum digging radius (mm) | 11520 |
| Maximum digging depth (mm) | 7725 |
| Maximum excavation height (mm) | 11000 |
| Maximum unloading height (mm) | 7845 |
| Maximum vertical digging depth (mm) | 4400 |
| Maximum excavation radius of stop surface (mm) | 11310 |
| Maximum effective digging depth (mm) | 7570 |
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