Product Description
This 2021 Doosan DH420LC-7 excavator represents exceptional value in the used heavy equipment market. Sourced from Zhejiang, China, this machine demonstrates outstanding condition with verified performance metrics that eliminate the need for pre-purchase inspection.
Key features include:
- Factory-installed air conditioning system for operator comfort
- Low-hour undercarriage showing approximately 90% remaining life
- Major components in excellent condition with no oil leaks
- Complete maintenance history and operational verification
The DH420LC-7 delivers reliable performance for medium to heavy-duty excavation, demolition, and earthmoving applications. This unit's well-maintained condition and recent manufacture year make it an ideal choice for contractors seeking dependable equipment without the premium cost of new machinery.
Available for immediate inspection and delivery. Contact FairTradeMachinery for detailed specifications and acquisition terms.
| Specifications | Value |
|---|---|
| No. | 1138750 |
| 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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