Product Description
Built in 2018 and currently located in Hangzhou, Zhejiang, this DH420LC-7 represents Doosan's commitment to engineering excellence in the 42-ton excavator class. Powered by a robust Doosan DE12TIS water-cooled engine delivering 210kW at 2000rpm, this machine combines impressive digging force with the fuel efficiency that has made Doosan a trusted name in heavy equipment.
With a maximum digging reach of 11,520mm and depth capability of 7,725mm, this excavator tackles large-scale earthmoving projects with confidence. The dual 315 L/min main pumps and 1.44-2.18m³ bucket capacity ensure productive cycle times across various applications.
Why Doosan holds value in the used market:
- Genuine parts readily available through established global dealer networks
- Strong resale demand due to proven durability and lower operating costs
- Comprehensive service documentation supports predictable maintenance schedules
- Joint venture manufacturing standards ensure consistent build quality
Operating weight of 41,200kg provides stability for heavy lifting operations, while the 3,660mm rear swing radius allows efficient work in confined spaces. This DH420LC-7 offers the r
| Specifications | Value |
|---|---|
| No. | 1021547 |
| 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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