







Product Description
Engineered for operators who demand precision and power, this 2016 Doosan DH420LC-7 delivers 42-ton performance with exceptional control. Powered by a Doosan DE12TIS engine generating 210 kW at 2000 rpm, this excavator combines robust hydraulic force with refined handling characteristics. The water-cooled system ensures consistent performance during extended operations, while the dual 315 L/min main pumps provide responsive hydraulic flow across all functions.
- Superior visibility from the cab with 3150mm full height positioning
- Bucket digging force up to 264.6 kN for demanding excavation tasks
- Maximum digging reach of 11,520mm with 7,725mm depth capability
- Stable 2,750mm track gauge with 600mm plates for secure footing
- Smooth 9.5 rpm rotation speed enables precise material placement
- Variable arm options (2600/3250/4000mm) adapt to job requirements
- Currently located in Qinhuangdao, Hebei Province
Operating weight of 41,200 kg provides the mass needed for stability during heavy lifting and digging cycles. Bucket capacity ranging from 1.44 to 2.18 m³ offers flexibility across diverse applications. This joint-venture manufactured machine represents proven
| Specifications | Value |
|---|---|
| No. | 1043512 |
| 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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