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"Recommendation of Premium Second-hand Excavators We are now recruiting agents for our first-hand supply. The 15-year-old Doosan 120 excavator is available for only 90,000 yuan! Since its factory release in 2015, this equipment has maintained a good operating condition, with a total working time of approximately 6,000 hours, which is far lower than the average service life of similar machines, indicating that it still has a long service life ahead of excavation. Doosan, as one of the world's renowned manufacturers of construction machinery, is famous for its products being highly efficient and having a low failure rate. In terms of the power system, this machine is equipped with an efficient and energy-saving engine, which can maintain stable output even under long-term high-intensity operation. At the same time, it has excellent fuel economy, significantly reducing operating costs. The hydraulic system adopts advanced control technology, ensuring the accuracy and sensitivity of operation. Whether it is digging or loading, it can be handled with ease, allowing the driver to experience an unprecedentedly smooth control feeling. It is particularly worth mentioning that the "big top" configuration makes the spatial layout of this excava
| Specifications | Value |
|---|---|
| No. | 971487 |
| Tonnage (tons) | 12 |
| Working weight (kg) | 12200 |
| Bucket capacity (m³) | 0.51 |
| Boom length (mm) | 4300 |
| Rod length (mm) | 2260 |
| Country of origin | Yantai |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | D34D |
| Rated power (kw/rpm) | 71 / 1850 |
| Cylinder diameter × stroke (mm) | 98 x 113 |
| Number of cylinders (PCS) | 4 |
| Ground specific pressure (Kpa) | 43 |
| Rotation speed (rpm) | 11.5 |
| Climbing ability (%) | 35 ° |
| Bucket digging force (kN) | 99 / 105 |
| Rod digging force (kN) | 63.2 / 67 |
| Maximum tractive force (kN) | 11.9 |
| Travel speed (km/h) | 4.5 / 2.8 |
| Turning torque (Nm) | 40 |
| Type of walking hydraulic motor | Axial piston hydraulic motor |
| Fuel Tank (L) | 260 |
| Hydraulic Tank (L) | 152 |
| Total transport length (mm) | 7315 |
| Total transport width (mm) | 2540 |
| Total transport height (mm) | 2775 |
| Full cab height (mm) | 835 |
| Counterweight ground clearance (mm) | 895 |
| Minimum ground clearance (mm) | 410 |
| Minimum turning radius of front working device (mm) | 2445 |
| Back end turning radius (mm) | 2130 |
| Total track length (mm) | 3315 |
| Track plate width (mm) | 500 |
| Total track width (mm) | 2490 |
| Maximum digging radius (mm) | 7620 |
| Maximum digging depth (mm) | 5150 |
| Maximum excavation height (mm) | 7955 |
| Maximum unloading height (mm) | 5640 |
| Maximum vertical digging depth (mm) | 3605 |
| Maximum excavation radius of stop surface (mm) | 7465 |
| Maximum effective digging depth (mm) | 3605 |
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