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【 Premium Recommendation 】 Doosan 220-9E second-hand excavator. This equipment can be called a "top-notch item" and is a rare high-quality second-hand excavator in the market. The working time of this device is only 1,500 hours, which is far lower than the average usage time of similar models and is almost in a quasi-new state. Its power system adopts the well-tested Yanmar engine, which is stable and reliable in performance. Whether working in plain or mountainous areas, it can provide strong and smooth power output, with low fuel consumption and low noise, ensuring high working efficiency and comfortable driving experience. In terms of the hydraulic system, Doosan 220-9E is equipped with an advanced negative flow control system, which is flexible and precise in operation, responds quickly, and can easily meet the excavation requirements under various complex working conditions. In addition, this model particularly emphasizes the design of convenient maintenance and upkeep. Simple maintenance tasks such as daily inspections and filter element replacements can be completed by the operators themselves, significantly reducing the cost of later use. Most importantly, this excavator adopts a brand-new chassis, which not only enhances the
| Specifications | Value |
|---|---|
| No. | 971077 |
| Tonnage (tons) | 22 |
| Working weight (kg) | 22000 |
| Bucket capacity (m³) | 0.93 |
| Boom length (mm) | 5700 |
| Rod length (mm) | 2900 |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Doosan DB58TIS |
| Rated power (kw/rpm) | 110/1950 |
| Cylinder diameter × stroke (mm) | 111 x 139 |
| Number of cylinders (PCS) | 6 |
| Displacement (L) | 8.07 |
| Ground specific pressure (Kpa) | 46 |
| Rotation speed (rpm) | 12.1 |
| Bucket digging force (kN) | 136.2/144.1 |
| Rod digging force (kN) | 100/104.9 |
| Travel speed (km/h) | 3.1-5.4 |
| Traveling Hydraulic Circuit (Mpa) | 32.4 |
| Rotary Hydraulic Circuit (Mpa) | 27.5 |
| Working Hydraulic Circuit (Mpa) | 32.4 |
| Pilot pump flow (L/min) | 2 x 212 |
| Fuel Tank (L) | 310 |
| Engine Oil changes (L) | 32 |
| Coolant (L) | 42 |
| Hydraulic System (L) | 135 |
| Total transport length (mm) | 9645 |
| Total transport width (mm) | 2990 |
| Total transport height (mm) | 3025 |
| Full cab height (mm) | 3025 |
| Counterweight ground clearance (mm) | 1105 |
| Minimum ground clearance (mm) | 480 |
| Minimum turning radius of front working device (mm) | 3685 |
| Back end turning radius (mm) | 2840 |
| Track plate width (mm) | 600 |
| Total track width (mm) | 4440 |
| Maximum digging radius (mm) | 9965 |
| Maximum digging depth (mm) | 6655 |
| Maximum excavation height (mm) | 9660 |
| Maximum unloading height (mm) | 6800 |
| Maximum vertical digging depth (mm) | 5980 |
| Maximum excavation radius of stop surface (mm) | 9780 |
| Maximum effective digging depth (mm) | 5885 |
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