










| Specifications | Value |
|---|---|
| No. | 963422 |
| Tonnage (tons) | 21 |
| Working weight (kg) | 20630 |
| Bucket capacity (m³) | 0.9 |
| Boom length (mm) | 5700 |
| Rod length (mm) | 2925 |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Komatsu SAA4D107E-1 |
| Rated power (kw/rpm) | 110/2000 |
| Cooling mode | water-cooling |
| Displacement (L) | 6.69 |
| Working form | 6-cylinder, direct injection, turbocharged, post-cooled engine; Meet 2006EPA/Tier3 and EUIIIA standards. |
| Ground specific pressure (Kpa) | 34.3 |
| Rotation speed (rpm) | 12.4 |
| Climbing ability (%) | 70/35 ° |
| Bucket digging force (kN) | 149 |
| Rod digging force (kN) | 108 |
| Travel speed (km/h) | 3.0/4.1/5.5 |
| Rotary hydraulic motor type | Axial piston motor ×1(rotary holding valve) |
| Type of walking hydraulic motor | Axial piston motor ×2(with parking brake) |
| Maximum flow of main pump (l/min) | 439 |
| Traveling Hydraulic Circuit (Mpa) | 37.3 |
| Rotary Hydraulic Circuit (Mpa) | 28.9 |
| Control Hydraulic Circuit (Mpa) | 3.2 Pilot oil circuit |
| Hydraulic crushing pipeline is standard | no |
| Bucket cylinders - Number × diameter × stroke (mm) | 115 * 1120 * 80 |
| Bucket rod cylinders - Number × diameter × stroke (mm) | 135 * 1490 * 95 |
| Boom cylinders - Number × diameter × stroke (mm) | 120 * 1334 * 85 |
| Fuel Tank (L) | 400 |
| Hydraulic Tank (L) | 135 |
| Engine Oil changes (L) | 23.1 |
| Coolant (L) | 20.4 |
| Total transport length (mm) | 9425 |
| Total transport width (mm) | 3000 |
| Total transport height (mm) | 3040 |
| Full cab height (mm) | 3040 |
| Counterweight ground clearance (mm) | 1085 |
| Minimum ground clearance (mm) | 440 |
| Back end turning radius (mm) | 2710 |
| Total track length (mm) | 4070 |
| Track gauge (mm) | 2200 |
| Track plate width (mm) | 800 |
| Total track width (mm) | 3000 |
| Track ground length (mm) | 3275 |
| Maximum digging radius (mm) | 9875 |
| Maximum digging depth (mm) | 6620 |
| Maximum excavation height (mm) | 10000 |
| Maximum unloading height (mm) | 7110 |
| Maximum vertical digging depth (mm) | 5980 |
| Bulldozer lift or depth (mm) | No bulldozer |
| Maximum excavation radius of stop surface (mm) | 9700 |
| Maximum effective digging depth (mm) | 6370 |
Description
【 Premium Recommendation 】 Komatsu 210 second-hand excavator, for personal use, with outstanding performance, is your ideal choice for construction sites. Since its purchase, this excavator has mainly been used in earthwork projects, with a total working time of approximately 3,500 hours. It is in the golden service life of the machinery, ensuring sufficient durability while maintaining a good operating condition. In terms of the power system, this device is equipped with an original imported Komatsu engine, which is powerful, stable and reliable. It can handle both hard soil and complex terrain with ease. Even in the case of long-term continuous operation, it can maintain a stable output power to ensure that the construction efficiency is not affected. The hydraulic system is a major highlight of this excavator. It adopts advanced closed center load sensing hydraulic technology, which makes the operation more precise and smooth, and the response speed extremely fast. It is particularly worth mentioning its outstanding digging power and fine control ability, which stand out especially during fine digging or rapid loading and unloading of materials, effectively improving work efficiency and reducing fuel consumption. The chassis part
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