Product Description
| Specifications | Value |
|---|---|
| No. | 638814 |
| 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
13 years Komatsu 210-8MO chassis is good, the large plate is not loose without exhaust gas, no drop arm speed, hydraulic package work 12.8 can be discussed
