Product Description
There is currently a high-quality second-hand Komatsu PC450-7 excavator priced at 110,000 yuan. This device has a moderate working time, with a cumulative usage time of approximately 8,000 hours. Its overall condition is good, and its performance is stable and reliable. In terms of the power system, this Komatsu PC450-7 is equipped with an original imported Komatsu SAA6D125E-5 engine, which is powerful and has a maximum output power of up to 270 kilowatts (362 horsepower), capable of meeting the operational requirements under various complex working conditions. Its advanced fuel injection technology not only enhances fuel efficiency but also significantly reduces emissions, meeting environmental protection requirements. The hydraulic system configuration is equally excellent, equipped with an efficient and energy-saving dual-pump dual-loop quantitative system, including two high-flow main pumps and multiple precision control valve groups, ensuring the flexibility and stability of the entire machine during operations such as excavation and loading. In addition, high-performance hydraulic motors are adopted to drive the walking mechanism, endowing the machine with excellent climbing ability and adaptability. As a classic model highly
| Specifications | Value |
|---|---|
| No. | 977307 |
| Tonnage (tons) | 45 |
| Working weight (kg) | 43000-43420 |
| Bucket capacity (m³) | 2.1 |
| Boom length (mm) | 7060 |
| Rod length (mm) | 3380 |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Komatsu SAA6D125E-3 |
| Rated power (kw/rpm) | 259/1850 |
| Cooling mode | water-cooling |
| Cylinder diameter × stroke (mm) | 125 x 150 |
| Number of cylinders (PCS) | 6 |
| Displacement (L) | 11.04 |
| Working form | 6-cylinder, water-cooled, direct injection, turbocharged, electronic speed regulation; Cylinder diameter × stroke: |
| Ground specific pressure (Kpa) | 84.1 |
| Rotation speed (rpm) | 9 |
| Climbing ability (%) | 70/35 ° |
| Bucket digging force (kN) | 278 |
| Rod digging force (kN) | 233 |
| Travel speed (km/h) | 3.0/4.4/5.5 |
| Rotary hydraulic motor type | Axial plunger type ×1 |
| Type of walking hydraulic motor | Axial plunger type x 2 |
| Maximum flow of main pump (l/min) | 690 |
| Traveling Hydraulic Circuit (Mpa) | 37.3 |
| Rotary Hydraulic Circuit (Mpa) | 27.9 |
| Control Hydraulic Circuit (Mpa) | 3.2 Pilot oil circuit |
| Hydraulic crushing pipeline is standard | no |
| Bucket cylinders - Number × diameter × stroke (mm) | 160 * 1270 * 110 |
| Bucket rod cylinders - Number × diameter × stroke (mm) | 185 * 1985 * 130 |
| Boom cylinders - Number × diameter × stroke (mm) | 160 * 1570 * 110 |
| Fuel Tank (L) | 650 |
| Hydraulic Tank (L) | 248 |
| Engine Oil changes (L) | 37 |
| Coolant (L) | 36 |
| Total transport length (mm) | 12040 |
| Total transport width (mm) | 3340 |
| Total transport height (mm) | 3660 |
| Full cab height (mm) | 3265 |
| Counterweight ground clearance (mm) | 1320 |
| Minimum ground clearance (mm) | 555 |
| Back end turning radius (mm) | 3605 |
| Total track length (mm) | 5055 |
| Track gauge (mm) | 2890(2392 when contracted) |
| Track plate width (mm) | 600/700 |
| Total track width (mm) | 3490(2992 when contracted) |
| Track ground length (mm) | 4020 |
| Maximum digging radius (mm) | 12005 |
| Maximum digging depth (mm) | 7790 |
| Maximum excavation height (mm) | 10925 |
| Maximum unloading height (mm) | 7625 |
| Maximum vertical digging depth (mm) | 6600 |
| Bulldozer lift or depth (mm) | No dodging plate |
| Maximum excavation radius of stop surface (mm) | 11800 |
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