| Specifications | Value |
|---|---|
| No. | 966754 |
| 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 |
Description
"Komatsu PC450-7 Second-hand excavator This second-hand Komatsu PC450-7 excavator is priced at just over 100,000 yuan, offering an extremely high cost performance. It not only boasts outstanding performance and reliable quality, but also features an extremely long service life, making it an ideal choice for various earthwork projects, mining operations and more. This machine has a working duration of approximately 6,000 hours. The overall condition of the vehicle is good, with no obvious damage to its appearance and well-maintained internal structure. Its power system adopts the original imported SAA6D125E-5 engine from Komatsu, with a rated power of 270kW at 1900rpm, featuring strong power output and smooth operation performance. In addition, this engine is equipped with advanced fuel injection technology and an exhaust gas recirculation system, effectively reducing fuel consumption and emissions, making it more environmentally friendly and energy-efficient. In terms of the hydraulic system, Komatsu PC450-7 adopts an efficient CLSS closed center load sensing system, which can automatically adjust the oil supply according to the actual load, ensuring the coordination and consistency as well as the response speed among various action
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