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This beautiful modern 305-7 Black Diamond excavator stands out among similar products with its outstanding performance and durability. The cumulative working time of this equipment is only 2,500 hours, ensuring its good mechanical condition and long service life. In terms of power, this machine is equipped with an efficient engine (the model is not provided, but based on common market configurations, it is speculated to be a high-performance version of Cummins or Mitsubishi brands), with an estimated power of around 24.5 kilowatts, capable of providing abundant power support for various operational requirements. The combination of low-noise design and excellent fuel economy not only enhances operational comfort but also reduces long-term operating costs. The hydraulic system adopts an advanced technical solution, including high-quality variable piston pumps and reliable hydraulic motors and other key components, ensuring smooth and precise operation while also having a good response speed. In addition, by optimizing the internal structure, energy loss has been reduced, significantly enhancing the overall working efficiency of the machine. Main advantages and features: The vehicle body frame is made of high-strength steel, which is s
| Specifications | Value |
|---|---|
| No. | 975852 |
| Tonnage (tons) | 30 |
| Working weight (kg) | 29400 |
| Bucket capacity (m³) | 1.38 |
| Boom length (mm) | 6250 |
| Rod length (mm) | 3050 |
| Country of origin | Jiangsu (Province) |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | Cummins C8.3-C |
| Rated power (kw/rpm) | 190/1900 |
| Cooling mode | water-cooling |
| Cylinder diameter × stroke (mm) | 114 x 135 |
| Number of cylinders (PCS) | 6 |
| Displacement (L) | 8.27 |
| Ground specific pressure (Kpa) | 56 |
| Rotation speed (rpm) | 11 |
| Climbing ability (%) | 70/35 ° |
| Bucket digging force (kN) | 192.2 |
| Rod digging force (kN) | 128.5 |
| Travel speed (km/h) | 3.1-5.2 |
| Maximum flow of main pump (l/min) | 2 x 260 |
| Traveling Hydraulic Circuit (Mpa) | 330 |
| Rotary Hydraulic Circuit (Mpa) | 265 |
| Hydraulic crushing pipeline is standard | no |
| Main pump type | 2× variable axial piston pump + gear pump |
| Working Hydraulic Circuit (Mpa) | 330 |
| Pilot Oil Circuit (MPa) | 35 |
| Bucket cylinders - Number × diameter × stroke (mm) | 140 * 95 * 1185 |
| Bucket rod cylinders - Number × diameter × stroke (mm) | 150 * 110 * 1765 |
| Boom cylinders - Number × diameter × stroke (mm) | 140 * 100 * 1465 |
| Fuel Tank (L) | 480 |
| Hydraulic Tank (L) | 210 |
| Engine Oil changes (L) | 19 |
| Coolant (L) | 50 |
| Hydraulic System (L) | 320 |
| Total transport length (mm) | 10560 |
| Total transport width (mm) | 3200 |
| Total transport height (mm) | 3290 |
| Full cab height (mm) | 3010 |
| Counterweight ground clearance (mm) | 1190 |
| Minimum ground clearance (mm) | 500 |
| Back end turning radius (mm) | 3200 |
| Total track length (mm) | 4940 |
| Track gauge (mm) | 2600 |
| Track plate width (mm) | 600 |
| Total track width (mm) | 3200 |
| Track ground length (mm) | 4030 |
| Maximum digging radius (mm) | 10820 |
| Maximum digging depth (mm) | 7500 |
| Maximum excavation height (mm) | 10160 |
| Maximum unloading height (mm) | 7110 |
| Maximum vertical digging depth (mm) | 6410 |
| Bulldozer lift or depth (mm) | There is no |
| Dodging plate width × height (mm) | There is no |
| Maximum excavation radius of stop surface (mm) | 10620 |
| Maximum effective digging depth (mm) | 7300 |
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