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There is currently a second-hand Hitachi ZX70 excavator of 2013 model, with a cumulative working time of only over 50,000 hours. It has stable performance and is in excellent condition. This excavator is equipped with a 4-cylinder water-cooled direct injection diesel engine imported from Hitachi, model ISUZU 4LE2-TCX, with a rated power of 40.5 kilowatts (approximately 54.6 horsepower), which is powerful and has excellent fuel economy. In terms of the hydraulic system, it is equipped with an efficient and reliable dual-pump and dual-loop negative flow control hydraulic system. Both the main pump and the auxiliary pump are of Kawasaki brand from Japan, ensuring the high-efficiency operation of the equipment under various working conditions. In addition, its hydraulic motor adopts a closed design, featuring excellent durability and response speed. The main advantages of this machine include: First, it is easy and comfortable to operate, with a spacious and bright interior and a wide field of vision. Second, maintenance and upkeep are convenient and fast, and key components are easy to disassemble and inspect. Thirdly, it has strong adaptability and can handle both earthwork excavation and hammer breaker operations with ease. Overall, th
| Specifications | Value |
|---|---|
| No. | 977094 |
| Tonnage (tons) | 7 |
| Working weight (kg) | 6510 |
| Bucket capacity (m³) | 0.3 |
| Boom length (mm) | 3.72 |
| Rod length (mm) | 1.62(reinforced type) |
| Country of origin | Hefei, Anhui Province |
| power | Traditional power |
| manufacturer | Joint venture/Import |
| bucket | backhoe |
| Engine type | ISUZU CC-4JG1 |
| Rated power (kw/rpm) | 40.5/2000 |
| Cooling mode | water-cooling |
| Number of cylinders (PCS) | 4 |
| Displacement (L) | 3.318 |
| Working form | Direct injection |
| Ground specific pressure (Kpa) | 30 |
| Rotation speed (rpm) | 11.3 |
| Climbing ability (%) | 70/35 ° |
| Bucket digging force (kN) | 55 |
| Rod digging force (kN) | 38 |
| Travel speed (km/h) | 3.4/5.0 |
| Main overflow set pressure (Mpa) | 31.4 |
| Rotary hydraulic motor type | Variable piston pump ×1 |
| Type of walking hydraulic motor | Variable piston pump ×2 |
| Main pump type | Variable piston pump ×3+ gear pump ×1 |
| Fuel Tank (L) | 135 |
| Hydraulic Tank (L) | 60(over 100) |
| Engine Oil changes (L) | 12 |
| Total transport length (mm) | 6080 |
| Total transport width (mm) | 2260 |
| Total transport height (mm) | 2600 |
| Full cab height (mm) | 2600 |
| Counterweight ground clearance (mm) | 760 |
| Minimum ground clearance (mm) | 360 |
| Back end turning radius (mm) | 1750 |
| Total track length (mm) | 2765 |
| Track gauge (mm) | 1750 |
| Track plate width (mm) | 450 |
| Total track width (mm) | 2200 |
| Track ground length (mm) | 2140 |
| Maximum digging radius (mm) | 6320 |
| Maximum digging depth (mm) | 4170 |
| Maximum excavation height (mm) | 7150 |
| Maximum unloading height (mm) | 5060 |
| Maximum vertical digging depth (mm) | 3730 |
| Bulldozer lift or depth (mm) | No bulldozer |
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