The Hitachi ZX70-5A excavator has an environmentally friendly engine equipped with EGR and meets the national 3-times emission standard. It delivers excellent operating performance when combined with efficient hydraulic technology.
| Specification | |
|---|---|
| Power | Traditional Power |
| Bucket | Backhoe |
| Tonnage (ton) | 7 |
| Operating weight of the whole machine(kg) | 6700 |
| Bucket capacity(m³) | 0.33-0.38 |
| Length of moving arm(mm) | 3720 |
| Bucket rod length(mm) | 1620 |
| Capacity | |
| Rotation speed(rpm) | 10.7 |
| Rotation torque(Nm) | 12.9 |
| Traveling speed(km/h) | 3.4-5.0 |
| Climbing capacity (%) | 70 |
| Grounding specific pressure(Kpa) | 31 |
| Bucket digging force(kN) | 55 |
| Bucket rod digging force(kN) | 38 |
| Maximum traction force (kN) | 47.8 |
| Power System | |
| Engine Model | 4TNV98 |
| Maximum traction force (kN) | 42.4/2100 |
| Max. torque(N.m) | 236/1350 |
| Displacement(L) | 3.318 |
| Number of cylinders(pcs) | 4 |
| Cylinder diameter×stroke(mm) | 98×110 |
| Cooling method | Water cooling |
| Work form | Stroke – Water-cooled – Direct injection |
| Hydraulic system | |
| Main pump type | 3 variable axial piston pumps |
| Traveling hydraulic motor type | 2 variable axial piston motors |
| Pilot pump type | 1 gear pump |
| Slewing hydraulic motor type | 1 axial piston motor |
| Maximum flow rate of main pump(l/min) | 2×63 / 1×52.5 |
| Pilot pump flow rate (L/min) | 21 |
| Pilot oil circuit (MPa) | 3.9 |
| Working hydraulic oil circuit(Mpa) | 26 |
| Traveling hydraulic circuit (Mpa) | 31.4 |
| Slewing hydraulic circuit (Mpa ) | 22.6 |
| Movable arm cylinder – number × bore × stroke (mm) | 1*115*65 |
| Bucket rod cylinder-Number of cylinders×diameter×stroke(mm) | 1*95*60 |
| Bucket cylinder – number × bore × stroke (mm) | 1*85*55 |
| Oil Capacity | |
| Fuel tank (L) | 135 |
| Hydraulic oil tank(L) | 60 |
| Hydraulic system(L) | 100 |
| Engine oil change volume (L) | 12.3 |
Hitachi ZX70-5A Excavator Related Parts:
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