Hitachi Construction Machinery is a world-leading manufacturer of construction equipment. Hitachi Construction Machinery is headquartered in Tokyo, Japan, and sells its products throughout the world.

Here are some important parameters of the Hitachi ZX70-5G excavator.

       Hitachi ZX70-5G excavator parameter configuration

Machine working weight (kg) 6700
Bucket capacity (m³) 0.33
Tonnage (tons) 7
power Traditional power
Bucket Backhoe
Rotation speed (rpm) 10.7
Rotation torque (kN/m) 12.9
Walking speed (km/h) high5.0/low3.4
Gradeability(%) 70%(35°)
Ground pressure (Kpa) 31
Bucket digging force (kN) 55
Stick digging force (kN) 40
Maximum traction (kN) 47.8
power system
engine model Yanmar 4TNV98-AVHBW
Rated power (kw/rpm) 42.4/2100
Displacement (L) 3.318
Number of cylinders (pcs) 4
Bore×Stroke (mm) 98 mm×110 mm
cooling method Water cooling
Forms of work 4-stroke, water-cooled, direct injection
Hydraulic system
Main pump type 3 variable axial piston pumps + 1 gear pump
Maximum flow of main pump (l/min) 2×63+1×52.5
Traveling hydraulic motor type 2 variable axial piston motors
Swing hydraulic motor type 1 axial piston motor
Working hydraulic circuit (Mpa) 26
Walking hydraulic circuit (Mpa) 31.4
Swing hydraulic circuit (Mpa) 22.6
Pilot oil circuit (MPa) 3.9
Pilot pump flow (L/min) 21
Boom cylinder-number×bore×stroke(mm) 1×115×65
Stick cylinder-number × cylinder diameter × stroke (mm) 1×95×60
Bucket cylinder-number × cylinder diameter × stroke (mm) 1×85×55

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