Hitachi ZX70-5G excavator parameter configuration

Specifications

Machine working weight (kg) 6700

Bucket capacity (m³) 0.33

Place of origin Hefei, China

Tonnage (tons) 7

Manufacturer joint venture/import

Power Traditional power

Bucket backhoe

Manufacturer joint venture/import

Power Traditional power

Performance

Slewing speed (rpm) 10.7

Slewing torque (Nm) 12.9

Travel speed (km/h) High 5.0/Low 3.4

Gradability (%) 70% (35°)

Ground pressure (Kpa) 31

Bucket digging force (kN) 55

Arm digging force (kN) 40

Maximum traction force (kN) 47.8

Power system

Engine model Yanmar 4TNV98-AVHBW

Rated power (kw/rpm) 42.4/2100

Displacement (L) 3.318

Number of cylinders (pieces) 4

Cylinder diameter × stroke (mm) 98 mm × 110 mm

Cooling method Water cooling

Working mode 4 stroke, water cooling, direct injection

Hydraulic system

Main pump type 3 variable axial piston pumps + 1 gear pump

Main pump maximum flow (l/min) 2×63+1×52.5

Travel hydraulic motor type 2 variable axial piston motors

Swing hydraulic motor type 1 axial piston motor

Working hydraulic oil circuit (Mpa) 26

Travel 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 × cylinder diameter × stroke (mm)1×115×65

Arm cylinder - number × cylinder diameter × stroke (mm)1×95×60

Bucket cylinder - number × cylinder diameter × stroke (mm)1×85×55

Oil capacity

Fuel tank (L)135

Hydraulic oil tank (L)60

Hydraulic system (L)100

Engine oil replacement amount (L)12.3

Coolant (L )8

Main dimensions

Total length for transport (mm) 6,080

Total width for transport (mm) 2,260

Total height for transport (mm) 2,600

Total height of cab (mm) 2,600

Width of vehicle (mm) 2,260

Ground clearance of counterweight (mm) 760

Total length of crawler track (mm) 2,765

Width of crawler shoe (mm) 450

Total width of crawler track (mm) 2,200

Track gauge (mm) 1,750

Minimum ground clearance (mm) 360

Minimum turning radius of front working device (mm) 1,720

Rear end turning radius (mm )1,750

Operating range

Maximum digging radius (mm)6320

Maximum digging radius of parking surface (mm)6,170

Maximum digging depth (mm)4,170

Maximum digging height (mm)7150

Maximum unloading height (mm)5060

Maximum vertical digging depth (mm)3,730

Maximum effective digging depth (mm)3,800

Bulldozer blade width × height (mm)2,320 × 435

Bulldozer blade lifting or pushing depth (mm)400 × 280