Hitachi ZX55USR-5A excavator parameter configuration

Specifications

Power Traditional power

Manufacturer joint venture/import

Bucket backhoe

Tonnage (tons) 5

Machine working weight (kg) 5160

Bucket capacity (m³) 0.19

Arm length (mm) 1380

Performance

Slewing speed (rpm) 9

Slewing torque (Nm) 8.6

Travel speed (km/h) High speed: 0 ~ 4.0 / Low speed: 0 ~ 2.3

Gradability (%) 58

Ground pressure (Kpa) 29

Bucket digging force (kN) 36.8

Arm digging force (kN) 24

Maximum traction force (kN) 38.3

Power system

Engine model Yanmar EDM-4TNV88

Rated power (kw/rpm) 28.1/2400

Maximum torque (N.m) 139.6/1100

Displacement (L) 2.189

Number of cylinders (pcs) 4

Cylinder diameter × stroke (mm) 88x 90

Working mode 4 stroke, water-cooled, direct injection

Hydraulic system

Main pump type 1 variable axial piston pump

Swing hydraulic motor type 1 axial piston motor

Travel hydraulic motor type 2 variable axial piston motors

Main pump maximum flow (l/min) 1 x 120

Pilot pump flow (L/min) 12

Pilot oil circuit (MPa) 5.9

Working hydraulic oil circuit (Mpa) 24.5

Travel hydraulic circuit (Mpa) 24.5

Swing hydraulic circuit (Mpa) )18.3

Boom cylinder - number × cylinder diameter × stroke (mm) 1×95×699

Arm cylinder - number × cylinder diameter × stroke (mm) 1×80×731

Bucket cylinder - number × cylinder diameter × stroke (mm) 1×75×551

Oil capacity

Fuel tank (L) 70

Hydraulic oil tank (L) 42

Hydraulic system (L) 66

Engine oil change volume (L) 8.6

Coolant (L) 4.7

Main dimensions

Total transport length (mm) 5470

Total transport width (mm) 2000

Total transport height (mm) 2510

Total cab height (mm) 2510

Onboard width (mm) 1850

Total track length (mm) 2490

Track shoe width (mm) 400

Track gauge (mm) 1600

Counterweight ground clearance (mm) 590

Minimum ground clearance (mm )320

Minimum turning radius of front working device (mm)2210

Rear end turning radius (mm)1100

Maximum height at minimum turning radius (mm)4360

Number of chain rollers (single side) (pcs)1

Number of track shoes (single side) (pcs)39

Number of supporting rollers (single side) (pcs)4

Operating range

Maximum digging radius (mm)5960

Maximum digging radius of parking surface (mm)5820

Maximum digging depth (mm)3550

Maximum digging height (mm)5730

Maximum unloading height (mm)4050

Maximum vertical digging depth (mm)2830

Bulldozer blade width × height (mm) height: 375

Bulldozer blade lifting or pushing depth (mm)460/365