used excavator ZX55

Advantages: 1 Powerful power system: Equipped with a high-performance engine, it provides powerful power output and can quickly and efficiently carry out excavation operations. two Good stability: With stable operating performance and excellent anti swing ability, the excavator can operate stably on narrow construction sites or uneven ground. three Convenient operation: The excavator has a humanized design, simple and convenient operation, and can be adjusted according to the operator's habits. In addition, it is equipped with a comfortable cab and an easy to operate handle, which improves the operator's work efficiency and comfort. four Multifunctionality: Excavators have multiple functions and can use different attachments for excavation, leveling, loading, and other operations, with strong adaptability to work. five Energy saving and environmental protection: The excavator adopts advanced power and hydraulic systems, which have the characteristics of high efficiency and energy saving, reducing fuel consumption and environmental pollution. six High durability: The Hitachi ZX55USR-5A excavator adopts high-strength alloy steel materials and structural design, which has strong durability and can withstand large workloads and harsh working environments. seven Convenient maintenance: The maintenance and upkeep of excavators are relatively simple, making it easy to carry out daily maintenance work and reducing maintenance and downtime. In summary, the Hitachi ZX55USR-5A excavator has the advantages of a powerful power system, good stability, easy operation, multifunctionality, energy conservation and environmental protection, high durability, and convenient maintenance. It can efficiently and safely complete tasks during excavation operations.

Specifications
Power Traditional Power
Manufacturer joint venture/import
Backhoe with bucket
Tonnage (ton) 5
Operating weight of the whole machine (kg) 5160
Bucket capacity (m ³) 0.19
Stick length (mm) 1380

Performance
Rotation speed (rpm) 9
Rotation torque (Nm) 8.6
Walking speed (km/h) High speed: 0~4.0/Low speed: 0~2.3
Climbing ability (%) 58
Ground voltage ratio (Kpa) 29
Bucket excavation force (kN) 36.8
Excavating force of boom (kN) 24
Maximum Traction Force (kN) 38.3

Dynamical 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 (s) 4
Cylinder diameter x stroke (mm) 88x 90
Working form 4-stroke, water-cooled, direct injection type

Hydraulic system
Main pump type: 1 variable axial piston pump
Rotary hydraulic motor type 1 axial piston motor
Walking hydraulic motor type 2 variable axial piston motor
Maximum flow rate of main pump (l/min) 1 x 120
Pilot pump flow rate (L/min) 12
Pilot oil circuit (MPa) 5.9
Working hydraulic oil circuit (Mpa) 24.5
Walking hydraulic circuit (Mpa) 24.5
Rotary hydraulic circuit (Mpa) 18.3
Number of boom cylinders x cylinder diameter x stroke (mm) 1 x 95 x 699
Bucket rod oil cylinder - number x cylinder diameter x stroke (mm) 1 x 80 x 731
Bucket oil cylinder - number x cylinder diameter x stroke (mm) 1 x 75 x 551

Oil capacity
Fuel tank (L) 70
Hydraulic oil tank (L) 42
Hydraulic system (L) 66
Engine oil change quantity (L) 8.6
Coolant (L) 4.7

Main body size
Total transportation length (mm) 5470
Total transportation width (mm) 2000
Total transportation height (mm) 2510
Full height of cab (mm) 2510
Boarding width (mm) 1850
Total length of track (mm) 2490
Track shoe width (mm) 400
Track gauge (mm) 1600
Ground clearance of counterweight (mm) 590
Minimum ground clearance (mm) 320
Minimum turning radius of front-end working device (mm) 2210
Rear turning radius (mm) 1100
Maximum height at minimum turning radius (mm) 4360
Number of sprocket wheels (single-sided) (piece) 1
Number of track shoes (single side) (pieces) 39
Number of supporting wheels (single-sided) (pieces) 4

Scope of work
Maximum excavation radius (mm) 5960
Maximum excavation radius of the parking surface (mm) 5820
Maximum excavation depth (mm) 3550
Maximum excavation height (mm) 5730
Maximum unloading height (mm) 4050
Maximum vertical excavation depth (mm) 2830
Bulldozer board width x height (mm) Height: 375
Bulldozer shovel lifting or pushing depth (mm) 460/365