Hitachi Medium Excavator ZX225LC-7

Engine

Model - Isuzu 4HK1
Type - 4-cycle water-cooled, common rail direct injection
Aspiration - Variable geometry turbocharged, intercooled, cooled EGR
Aftertreatment - DOC+CSF+SCR system
No. of cylinders - 4
Rated power
ISO 14396 : 2002 - 128.4 kW at 2 000 min-1
ISO 9249 : 2007 - 122 kW at 2 000 min-1
Maximum torque - 670 Nm at 1 600 min-1
Piston displacement - 5.193 L
Bore and stroke - 115 mm x 125 mm
Batteries - 2 x 12 V / 126 Ah

Hydraulic System

Main pumps - 3 variable displacement axial piston pumps
Maximum oil flow - 1 x 184 L/min, 2 x 212 L/min
Pilot pump - 1 gear pump
Maximum oil flow - 33.7 L/min
Hydraulic Motors
Travel - 2 variable displacement axial piston motors
Swing - 1 axial piston motor
Relief Valve Settings
Implement circuit - 34.3 MPa
Swing circuit - 32.4 MPa
Travel circuit - 34.3 MPa
Pilot circuit - 3.9 MPa
Power boost - 38.0 MPa

Upperstructure

Revolving Frame
D-section frame for resistance to deformation.
Swing Device
Axial piston motor with planetary reduction gear is bathed in oil. Swing circle is single-row. Swing parking brake is spring-set/hydraulic-released disc type.
Swing speed - 11.4 min-1
Swing torque - 68 kNm

Undercarriage

Tracks
Tractor-type undercarriage. Welded track frame using selected materials. Side frame welded to track frame. Lubricated track rollers, idlers, and sprockets with floating seals.
Track shoes with triple grousers made of induction-hardened rolled alloy. Heat-treated connecting pins with dirt seals. Hydraulic (grease) track adjusters with shock-absorbing recoil springs.
Number of Rollers and Shoes on Each Side
Upper rollers - 2
Lower rollers - 8
Track shoes - 49
Track guards - 3
Travel Device
Each track driven by 2-speed axial piston motor. Parking brake is spring-set/hydraulic-released disc type. Automatic transmission system: High-Low.
Travel speeds - High : 0 to 5.5 km/h, Low : 0 to 3.5 km/h
Maximum traction force - 203 kN
Gradeability - 70% (35 degree) continuous

Environment

Engine Emissions
EU Stage V
Sounds Level
Sound level in cab according to ISO 6396 : 2008 - LpA 66 dB(A)
External sound level according to ISO 6395 : 2008 and EU Directive 2000/14/EC - LwA 101 dB(A)
Air Conditioning System
The air conditioning system contains fluorinated greenhouse gases.
Refrigerant type: HFC-134a, GWP: 1 430, Amount: 0.85 kg, CO2e: 1.22 ton.

Service Refill Capacities

Fuel tank - 380.0L
Engine coolant - 28.0L
Engine oil - 23.0L
Swing device - 6.9L
Travel device (each side) - 6.8L
Hydraulic system - 240.0
Hydraulic oil tank - 130.0
DEF/AdBlue® tank - 16.0