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Hitachi Excavators ZAXIS160LC

Hitachi Excavators ZAXIS160LC
Specifications :
Model Isuzu AI-4JJ1X
Type 4-cycle water-cooled, direct injection
Aspiration Turbocharged, intercooled
No. of cylinders 4
Rated power ISO 9249, net 90.2 kW (121 HP) at 2 200 min-1 (rpm)
Rated power EEC 80/1269, net 90.2 kW (121 HP) at 2 200 min-1 (rpm)
Rated power SAE J1349, net 90.2 kW (121 HP) at 2 200 min-1 (rpm)
Maximum torque 402 Nm (41 kgf m) at 1 800 min-1 (rpm)
Piston displacement 2.999 L
Bore and stroke 95.4 mm x 104.9 mm
Batteries 2 x 12 V / 70 Ah
Work mode selector Digging mode / Attachment mode
Engine speed sensing system  
Main pumps 2 variable displacement axial piston pumps
Main pumps Maximum oil flow 2 x 191 L/min
Pilot pump 1 gear pump
Pilot pump Maximum oil flow 33.6 L/min
Hydraulic Motors
Travel 2 variable displacement axial piston motors
Swing 1 axial piston motor
Relief Valve Settings
Implement circuit 34.3 MPa (350 kgf/cm2)
Swing circuit 29.3 MPa (299 kgf/cm2)
Travel circuit 34.3 MPa (350 kgf/cm2)
Pilot circuit 3.9 MPa (40 kgf/cm2)
Power boost 36.3 MPa (370 kgf/cm2)
Hydraulic Cylinders
High-strength piston rods and tubes. Cylinder cushion mechanisms provided in boom and arm cylinders to absorb shock at stroke ends.
Hydraulic Filters
Hydraulic circuits use high-quality hydraulic filters. A suction filter is incorporated in the suction line, and full-flow filters in the return line and swing / travel motor drain lines.
Pilot controls. Hitachi's original shockless valve.
Implement levers 2
Travel levers with pedals 2
Revolving Frame
Welded sturdy box construction, using heavy-gauge steel plates for ruggedness. 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, shear-type ball bearing with induction-hardened internal gear. Internal gear and pinion gear are immersed in lubricant.
Swing parking brake is spring-set/hydraulic-released disc type.
Swing speed 13.3 min-1 (rpm)
Operator's Cab
Independent spacious cab, 1 005 mm wide by 1 675 mm high, conforming to ISO* Standards. Reinforced glass windows on 4 sides for visibility. Front windows (upper and lower) can be opened. Reclining seat with armrests; adjustable with or without control levers.
* International Standardization Organization
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.
Numbers of Rollers and Shoes on Each Side
Upper rollers 2
Lower rollers 7
Track shoes 43
Track guard 1
Travel Device
Each track driven by 2-speed axial piston motor through planetary reduction gear for counterrotation of the tracks. Sprockets are replaceable.
Parking brake is spring-set/hydraulic-released disc type. Travel shockless relief valve built in travel motor absorbs shocks when stopping travel.
Automatic transmission system: High-Low.
Travel speeds High : 0 to 5.3 km/h
Low : 0 to 3.4 km/h
Maximum traction force 169 kN (17 250 kgf)
Gradeability 70 % (35 degree) continuous
Equipped with 5.1 m monoblock boom, 2.58 m arm and 0.60 m3 bucket (SAE, PCSA heaped).
Weight of the basic machines [including 3 300 kg counterweight and triple grouser shoes, excluding front-end attachment, fuel, hydraulic oil, engine oil and coolant etc.] are:
ZX160LC-3 13 000 kg with 500 mm shoes
Fuel tank 320.0 L
Engine coolant 18.0 L
Engine oil 17.0 L
Swing device 6.2 L
Travel device (each side) 6.8 L
Hydraulic system 300.0 L
Hydraulic oil tank 125.0 L
Boom and arms are of welded, box-section design. 5.50 m monoblock boom, and 2.22 m, 2.58 m and 3.08 m arms are available.

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