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Hitachi Excavators ZAXIS400LCH

Hitachi Excavators ZAXIS400LCH
Specifications :
ENGINE
Model Isuzu AH-6HK1X
Type 4-cycle water-cooled, direct injection
Aspiration Turbocharged, Intercooled
No. of cylinders 6
Rated power ISO 9249, net H/P mode : 202 kW (271 HP) at 1 900 min-1 (rpm)
Rated power EEC 80/1269, net H/P mode : 202 kW (271 HP) at 1 900 min-1 (rpm)
Rated power SAE J1349, net H/P mode : 202 kW (271 HP) at 1 900 min-1 (rpm)
Maximum torque 1 080 Nm (110 kgf m) at 1 500 min-1 (rpm)
Piston displacement 7.790 L
Bore and stroke 115 mm x 125 mm
Batteries 2 x 12 V / 128 AH
HYDRAULIC SYSTEM
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 288 L/min
Pilot pump 1 gear pump
Pilot pump Max. oil flow 34 L/min
Hydraulic Motors
Travel 2 variable displacement axial piston motors with parking brake
Swing 1 axial piston motor
Relief Valve Settings
Implement circuit 34.3 MPa (350 kgf/cm2)
Swing circuit 34.3 MPa (350 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.
Dimensions
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.
CONTROLS
Pilot controls. Hitachi's original shockless valve.
Implement levers 2
Travel levers with pedals 2
UPPERSTRUCTURE
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 inductionhardened internal gear. Internal gear and pinion gear are immersed in lubricant.
Swing parking brake is spring-set/hydraulic-released disc type.
Swing speed 10.7 min-1 (rpm)
Operator's Cab
Independent spacious cab, 1 005 mm wide by 1 795 mm high, conforming to ISO* Standards. (OPG top guard fitted Level II (ISO 10262) compliant cab) Reinforced glass windows on 4 sides for visibility. Reclining seat with armrests; adjustable with or without control levers.
* International Standardization Organization
UNDERCARRIAGE
Tracks
Tractor-type undercarriage. Welded track frame using selected materials.
Side frame bolted 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 8
Track shoes 49
Full track guard 1
Travel Device
Each track driven by axial piston motor through reduction gear for counterrotation of the tracks. Sprockets are replaceable. Parking brake is spring-set/hydraulic-released disc type.
Automatic transmission system: High-Low.
Travel speeds High : 0 to 5.0 km/h
Low : 0 to 2.9 km/h
Maximum traction force 322 kN (32 800 kgf)
Gradeability 70 % (35 degree) continuous
WEIGHTS AND GROUND PRESSURE
Equipped with 6.4 m H-boom, 3.2 m H-arm and 1.60 m3 rock bucket (SAE, PCSA heaped).
SERVICE REFILL CAPACITIES
Fuel tank 630.0 L
Engine coolant 32.0 L
Engine oil 41.0 L
Swing device 17.0 L
Travel device (each side) 11 L
Hydraulic system 374.0 L
Hydraulic oil tank 298.0 L
BACKHOE ATTACHMENTS
Boom and arms are of all-welded, box-section design. Bucket is of all-welded, high-strength steel structure. The ZAXIS 400LCH is a heavy duty type and equipped with a reinforced H-boom and H-arm.
Backhoe Buckets
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