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HITACHI - CRAWLER EXCAVATORS


HITACHI 670LCH-3




TECHNICAL DATA AND PHOTOS




Model: ZAXIS 670LCH-3 (ZX670LCH-3)
Manufacturer: Hitachi Construction Machinery
Type: crawler hydraulic excavator


ENGINE

Model: Isuzu AH-6WG1XYSA-02
Type: four-cycle, direct injection, diesel
Aspiration: turbocharged
Cooling: water
Rated power without fan
ECC 80/1269, net: 345 kW (463 HP) at 1 800 rpm
ISO 9249, net: 345 kW (463 HP) at 1 800 rpm
Maximum torque: 1 980 Nm (202 kgf•m) at 1 500 rpm
Piston displacement: 15 681 cm3
Number of cylinders: 6
Bore: 147 mm
Stroke: 154 mm


ELECTRICAL SYSTEM

Batteries: 2 x 12 V, 2 x 170 Ah
Alternator: 50 A
Working lights: 2 Cab lights: 2


HYDRAULIC SYSTEM

Main pumps: two variable displacement axial piston pumps
Maximum flow: 2 x 456 L/min

Pilot pump: one gear
Maximum flow: 30 L/min


Hydraulic Motors
Travel: two axial piston motors with parking brake
Swing: two axial piston motor

Relief Valve Settings
Pilot circuit: 3.9 MPa (40 kgf/cm2)
Swing circuit: 29.4 MPa (300 kgf/cm2)
Travel circuit: 34.3 MPa (350 kgf/cm2)
Implement circuit: 31.9 MPa (325 kgf/cm2)
Power boost: 34.3 MPa (350 kgf/cm2)


HYDRAULIC CYLINDERS

Boom cylinders:
Number of cylinders: 2
Bore: 190 mm
Rod diameter: 130 mm

Stick cylinder:
Number of cylinders: 1
Bore: 200 mm
Rod diameter: 140 mm

Bucket cylinder:
Number of cylinders: 1
Bore: 180 mm
Rod diameter: 130 mm

Bucket (BE) cylinder:
Number of cylinders: 1
Bore: 190 mm
Rod diameter: 130 mm


FLUID CAPACITIES

Engine oil: 57.0 L
Engine coolant: 57.0 L
Swing device (each side): 10.5 L
Travel device (each side): 16.0 L
Hydraulic system: 680.0 L
Hydraulic oil tank: 380.0 L
Fuel tank: 900.0 L


UNDERCARRIAGE

Carrier rollers (per side): 3
Track rollers (per side): 8
Track shoes (per side): 47

Track height: 1 390 mm
Distance between tumblers: 4 590 mm
Undercarriage length: 5 840 mm
Track gauge - extended: 3 300 mm
Track gauge - retracted: 2 830 mm
Track shoe width: 650 mm, 750 mm, 900 mm
Undercarriage width with 650 mm shoes - extended: 3 950 mm
Undercarriage width with 650 mm shoes - retracted: 3 480 mm
Undercarriage width with 750 mm shoes - extended: 4 050 mm
Undercarriage width with 750 mm shoes - retracted: 3 580 mm
Undercarriage width with 900 mm shoes - extended: 4 200 mm
Undercarriage width with 900 mm shoes - retracted: 3 730 mm
Minimum ground clearance: 860 mm

Maximum traction force: 460 kN (46 920 kgf)

Gradeability: 35° (70%) continuous

Travel speed:
Low: 0–3.4 km/h
High: 0–4.9 km/h


DIMENSIONS
Equipped with 7.8 m H-boom and 3.6 m H-arm

Overall width of upperstructure: 4 100 mm

Overall width: 4 340 mm

Overall height of cab: 3 590 mm

Overall height of boom: 4 460 mm

Shipping length: 13 200 mm

Rear-end swing radius: 3 850 mm

Rear-end length: 3 720 mm

Counterweight clearance: 1 530 mm

Minimum ground clearance: 860 mm


WORKING RANGES
Equipped with 6.8 m BE-boom, 2.9 m BE-arm and bucket 3.3 m3.

Maximum digging depth: 7 120 mm

Maximum dumping height: 7 330 mm

Maximum digging reach: 11 800 mm

Maximum digging reach (on ground): 11 500 mm

Maximum cutting height: 11 190 mm

Maximum vertical wall: 5 280 mm

Minimum swing radius: 5 240 mm

Arm crowd force (at power boost):
ISO: 332 kN (33 900 kgf)
SAE: PCSA 297 kN (30 300 kgf)

Bucket digging force (at power boost):
ISO: 369 kN (37 700 kgf)
SAE: PCSA 306 kN (31 200 kgf)


WORKING RANGES
Equipped with 7.8 m H-boom, 3.6 m H-arm and bucket 2.9 m3.

Maximum digging depth: 8 560 mm

Maximum dumping height: 8 020 mm

Maximum digging reach: 13 280 mm

Maximum digging reach (on ground): 13 030 mm

Maximum dumping height: 8 020 mm

Maximum vertical wall: 7 720 mm

Minimum swing radius: 5 780 mm

Arm crowd force (at power boost):
ISO: 286 kN (29 200 kgf)
SAE: PCSA 246 kN (25 100 kgf)

Bucket digging force (at power boost):
ISO: 324 kN (33 100 kgf)
SAE: PCSA 255 kN (26 000 kgf)


OPERATING WEIGHTS AND GROUND PRESSURE
Equipped with 7.8 m H-boom, 3.6 m H-arm, and 2.9 m3 rock bucket.

With double grouser shoe 650 mm
Operating weight: 67 300 kg
Ground pressure: 101 kPa (1.03 kgf/cm2)

With double grouser shoe 750 mm
Operating weight: 67 900 kg
Ground pressure: 88 kPa (0.90 kgf/cm2)

With double grouser shoe 900 mm
Operating weight: 68 800 kg
Ground pressure: 88 kPa (0.90 kgf/cm2)


BUCKETS

Capacity SAE, PCSA heaped: 1.5 m3, 1.8 m3, 2.9 m3, 3.3 m3

Capacity CECE heaped: 1.3 m3, 1.6 m3, 2.5 m3, 2,9 m3


HITACHI ZAXIS 670LCH-3 hydraulic excavator loading CAT 770 dumper truck
HITACHI ZAXIS 670LCH-3 hydraulic excavator loading CAT 770 dumper truck.
Date of the photo: 5 August 2014
Size of the photo: 1920 × 1080 pixels, 1.69 MB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under this photo.


HITACHI ZAXIS 670LCH-3 hydraulic excavator
HITACHI ZAXIS 670LCH-3 hydraulic excavator.
Date of the photo: 5 August 2014
Size of the photo: 2660 × 1815 pixels, 3.47 MB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)
Changes made: The image was extracted from the original photo and change of contrast.
The original photo is under this photo.


HITACHI ZAXIS 670LCH-3 hydraulic excavator loading CAT 770 dumper truck
HITACHI ZAXIS 670LCH-3 hydraulic excavator loading CAT 770 dumper truck.
Date of the photo: 5 August 2014
Size of the photo: 5472 × 3648 pixels, 4.36 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


HITACHI ZAXIS 670LCH-3 hydraulic excavator loading KOMATSU HD465 dumper truck
HITACHI ZAXIS 670LCH-3 hydraulic excavator loading KOMATSU HD465 dumper truck.
Date of the photo: 5 August 2014
Size of the photo: 1920 × 1080 pixels, 1.63 MB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under this photo.


HITACHI ZAXIS 670LCH-3 hydraulic excavator loading CAT 770 dumper truck
HITACHI ZAXIS 670LCH-3 hydraulic excavator loading CAT 770 dumper truck.
Date of the photo: 5 August 2014
Size of the photo: 5472 × 3648 pixels, 4.37 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


HITACHI ZAXIS 670LCH-3 hydraulic excavator at work
HITACHI ZAXIS 670LCH-3 hydraulic excavator at work.
Date of the photo: 5 August 2014
Size of the photo: 1987 × 1745 pixels, 2.45 MB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under this photo.


HITACHI ZAXIS 670LCH-3 hydraulic excavator at work
HITACHI ZAXIS 670LCH-3 hydraulic excavator and CATERPILLAR 770 dumper truck.
Date of the photo: 5 August 2014
Size of the photo: 5472 × 3648 pixels, 11.5 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)





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