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HITACHI - CRAWLER EXCAVATORS


HITACHI EX1900-6 - NEXT PHOTOS

HITACHI EX1900-6




TECHNICAL DATA AND PHOTOS

Model: EX1900-6
Manufacturer: Hitachi Construction Machinery
Type: Large hydraulic excavator, mining hydraulic excavator.


ENGINE

Model: Cummins QSKTA38-CE
Type: Four-cycle, turbocharged and aftercooled, direct-injection chamber-type diesel engine.
Cooling: water-cooled
Gross power, SAE J1995: 810 kW (1,086 hp) at 1800 rpm
Net power: 775 kW (1,039 hp) at 1800 rpm
Number of cylinders: 12
Piston displacement: 37.8 L (2,307 in3)
Bore: 159 mm (6.3 in)
Stroke: 159 mm (6.3 in)
Starting system: 24 V electric motor
Cold starting: ether aided
Batteries 4 x 12 V, 220 Ah
Engine emissions: U.S. EPA Tier 2


HYDRAULIC SYSTEM

Main pumps:
6 variable-displacement, axial piston pumps for front attachment, travel and swing
Maximum oil flow 6 x 335 L/min (6 x 88.5 gal/min)
Pilot Pump: Gear pump
Maximum oil flow: 110 L/min (29.06 gal/min)
Relief Valve Settings:
Pilot circuit 4.4 MPa (45 kgf/cm2) (640 psi)
Swing circuit 29.4 MPa (300 kgf/cm2) (4,264 psi)
Travel circuit 29.4 MPa (300 kgf/cm2) (4,264 psi)
Implement circuit 29.4 MPa (300 kgf/cm2) (4,264 psi)

Hydraulic filters:
Full-flow filter: 3x 10 m
High-pressure strainer (in main and swing pump line): 3x 120 m
Drain filter (for all plunger-type pumps and motors): 1x 10 m
Bypass filter (in oil cooler by-pass line): 1x 5 m
Pilot filter: 1x 10 m

HYDRAULIC CYLINDERS

Boom cylinders:
Number of cylinders: 2
Bore: 280 mm (11 in)
Rod diameter: 200 mm (7.9 in)

Arm cylinders:
Number of cylinders: 2
Bore: 250 mm (9.8 in)
Rod diameter: 170 mm (6.7 in)

Bucket cylinders:
Number of cylinders: 2
Bore: 200 mm (7.9 in)
Rod diameter: 150 mm (5.9 in)


FLUID CAPACITIES

Engine oil: 166 L (44 gal) Engine coolant: 395 L (104 gal) Hydraulic system: 2200 L (581 gal)
Hydraulic oil tank: 1050 L (277 gal)
Pump transmission device: 26 L (7 gal)
Swing device: 2 x 67 L (2 x 17 gal)
Travel device: 2 X 70 L (2 x 18 gal) Fuel tank: 4140 L (1,094 gal)


DIMENSIONS

Track width on ground with 800 mm (31) track shoes: 5400 mm (178)
Overall track width: 5620 mm (185) Overall width: 6600 mm (2110)
Height to top of cab: 6990 mm (2211)
Counterweight clearance: 1920 mm (63)
Ground clearance: 795 mm (31)
Track length: 7480 mm (246)
Rear-end length: 6035 mm (199)



UNDERCARRIAGE

Tractor-type undercarriage: Triple grouser shoes specially heat treated cast steel.
Track length: 7480 mm (246)
Length to center of rollers: 5780 mm (1811)
Shoe width: 800 mm (31)
Track width on ground: 5400 mm (178)
Overall track width: 5620 mm (185) Track height: 1880 mm (62)
Ground clearance: 795 mm (31)
Number of upper rollers: 3
Number of lower rollers: 8
Number of track shoes: 49
Maximum traction force: 941.5 kN / 96 000 kgf (211,644 lbf)
Maximum gradeability 58% (30)


TRAVEL SPEEDS

Low: 0-2.1 km/h (0-1.3 mph)
High: 0-2.8 km/h (0-1.7 mph)


SWING MECHANISM

Swing speed: 7.7 rpm


WORKING RANGES (Backhoe Attachment)
Bucket Capacity (SAE Heaped 1:1): 12.0 m3 (15.7 yd3)
Boom Length: 8.3 m (273)
Arm Length: 3.6 m (1110)


Maximum digging depth: 8180 mm (2610)
Maximum dumping height: 9060 mm (299)
Maximum digging reach: 15 250 mm (50)
Maximum digging reach: (on ground) 14 770 mm (486)
Maximum digging depth: 8180 mm (2610)
Maximum cutting height: 14 140 mm (465)
Minimum swing radius: 7140 mm (235)
Maximum vertical wall: 5520 mm (181)

Arm crowding force, ISO: 620 kN / 63 200 kgf (139,382 lbf)
Arm crowding force, SAE: 609 kN / 62 100 kgf (136,909 lbf)
Bucket digging force, ISO: 671 kN / 68 400 kgf (150,847 lbf)
Bucket digging force, SAE: 617 kN / 62 900 kgf (138,707 lbf)


BUCKET (Backhoe)

Type: general purpose
Bucket capacity (SAE heaped 1:1): 12.0 m3 (15.7 yd3)
Width (without side cutters): 3050 mm (10)
Weight: 13 200 kg (29,101 lb)
Number of teeth: 6
Materials density: 1800 kg/m3 (3,034 lb/cu3) or less


OPERATING WEIGHT AND GROUND PRESSURE
Equipped with 8.3-m (27 ft. 3 in.) boom, 3.6-m (11 ft. 10 in.) arm, and 12.0-m3 (15.7 cu. yd.)(SAE heaped 1:1) bucket.

Shoe type: triple grousers
Shoe width: 800 mm (31)
Operating weight: 192 000 kg (423,288 lb)
Ground pressure: 184 kPa (1.88 kgf/cm2) (26.7 psi)


HITACHI EX1900-6 large hydraulic excavator works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
HITACHI EX1900-6 large hydraulic excavator works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 925 599 pixels, 237 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


HITACHI EX1900-6 large hydraulic excavator works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
HITACHI EX1900-6 large hydraulic excavator works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Date of the photo: 2 February 2012
Size of the photo: 1920 1080 pixels, 1.60 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 EX1900-6 mining hydraulic excavator works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
HITACHI EX1900-6 mining hydraulic excavator works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Date of the photo: 2 February 2012
Size of the photo: 4228 2747 pixels, 6.70 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 EX1900-6 works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
HITACHI EX1900-6 works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Date of the photo: 2 February 2012
Size of the photo: 5406 3546 pixels, 10.70 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


HITACHI EX1900-6 is loading a CAT haul truck with overburden at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 is loading a CAT haul truck with overburden at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Date of the photo: 2 February 2012
Size of the photo: 1920 1080 pixels, 1.42 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 EX1900-6 mining hydraulic excavator is loading a CAT haul truck with overburden at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 mining hydraulic excavator is loading a CAT haul truck with overburden at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Date of the photo: 2 February 2012
Size of the photo: 5396 3530 pixels, 8.51 MB
Camera model: SAMSUNG NX1000
Author of the photo: John Welsh
License: (CC BY-SA 2.0)


HITACHI EX1900-6 hydraulic excavator is loading a CAT haul truck with overburden at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 hydraulic excavator is loading a CAT haul truck with overburden at Stockton Coal Mine, Collie Shire, Western Australia, Australia
Size of the photo: 1574 1039 pixels, 877 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



HITACHI EX1900-6 hydraulic excavator is loading a CAT 777D haul truck with overburden at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 hydraulic excavator loading soil on a CAT 777D dumper truck at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 960 542 pixels, 151 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



HITACHI EX1900-6 hydraulic excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 hydraulic excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 960 542 pixels, 151 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



HITACHI EX1900-6 hydraulic excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 hydraulic excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 960 542 pixels, 151 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



HITACHI EX1900-6 mining excavator and a CAT bulldozer at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 mining excavator and a CAT bulldozer at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 960 480 pixels, 332 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



HITACHI EX1900-6 mining excavator and a CAT bulldozer at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 mining excavator and a CAT bulldozer at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 960 480 pixels, 332 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



HITACHI EX1900-6 hydraulic excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 hydraulic excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 960 720 pixels, 98.3 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



HITACHI EX1900-6 hydraulic excavator works at Stockton Coal Mine, Collie Shire, Western Australia, Australia
HITACHI EX1900-6 hydraulic excavator works at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 1200 900 pixels, 729 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



Transport of HITACHI EX1900-6 mining excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Transport of HITACHI EX1900-6 mining excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 1200 900 pixels, 729 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)



Transport of the large hydraulic excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Transport of the large hydraulic excavator at Stockton Coal Mine, Collie Shire, Western Australia, Australia.
Size of the photo: 1200 900 pixels, 729 kB
Author of the photo: John Welsh
License: (CC BY-SA 2.0)




HITACHI EX1900-6 - NEXT PHOTOS


HITACHI - CRAWLER EXCAVATORS



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