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KOMATSU - CRAWLER EXCAVATORS



KOMATSU PC490LC-11



TECHNICAL DATA AND PHOTOS



Manufacturer: KOMATSU

Type: crawler hydraulic excavator

Model: PC490LC-11

OPERATING SPECIFICATIONS:
Operating weight: 47 370 kg - 48 860 kg
Maximum bucket capacity: 2,71 m3 - 3,75 m3
Maximum digging depth: 6 365 mm - 9 190 mm
Maximum travel speed: 5.5 km/h (3.4 mph)



ENGINE:
Model: Komatsu SAA6D125E-7
Type: Common rail direct injection, emissionised, water-cooled, turbocharged, after-cooled diesel.
Aspiration: turbocharged
Cooling: Suction type cooling fan with radiator fly screen.
Fan drive type: hydraulic, reversible
Power ISO 14396: 270 kW (362 HP) at 1900 rpm
Power ISO 9249 (net engine power): 268 kW (359 HP) at 1900 rpm
Number of cylinders: 6
Bore: 125 mm
Stroke: 150 mm
Displacement: 11.04 liters
Air filter type: Double element type with monitor panel dust indicator and auto dust evacuator.
Engine emissions: EU Stage IV


HYDRAULIC SYSTEM:
Type: HydrauMind. Closed-centre system with load sensing and pressure compensation valves.
Additional circuits: 2 additional circuits with proportional control can be installed
Main pump: 2 variable displacement piston pumps supplying boom, arm, bucket, swing and travel circuits
Maximum pump flow: 2 × 345 liters/min
Relief valve setting:
Implement: 380 kg/cm2
Travel: 380 kg/cm2
Swing: 285 kg/cm2
Pilot circuit: 33 kg/cm2


FLUID CAPACITIES:
Radiator: 47,0 liters
Engine oil: 37,0 liters
Swing drive: 20,0 liters
Hydraulic tank: 248 liters
Final drive (each side): 10,5 liters
AdBlueŽ tank: 39,0 liters
Fuel tank: 650 liters


OPERATING WEIGHT:
Operating weight, including specified work equipment, 7,1 m mono boom, 3,4 m arm, 1.915 kg bucket, operator, lubricant, coolant, full fuel tank and the standard equipment.

Triple grouser shoes 600 mm
Operating weight: 47 370 kg
Ground pressure: 0,84 kg/cm2

Triple grouser shoes 700 mm
Operating weight: 47 870 kg
Ground pressure: 0,73 kg/cm2

Triple grouser shoes 800 mm
Operating weight: 48 370 kg
Ground pressure: 0,64 kg/cm2

Triple grouser shoes 900 mm
Operating weight: 48 860 kg
Ground pressure: 0,58 kg/cm2

Double grouser shoes 600 mm
Operating weight: 47 490 kg
Ground pressure: 0,84 kg/cm2


DRIVES AND BRAKES:
Steering control: 2 levers with pedals giving full independent control of each track
Drive method: hydrostatic
Travel operation: automatic 3-speed selection
Maximum drawbar pull: 34 000 kg
Gradeability: 70%, 35°
Maximum travel speed:
Low: 3.0 km/h
Mid: 4.2 km/h
High: 5.5 km/h (3.4 mph)
Brake system: hydraulically operated discs in each travel motor


UNDERCARRIAGE:
Construction: x-frame centre section with box section track frames
Track assembly:
Type: fully sealed
Tension: combined spring and hydraulic unit
Number of shoes (each side): 49
Number of carrier rollers (each side): 2
Number of track rollers (each side): 8


DIMENSIONS:
Overall width of upper structure: 2 995 mm
Overall height of cab: 3 360 mm
Machine tail height: 2 560 mm
Machine tail height (top of engine cover): 3 630 mm
Overall length of basic machine: 6 300 mm
Tail swing radius: 3 645 mm
Clearance under counterweight: 1 385 mm
Ground clearance: 700 mm
Tumbler centre distance: 4 350 mm
Track length: 5 385 mm
Track gauge: 2 890 mm
Track shoe width: 600, 700, 800, 900 mm
Overall track width with 600 mm shoes: 3 490 - 2 990 mm
Overall track width with 700 mm shoes: 3 590 - 3 090 mm
Overall track width with 800 mm shoes: 3 690 - 3 190 mm
Overall track width with 900 mm shoes: 3 790 - 3 290 mm


DIMENSIONS with mono boom and arm length 2,4 m
Transport length: 11 910 mm
Length on ground (transport): 7 885 mm
Overall height (to top of boom): 3 760 mm

DIMENSIONS with mono boom and arm length 2,9 m
Transport length: 12 000 mm
Length on ground (transport): 7 620 mm
Overall height (to top of boom): 3 760 mm

DIMENSIONS with mono boom and arm length 3,4 m
Transport length: 11 930 mm
Length on ground (transport): 6 875 mm
Overall height (to top of boom): 3 635 mm

DIMENSIONS with mono boom and arm length 4,0 m
Transport length: 11 950 mm
Length on ground (transport): 6 295 mm
Overall height (to top of boom): 3 885 mm

DIMENSIONS with mono boom and arm length 4,8 m
Transport length: 11 825 mm
Length on ground (transport): 6 050 mm
Overall height (to top of boom): 4 435 mm

DIMENSIONS with short boom and arm length 2,4 m
Transport length: 11 470 mm
Length on ground (transport): 7 840 mm
Overall height (to top of boom): 3 630 mm

DIMENSIONS with short boom and arm length 2,9 m
Transport length: 11 570 mm
Length on ground (transport): 7 380 mm
Overall height (to top of boom): 3 710 mm


MAXIMUM BUCKET CAPACITY
With mono boom and arm length 2,4 m:
Material weight up to 1200 kg/m3: 2,76 m3
Material weight up to 1500 kg/m3: 2,76 m3
Material weight up to 1800 kg/m3: 2,76 m3

MAXIMUM BUCKET CAPACITY
With mono boom and arm length 2,9 m:
Material weight up to 1200 kg/m3: 2,76 m3
Material weight up to 1500 kg/m3: 2,76 m3
Material weight up to 1800 kg/m3: 2,76 m3

MAXIMUM BUCKET CAPACITY
With mono boom and arm length 3,4 m:
Material weight up to 1200 kg/m3: 2,76 m3
Material weight up to 1500 kg/m3: 2,76 m3
Material weight up to 1800 kg/m3: 2,71 m3

MAXIMUM BUCKET CAPACITY
With mono boom and arm length 4,0 m:
Material weight up to 1200 kg/m3: 2,76 m3
Material weight up to 1500 kg/m3: 2,76 m3
Material weight up to 1800 kg/m3: 2,71 m3

MAXIMUM BUCKET CAPACITY
With mono boom and arm length 4,8 m:
Material weight up to 1200 kg/m3: 2,76 m3
Material weight up to 1500 kg/m3: 2,73 m3
Material weight up to 1800 kg/m3: 2,38 m3

MAXIMUM BUCKET CAPACITY
With short boom and arm length 2,4 m:
Material weight up to 1200 kg/m3: 3,50 m3
Material weight up to 1500 kg/m3: 3,50 m3
Material weight up to 1800 kg/m3: 3,18 m3

MAXIMUM BUCKET CAPACITY
With short boom and arm length 2,9 m:
Material weight up to 1200 kg/m3: 3,50 m3
Material weight up to 1500 kg/m3: 3,50 m3
Material weight up to 1800 kg/m3: 2,95 m3


WORKING RANGE:
With mono boom and arm length 2,4 m:
Maximum digging height: 10 375 mm
Maximum dumping height: 7 135 mm
Maximum digging depth: 6 780 mm
Maximum digging reach: 11 080 mm
Maximum digging reach at ground level: 10 840 mm
Minimum swing radius: 4 835 mm

WORKING RANGE:
With mono boom and arm length 2,9 m:
Maximum digging height: 10 350 mm
Maximum dumping height: 7 145 mm
Maximum digging depth: 7 280 mm
Maximum digging reach: 11 445 mm
Maximum digging reach at ground level: 11 215 mm
Minimum swing radius: 4 810 mm

WORKING RANGE:
With mono boom and arm length 3,4 m:
Maximum digging height: 10 980 mm
Maximum dumping height: 7 630 mm
Maximum digging depth: 7 755 mm
Maximum digging reach: 12 030 mm
Maximum digging reach at ground level: 11 810 mm
Minimum swing radius: 4 735 mm

WORKING RANGE:
With mono boom and arm length 4,0 m:
Maximum digging height: 11 090 mm
Maximum dumping height: 7 780 mm
Maximum digging depth: 8 380 mm
Maximum digging reach: 12 565 mm
Maximum digging reach at ground level: 12 355 mm
Minimum swing radius: 4 800 mm

WORKING RANGE:
With mono boom and arm length 4,8 m:
Maximum digging height: 11 550 mm
Maximum dumping height: 8 210 mm
Maximum digging depth: 9 190 mm
Maximum digging reach: 12 565 mm
Maximum digging reach at ground level: 13 365 mm
Minimum swing radius: 4 885 mm

WORKING RANGE:
With short boom and arm length 2,4 m:
Maximum digging height: 10 510 mm
Maximum dumping height: 7 075 mm
Maximum digging depth: 6 365 mm
Maximum digging reach: 10 605 mm
Maximum digging reach at ground level: 10 360 mm
Minimum swing radius: 4 265 mm

WORKING RANGE:
With short boom and arm length 2,9 m:
Maximum digging height: 10 550 mm
Maximum dumping height: 7 115 mm
Maximum digging depth: 6 865 mm
Maximum digging reach: 10 985 mm
Maximum digging reach at ground level: 10 750 mm
Minimum swing radius: 4 295 mm


KOMATSU PC490lc-11 crawler hydraulic excavator
KOMATSU PC490lc-11 crawler hydraulic excavator.
Taylor Wimpey Central London Mount Pleasant Phoenix Place, London, England.
Date of the photo: 1 June 2018
Author of the photo: DAVID HOLT
License : (CC BY 2.0)
Changes made: The image was extracted from the original photo.
The original photo is under the photo.

A construction site in London.
A construction site in London.
Taylor Wimpey Central London Mount Pleasant Phoenix Place, London, England.
Date of the photo: 1 June 2018
Size of the photo: 4766 x 2843 pixels, 3,20 MB.
Camera model: Sony DSC-WX350
Author of the photo: DAVID HOLT
License : (CC BY 2.0)


KOMATSU PC490LC - 11 excavator.
KOMATSU PC490LC-11 excavator.
Taylor Wimpey Central London Mount Pleasant Phoenix Place, London, England.
Date of the photo: 3 June 2018
Size of the photo: 4896 x 3672 pixels, 7,57 MB.
Camera model: Sony DSC-WX350
Author of the photo: DAVID HOLT
License : (CC BY 2.0)






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