CX490D - Heavy Excavator (Retractable Sideframe Undercarriage)
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Operating Weight 49900 kg
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Engine 270 kW
ENGINE
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Manufacturer Model ISUZU AQ-6UZ1X
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Type "Water-cooled, 4-cycle diesel, 6-cylinder in line, electronically controlled, high pressure common rail system, turbocharger with air cooled intercooler, without cooling fan , SCR system
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Emission certified Tier 4
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Displacement 9.84 l
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Bore/Stroke 120 x 145 mm
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Horsepower ISO 14396 GROSS 270 kW (362 hp) at 2000 min-1
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Horsepower SAE J1349 NET 245 kW (329 hp) at 2000 min-1
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Maximum torque SAE J14396 GROSS 1363 Nm at 1500 min-1
HYDRAULIC SYSTEM
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Type 2 variable displacement axial piston pumps with regulating system
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Max oil flow 2 × 364 liter/min at 2000 min-1
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Working circuit pressure
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Boom/Arm/Bucket circuit 31.4 MPa
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Boom/Arm/Bucket circuit (with auto power up) 34.3 MPa
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Swing circuit 29.4 MPa
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Travel circuit 34.3 Mpa
SWING
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Maximum swing speed 9.1 min-1
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Swing torque 150,000 Nm
FILTERS
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Suction filter 105 μm
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Return filter 6 μm
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Pilot line filter 8 μm
TRAVEL
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Travel motor Variable displacement axial piston motor (Automatic travel speed shifting)
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Max travel speed 5.3 km/h
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Low travel speed 3.2 km/h
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Gradeability 70% (35°)
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Drawbar pull 339 kN
ELECTRICAL SYSTEM
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Circuit 24 V
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Alternator 50 Amp
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Starter motor 24 V 5.5 kW
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Battery 2 × 12 V 128 Ah/5 HR
WEIGHT
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Configuration 3.38 m arm, 2.0 m3 HD bucket, 600mm grouser shoe, operator, lubricant, coolant and full fuel tank
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Operating Mass 49,900 kg
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Ground pressure 0.086 MPa
ELECTRICAL SYSTEM
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Circuit 24 V
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Alternator 50 Amp
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Starter motor 5.5 kW
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Battery 2 × 12 V 128 Ah / 5 HR
UNDERCARRIAGE
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Number of carriers rollers (each side) 3
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Number of track rollers (each side) 9
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Number of shoes (each side) 50
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Type of shoe Triple grouser shoe
CAPACITIES
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Fuel tank (L) 650
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Hydraulic system (L) 460
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Cooling system (L) 55.1
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Engine crank case (L) 41
GENERAL DIMENSIONS
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Arm length 3.38 m/2.53 m
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Overall length (without attachment) mm 6450
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Overall length (with attachment) mm 12060/ 12090
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Overall height (with attachment) mm 3680 / 3720
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Cab height mm 3470
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Upper structure overall width mm 3060 (w/o catwalks) - 3590 (with)
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Swing (rear end radius) mm 3730
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Clearance height under upper structure mm 1480
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Minimum ground clearance mm 720
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Wheel base (Center to center of wheels) mm 4400
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Crawler overall length mm 5450
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Crawler tracks height mm 1220
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Track gauge mm 2890
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Undercarriage overall width (with 600 mm shoes) mm 3200 (retracted) 3700 (extended)
PERFORMANCE DATA
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Boom length mm 6980
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Bucket radius mm 1840
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Bucket wrist action ° 176
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Maximum reach at GRP mm 11720/ 10950
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Maximum reach mm 11970/ 11220
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Max. digging depth mm 7570/ 6720
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Max. digging height mm 11250 / 11000
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Max. dumping height mm 7840 / 7560
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Arm digging force with auto power up 220 kN/ 269KN
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Bucket digging force with auto power up 270 kN