Large excavator

PC490LC-11

  • Horsepower 268 kW @ 1 900 rpm 359 HP @ 1,900 rpm
  • Operating weight 47 930 - 49 995 kg 105,670 - 110,220 lbs.
  • Bucket capacity 1.12 - 3.17 m³ 1.47 - 4.15 yd³

High production, easily transportable

Built for high production jobs, the PC490LC-11 is a large but portable excavator with a heavy-duty reinforced undercarriage for high lift capacity, lateral stability and added durability.

  • Large high-strength steel castings on the boom, arm and bucket link
  • Closed-center load-sensing hydraulics for precise, fine control
  • Large displacement high-efficiency pumps provide optimal attachment flow
  • Large, spacious, quiet cab featuring standard air suspension seat

Features and benefits

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Large displacement high efficiency pump

Large displacement hydraulic implement pumps provide high flow output at lower engine RPM, operation at the most efficient engine speed.
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Closed-center load-sensing hydraulic system

Smooth operation, quick cycle times, great multi-function, while lowering fuel consumption from closed-center load-sensing hydraulic system.
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Built for strength

Equipment designed for long-term durability with high resistance to bending and torsional stress. Booms and arms are constructed with thick plates of high tensile strength streel and designed with large cross-sectional areas.
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Cleaner emissions

A heavy-duty aftertreatment system that combines a Komatsu Diesel Particulate Filter (KDPF) and selective catalytic reduction (SCR). The system injects the correct amount of diesel exhaust fluid at the proper rate, decomposing nitrogen oxide.
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Easy access

Engine oil check and filter locations integrated into one side to allow easier maintenance access.
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Advanced ergonomic design

Wide spacious cab includes a heated air suspension seat with reclining backrest. Seat height and position are easily adjusted using a pull-up lever. Armrest position easily adjusted with the console.
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Information at your fingertips

Updated, large, high-resolution LCD color monitor to ease accurate and smooth work. Key machine information displayed in user-friendly interface, rearview camera and DEF level gauge display added to default main screen.
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Rollover protection

A ROPS cab that conforms to ISO 12117-2 comes as standard equipment. It also satisfies requirements for level 1 operator protective guard (OPG) and top guard (ISO 10262).
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Multi-operator productivity

An operator identification ID can be set up for each operator and used to manage operation information of individual machines using Komtrax data. Data can analyze operation status by operator and by machine.
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Reduce fuel consumption

Auto idle shutdown automatically shuts the engine down after idling for a set period to reduce unnecessary fuel consumption and exhaust emissions. Time before engine is shutdown can be programmed from 5 to 60 minutes.
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Designed for durability

Large heavy-duty revolving frame guards and swivel guard help protect vital components from damage and debris build-up.
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Ease of maintenance and serviceability

Provide a convenient and more secure work area in front of the engine. A new step provides easier access for filling the AdBlue/DEF tank.

Specifications for PC490LC-11

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US system Metric
Engine
Model Komatsu SAA6D125E-7*
Type Water-cooled, 4-cycle, direct injection
Aspiration Komatsu Variable Geometry Turbocharger with air-to-air aftercooled EGR
Number of cylinders 6
Bore 125 mm
Stroke 150 mm
Piston displacement 11.04 L
Horsepower  
SAE J1995 : Gross 270 kW
ISO 9249/SAE J1349 : Net 268 kW
Rated rpm 1 900 rpm
Governor All-speed control, electronic.
Fan drive method for radiator cooling Hydraulic
*EPA Tier 4 Final emissions certified  
Model Komatsu SAA6D125E-7*
Type Water-cooled, 4-cycle, direct injection
Aspiration Komatsu Variable Geometry Turbocharger with air-to-air aftercooled EGR
Number of cylinders 6
Bore 4.92 in
Stroke 5.91 in
Piston displacement 674 in³
Horsepower  
SAE J1995 : Gross 362 HP
ISO 9249/SAE J1349 : Net 359 HP
Rated rpm 1,900 rpm
Governor All-speed control, electronic.
Fan drive method for radiator cooling Hydraulic
*EPA Tier 4 Final emissions certified  
Hydraulics

Type: HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valves, 6 selectable working modes

Main pump:  
    Pumps for Boom, arm, bucket, swing, and travel circuits
    Type Variable displacement axial piston type
    Maximum flow 780 L/min
Hydraulic motors:  
    Travel 2 x axial piston motor with parking brake
    Swing 1 x axial piston motor with swing holding brake
Relief valve setting:  
    Implement circuits 380 kgf/cm²/ 37.3 MPa
    Travel circuit 380 kgf/cm² / 37.3 MPa
    Swing circuit 285 kgf/cm²/ 27.9 MPa
    Pilot circuit 33 kgf/cm² / 3.2 MPa
Hydraulic cylinders:  
Number of cylinders Bore x Stroke x Rod Diameter
    Boom / 2 160 x 1570 x 110 mm
    Arm / 1 185 x 1820 x 120 mm
     Bucket / 1 160 x 1270 x 110 mm

Type: HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valves, 6 selectable working modes

Main pump:  
    Pumps for Boom, arm, bucket, swing, and travel circuits
    Type Variable displacement axial piston type
    Maximum flow 206 US gpm
Hydraulic motors:  
    Travel 2 x axial piston motor with parking brake
    Swing 1 x axial piston motor with swing holding brake
Relief valve setting:  
    Implement circuits 5,400 psi
    Travel circuit 5,400 psi
    Swing circuit 4,050 psi
    Pilot circuit 470 psi
Hydraulic cylinders:  
Number of cylinders Bore x Stroke x Rod Diameter
    Boom / 2 6.3 x 61.8 x 4.3 in
    Arm / 1 7.3 x 71.7 x 4.7 in
     Bucket / 1 6.3 x 50 x 4.3 in
Drives and Brakes
Steering control Two levers with pedals
Drive method Hydrostatic
Maximum drawbar pull 329 kN / 33 510 kg
Gradeability 35°
Maximum travel speed: (Auto-Shift):  
    High 5.5 kph
    Mid 4.2 kph
    Low 3.0 kph
Service brake Hydraulic lock
Parking brake Mechanical disc brake
Steering control Two levers with pedals
Drive method Hydrostatic
Maximum drawbar pull 73,880 lbs.
Gradeability 70%
Maximum travel speed: (Auto-Shift):  
    High 3.4 mph
    Mid 2.6 mph
    Low 1.9 mph
Service brake Hydraulic lock
Parking brake Mechanical disc brake
Swing System
Drive method Hydrostatic motor
Swing reduction Planetary gear
Swing circle lubrication Grease-bathed
Service brake Hydraulic lock
Holding brake/Swing lock Mechanical disc brake
Swing speed 9.0 rpm
Swing torque 13 414 kg-m
Drive method Hydrostatic motor
Swing reduction Planetary gear
Swing circle lubrication Grease-bathed
Service brake Hydraulic lock
Holding brake/Swing lock Mechanical disc brake
Swing speed 9.0 rpm
Swing torque 97,024 ft.-lbs.
Undercarriage
Center frame X-frame
Track frame Box-section
Track type
Sealed
Track adjuster Hydraulic
Number of shoes 49 each side
Number of carrier rollers 2 each side
Number of track rollers 8 each side
Center frame X-frame
Track frame Box-section
Track type
Sealed
Track adjuster Hydraulic
Number of shoes 49 each side
Number of carrier rollers 2 each side
Number of track rollers 8 each side
Coolant & Lubricant Capacity (Refilling)
Fuel tank 650 L
Coolant 47 L
Engine 38 L
Final drive, each side 11 L
Swing drive 20 L
Hydraulic tank 248 L
Diesel Exhaust Fluid (DEF) tank 39 L
Fuel tank  172 US gal
Coolant 12.4 US gal
Engine 10.0 US gal
Final drive, each side 2.9 US gal
Swing drive 5.3 US gal
Hydraulic tank 65.5 US gal
Diesel Exhaust Fluid (DEF) tank 10.3 US gal
Operating Weight (Approximate)

Operating weight includes 7060 mm one-piece HD boom, 3380 mm arm, SAE heaped 2.25 m3 bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.

Fixed Gauge:  
Shoes 700 mm
Operating Weight 47 930 kg
Ground Pressure 0.73 kg/cm²
Shoes 800 mm
Operating Weight: 48 430 kg
Ground Pressure 0.65 kg/cm²
Shoes 900 mm
Operating Weight: 48 920 kg
Ground Pressure 0.58 kg/cm²
Variable Gauge:  
Shoes 700 mm
Operating Weight 49 005 kg
Ground Pressure 0.75 kg/cm²
Shoes 800 mm
Operating Weight: 49 505 kg
Ground Pressure 0.67 kg/cm²
Shoes 900 mm
Operating Weight: 49 995 kg
Ground Pressure 0.60 kg/cm²

Operating weight includes 23 ft. 2 in one-piece HD boom, 11 ft. 1 in arm, SAE heaped 2.94 yd3 bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.

Fixed Gauge:  
Shoes 28 in
Operating Weight 105,670 lbs.
Ground Pressure 10.38 psi
Shoes 31.5' in
Operating Weight: 106,770 lbs.
Ground Pressure 9.20 psi
Shoes 35.5 in
Operating Weight: 107,850 lbs.
Ground Pressure 8.32 psi
Variable Gauge:  
Shoes 28 in
Operating Weight 108,040 lbs.
Ground Pressure 10.61 psi
Shoes 31.5 in
Operating Weight: 109,140 lbs.
Ground Pressure 9.40 psi
Shoes 35.5 in
Operating Weight: 110,220 lbs.
Ground Pressure 8.50 psi
  • 3 speed travel with auto shift
  • Alternator, 90 Ampere, 24V
  • AM/FM radio
  • Automatic engine warm-up system
  • Automatic climate control/air conditioner/heater/defroster
  • Auto idle
  • Auto idle shut down, programmable
  • Auxiliary input (3.5mm jack)
  • Batteries, large capacity (2 x 12V)
  • Battery master disconnect switch
  • Boom holding valves
  • Carrier rollers, (2 each side)
  • Converter, (2) x 12V
  • Counterweight, 9573 kg
  • Dry type air cleaner, double element
  • Electric horn
  • Engine, Komatsu SAA6D125E-7
  • Engine coolant to -25°C
  • EMMS monitoring system
  • Engine overheat prevention system
  • Extended work equipment grease interval
  • Fan guard structure
  • Fuel priming pump, 24V
  • Fuel system pre-filter 10 micron
  • Grease sealed track chain
  • High back air suspension seat, with heat
  • Hydraulic cooling fan (reversible)
  • Hydraulic track adjusters
  • KOMTRAX® Level 5.0
  • Large LCD color monitor, high resolution
  • Lock lever
  • Mirrors, (LH and RH)
  • Operator Protective Top Guard (OPG), Level 1
  • Operator identification system
  • Pattern change valve (ISO to BH control)
  • Power maximizing system
  • PPC hydraulic control system
  • Pump/engine room partition cover
  • Radiator and oil cooler dustproof net
  • Rear reflectors
  • Rearview monitoring system (1 camera)
  • Revolving frame deck guard
  • Revolving frame undercovers
  • ROPS cab (ISO12117-2)
  • Seat belt indicator
  • Seat belt, retractable, 76mm
  • Secondary engine shutoff switch
  • Service valve
  • Skylight
  • Slip resistant foot plates
  • Starter motor, 11.0kW/24V x 1
  • Suction fan
  • Thermal and fan guards
  • Track frame swivel guard
  • Track roller guards, center section
  • Track rollers, 8 (each side)
  • Track shoes, triple grouser, 700mm
  • Travel alarm
  • Two boom mode settings
  • Working lights, 2 (boom and RH front)
  • Working mode selection system
  • 3 speed travel with auto shift
  • Alternator, 90 Ampere, 24V
  • AM/FM radio
  • Automatic engine warm-up system
  • Automatic climate control/air conditioner/heater/defroster
  • Auto idle
  • Auto idle shut down, programmable
  • Auxiliary input (3.5mm jack)
  • Batteries, large capacity (2 x 12V)
  • Battery master disconnect switch
  • Boom holding valves
  • Carrier rollers, (2 each side)
  • Converter, (2) x 12V
  • Counterweight, 1,105 lb
  • Dry type air cleaner, double element
  • Electric horn
  • Engine, Komatsu SAA6D125E-7
  • Engine coolant to -13°F
  • EMMS monitoring system
  • Engine overheat prevention system
  • Extended work equipment grease interval
  • Fan guard structure
  • Fuel priming pump, 24V
  • Fuel system pre-filter 10 micron
  • Grease sealed track chain
  • High back air suspension seat, with heat
  • Hydraulic cooling fan (reversible)
  • Hydraulic track adjusters
  • KOMTRAX® Level 5.0
  • Large LCD color monitor, high resolution
  • Lock lever
  • Mirrors, (LH and RH)
  • Operator Protective Top Guard (OPG), Level 1
  • Operator identification system
  • Pattern change valve (ISO to BH control)
  • Power maximizing system
  • PPC hydraulic control system
  • Pump/engine room partition cover
  • Radiator and oil cooler dustproof net
  • Rear reflectors
  • Rearview monitoring system (1 camera)
  • Revolving frame deck guard
  • Revolving frame undercovers
  • ROPS cab (ISO12117-2)
  • Seat belt indicator
  • Seat belt, retractable, 3"
  • Secondary engine shutoff switch
  • Service valve
  • Skylight
  • Slip resistant foot plates
  • Starter motor, 11.0kW/24V x 1
  • Suction fan
  • Thermal and fan guards
  • Track frame swivel guard
  • Track roller guards, center section
  • Track rollers, 8 (each side)
  • Track shoes, triple grouser, 28"
  • Travel alarm
  • Two boom mode settings
  • Working lights, 2 (boom and RH front)
  • Working mode selection system

Arms

  • 2 900 mm arm assembly
  • 3 380 mm HD arm assembly
  • 3 380 mm HD arm assembly with piping
  • 3 380 mm SD arm assembly
  • 3 380 mm SD arm assembly with piping
  • 4 000 mm arm assembly
  • 4 800 mm arm assembly

Booms

  • 7 000 mm HD boom assembly
  • 7 000 mm HD boom assembly with piping

Cab guards

  • Lower front window guard
  • Full front guard, OPG Level 1
  • Full front guard, OPG Level 2
  • Bolt-on top guard, OPG Level 2

Other

  • Counterweight removal device with 8 700 kg counterweight
  • Counterweight, 11 500 kg with revolving frame reinforcement for use with super long fronts only
  • High altitude arrangement
  • High pressure in-line hydraulic filters
  • Hydraulic control unit, 1 actuator
  • Proportional control handles
  • Rain visor
  • Revolving frame undercovers, heavy duty
  • Revolving frame undercovers, severe duty
  • Sun visor
  • Straight travel pedal
  • Track roller guards, full length
  • Track shoes, triple grouser, 800 mm
  • Track shoes, triple grouser, 900 mm
  • Working lights, front, two additional cab mounted
  • Variable track gauge

Arms

  • 9'6" arm assembly
  • 11'1" HD arm assembly
  • 11'1" HD arm assembly with piping
  • 11'1" SD arm assembly
  • 11'1" SD arm assembly with piping
  • 13'1" arm assembly
  • 15'9" arm assembly

Booms

  • 23'2" HD boom assembly
  • 23'2" HD boom assembly with piping

Cab guards

  • Lower front window guard
  • Full front guard, OPG Level 1
  • Full front guard, OPG Level 2
  • Bolt-on top guard, OPG Level 2

Other

  • Counterweight removal device with 19,180 lbs. counterweight
  • Counterweight, 25,353 lbs. with revolving frame reinforcement for use with super long fronts only
  • High altitude arrangement
  • High pressure in-line hydraulic filters
  • Hydraulic control unit, 1 actuator
  • Proportional control handles
  • Rain visor
  • Revolving frame undercovers, heavy duty
  • Revolving frame undercovers, severe duty
  • Sun visor
  • Straight travel pedal
  • Track roller guards, full length
  • Track shoes, triple grouser, 31.5"
  • Track shoes, triple grouser, 35.5"
  • Working lights, front, two additional cab mounted
  • Variable track gauge
Support you can count on

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