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.
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 |
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 |
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 |
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. |
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 |
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 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 |