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Komatsu Excavators PC490LC-10 MH

Komatsu Excavators PC490LC-10 MH
PC490LC-10 MH Material Handler

If your needs require long reach and high stability in an excavator to handle material with grapples, clams or magnets, the Komatsu Excavators PC490LC-10 material handler has the boom and arm combinations you'll need.

Engine
Model Komatsu SAA6D125E-6-A*
Type Water-cooled, 4-cycle, direct injection
Aspiration Turbocharged, aftercooled, cooled EGR
Number of cylinders 6
Bore 4.92" 125 mm
Stroke 5.91" 150 mm
Piston displacement 674 in³ 11.04 ltr
Horsepower
SAE J1995 : Gross 362 HP 270 kW
ISO 9249/SAE J1349 : Net 359 HP 268 kW
Rated rpm 1900 rpm
Fan drive type Hydraulic
Governor All-speed control, electronic.
*EPA Tier 4 Interim and EU stage 3B emissions certified
Hydraulic
Type .. HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center system with load sensing valves and pressure compensated valves
Number of selectable working modes 6
Main pump:
Type Variable displacement piston type
Pumps for Boom, arm, bucket, swing, and travel circuits
Maximum flow 184 U.S. gal/min 695 ltr/min
Supply for control circuit Self-reducing valve
Hydraulic motors: 1 x axial piston motor with swing holding brake
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 380 kgf/cm²/ 37.3 MPa
Travel circuit 5,400 psi 380 kgf/cm² / 37.3 MPa
Swing circuit 4,055 psi 285 kgf/cm²/ 27.9 MPa
Pilot circuit 470 psi 33 kgf/cm² / 3.2 MPa
Hydraulic cylinders:
Number of cylinders Bore x Stroke x Rod Diameter Bore x Stroke x Rod Diameter
Boom / 2 7" x 59" x 5" 177.8 mm x 1499 mm x 127 mm
Arm / 1 7.5" x 78" x 5" 190.5 mm x 1981 mm x 127 mm
Auxiliary pump for generator:
Maximum flow 36.7 gal/min 139 ltr/min
Maximum pressure 3,500 psi 24.2 MPa 246 kg/cm²
Mounting flange SAE-B, 2 bolt
Drive spline 15T-16/32DP
Drives & Brakes
Steering control Two levers with pedals
Drive method Hydrostatic
Maximum drawbar pull 73,987 lb 329 kN / 33560 kg
Gradeability 35° 70%
Maximum travel speed: (Auto-Shift):
High 3.4 mph 5.5 km/h
Mid 2.6 mph 4.2 km/h
Low 1.9 mph 3.0 km/h
Service brake Hydraulic lock
Parking brake Mechanical disc brake
Swing System
Drive method Hydrostatic
Swing reduction Planetary gear
Swing circle lubrication Grease-bathed
Service brake Hydraulic lock
Holding brake/Swing lock Mechanical disc brake
Swing speed 9.1 rpm
Swing torque 97,024 ft. lbs. 13414 kg•m
Undercarriage
Center frame X-frame
Track frame Box-section
Seal of track Sealed track
Track adjuster Hydraulic
Number of shoes 49 each side
Number of carrier rollers 4 each side
Number of track rollers 8 each side
Coolant and Lubricant Capacity (refilling)
Fuel tank 172 U.S. gal 650 ltr
Coolant 11.6 U.S. gal 44 ltr
Engine 10.0 U.S. gal 38.0 ltr
Final drive, each side 2.9 U.S. gal 11.0 ltr
Swing drive 5.3 U.S. gal 20 ltr
Hydraulic tank 65.5 U.S. gal 248 ltr
Hydraulic system 124.7 U.S. gal 472 ltr
Operating Weight (approximate)
Operating weight without work tool (approximate)
Operating weight includes KO2US55 2-piece 16.8 m / 55' front, counterweight for MH 12317 kg / 27,450 lb, widen carbody, 78" cab riser, 25kw generator, rated capacities of lubricants, coolant, full fuel tank, operator and standard equipment.
Triple-Grouser Shoes 28" 700 mm
Operating Weight 126,530 lb 57410 kg
Ground Pressure 13.4 psi 0.94 kg/cm²
Triple-Grouser Shoes 31.5'' 800 mm
Operating Weight: 127,630 lb 57910 kg
Ground Pressure 11.8 psi 0.83 kg/cm²
Triple-Grouser Shoes 35.5" 900 mm
Operating Weight: 128,710 lb 58400 kg
Ground Pressure 10.6 psi 0.74 kg/cm²
For KOUS54 3-piece 16.5 m 54' front, add weight 105 kg 230 lb

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