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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
