For a large working range combined with power and stability, consider adding a super long front arrangement to the PC490LC-11. This configuration allows for extended reach and deep digging of wet or damp materials, offering:
- Extension of the excavator’s operating range
- Capability to handle a wide variety of applications
- Provision of stability while reaching long distances
Product Features and benefits:
Versatile Arrangements:
- Explore a wide selection of ditch-cleaning and general-purpose buckets tailored to meet the specific needs of your job site.
- The arm conveniently tucks under the boom, ensuring the lowest possible transport height without the need for disassembly.
Durability with Reinforced Parts:
- Hardened steel and nickel plating enhance durability, providing excellent resistance against corrosion and wear.
- The cast bucket power link and sealed hardened bushing contribute to the overall durability of the equipment.
Smooth Loading and Control:
- Experience improved hydraulic performance with smooth bucket control and the inclusion of two return hoses.
- During the arm-out function, a portion of the oil is efficiently returned directly back to the tank, ensuring a seamless operation.
Specifications for PC490LC-11 SLF:
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: 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: 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:
- 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: 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: 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
Coolant & Lubricant Capacity (Refilling)
- 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)
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
Further information on this machine can be viewed by visiting this link https://www.komatsu.com/products/excavators/large-excavators/pc490lc-11-slf
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