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Excavators

PC1250-11

Surface mining excavators

  • Engine power (HP) 758
  • Engine power (kW) 565
  • Bucket capacity (m^3) 4.1-7.3
  • Bucket capacity (yd^3) 5.3-9.5
  • Operating weight (kg) 123649
  • Operating weight (lbs) 272550

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Get power and versatility with long boom and three arm options for extended reach and depth. Ideally suited for large general construction projects or deep underground utility work, this machine offers excellent digging performance for your tough jobs. And it comes standard with our Komtrax Plus remote monitoring and location system, backed by our Australia-wide service and support network.

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    Features and benefits

    Powerful engine

    Powerful engine

    13% more HP and up to 8% greater productivity*. A Tier 4 Final-compliant engine without requiring diesel exhaust fluid or a selective catalytic converter. Auto idle shutdown timer and thermostatically controlled variable speed cooling fan.

    Improve serviceability

    Improve serviceability

    Gain easy access to engine, hydraulic system and maintenance service areas with center and large left side walkways. Engine air cleaners have been relocated outside the engine compartment for easy access.

    Improved operator awareness

    Improved operator awareness

    Standard KomVision -camera system provides a bird’s-eye view of the surrounding area for improved operator situational awareness.* Komtrax Plus enables expanded monitoring of the fleet via satellite and wireless LAN.


    Specifications

    Metric Imperial (US)
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    • Hydraulics type: Gear pump, open-center load sensing system, 1 selectable working mode, variable capacity piston

    • Engine Model: Komatsu SAA6D170E-7
    • Bore (mm): 170
    • Bore (in): 6.69
    • Stroke (in): 6.69
    • Stroke (mm): 170
    • Piston displacement (L): 23.15
    • Piston displacement (in^3): 1412.68
    • Fan drive method for radiator cooling: Hydraulic
    • Aspiration: Turbocharged, aftercooled, cooled, EGR
    • Governor: All-speed control, electronic

    • Horsepower

      • SAEJ1995 - Gross (HP): 775.12
      • SAEJ1995 - Gross (kW): 578
      • ISO 9249 / SAE J1349 - Net (kW): 565
      • ISO 9249 / SAE J1349 - Net (HP): 757

    • Main pump

      • Maximum flow implement and travel (gpm): 2 x 130.46
      • Maximum flow swing (gpm): 1 x 158.50
      • Maximum flow swing (L/min): 1 x 600
      • Sub-pump for control circuit: Gear type

        Hydraulic cycle time (rated load in bucket)

        • Maximum flow implement and travel (L/min): 2 x 494

    • Relief valve setting

      • Implement circuits (psi): 4551.46
      • Implement circuits (kgf/cm^2): 320
      • Implement circuits (MPa): 31.38
      • Pilot circuit (kgf/cm^2): 33
      • Swing circuit (psi): 4267
      • Travel circuit (psi): 4978
      • Swing circuit (kgf/cm^2): 300
      • Swing circuit (MPa): 29.4
      • Travel circuit (kgf/cm^2): 350
      • Travel circuit (MPa): 34.3
      • Swing: 2 x axial piston motors with swing holding brake
      • Travel: 2 x axial piston motors with parking brake

    • Hydraulic cylinders

      • Arm (Number of cylinders – bore x stroke x rod diameter)(in): 9.84 x 95.87 x 6.69
      • Arm (Number of cylinders – bore x stroke x rod diameter)(mm): 250 x 2435 x 170

    • Bucket

      • SP / 2 (in): 6.3 x 76.8 x 4.5
      • SP / 2 (mm): 160 x 1950 x 115
      • Standard / 2 (mm): 160 x 1 825 x 115

    • Gradeability: 70%, 35°
    • Parking brake: Oil disc brake
    • Service brake type: Oil disc brake
    • Travel motor: Axial piston motor, in-shoe design

    • Maximum travel speed

      • High (mph): 2.05
      • High (kph): 3.3
      • Low (mph): 1.43
      • Low (kph): 2.3

    • Service brake: Hydraulic lock
    • Drive method: 2 x hydraulic motors
    • Holding brake/Swing lock: Mechanical disc brake
    • Swing circle lubrication: Grease-bathed
    • Swing reduction: Planetary gear
    • Swing speed (rpm): 5.8
    • Swing torque (kN-m): 406.1

    • Fuel tank (L): 1360
    • Engine (US gal): 22.72
    • Engine (L): 86
    • Swing drive (L): 2 x 20
    • Swing drive (US gal): 2 x 5.28
    • Hydraulic tank (L): 670
    • Hydraulic tank (US gal): 177.03
    • Coolant (US gal): 37.52
    • Coolant (L): 142

    • Fuel (US gal): 359.28

    • Number of shoes (each side): 48 (standard, SP) or 55 (long undercarriage)
    • Number of track rollers (each side): 8 (standard, SP) or 10 (long undercarriage)
    • Number of carrier rollers (each side): 3
    • Center frame: H-leg frame
    • Track frame: Box-section
    • Track adjuster: Hydraulic

    • Exterior – ISO 6395 (dB(A)): 109.9
    • Operator – ISO 6396 (dB(A)): 68.5