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Excavators

PC1250-11

Crawler excavators

  • Engine power (HP) 758
  • Engine power (kW) 565
  • Bucket capacity (m³) 4.1-7.3
  • Bucket capacity (yd³) 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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    • Fuel (US gal): 359.28

    • Bucket

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

    • Relief valve setting

      • Travel: 2 x axial piston motors with parking brake
      • Swing: 2 x axial piston motors with swing holding brake
      • Implement circuits (psi): 4551.46
      • Travel circuit (psi): 4978
      • Implement circuits (MPa): 31.38
      • Swing circuit (psi): 4267
      • Implement circuits (kgf/cm²): 320
      • Pilot circuit (kgf/cm²): 33
      • Swing circuit (kgf/cm²): 300
      • Swing circuit (MPa): 29.4
      • Travel circuit (kgf/cm²): 350
      • Travel circuit (MPa): 34.3

    • Main pump

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

    • Aspiration: Turbocharged, aftercooled, cooled, EGR
    • Bore (mm): 170
    • Bore (in): 6.69
    • Stroke (mm): 170
    • Stroke (in): 6.69
    • Piston displacement (in³): 1412.68
    • Piston displacement (L): 23.15
    • Governor: All-speed control, electronic
    • Fan drive method for radiator cooling: Hydraulic
    • Engine model: Komatsu SAA6D170E-7

    • Horsepower

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

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

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

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

    • Maximum travel speed

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

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

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

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