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Excavators

PC138US-8

Mid-size excavators

  • Engine power (HP) 92
  • Engine power (kW) 68.4
  • Bucket capacity (m^3) 0.53
  • Bucket capacity (yd^3) 0.69
  • Operating weight (kg) 14700
  • Operating weight (lbs) 32408

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When you need high productivity and plenty of digging power in confined spaces, our PC138US-8 excavator is the perfect choice. As with all our construction excavators, key components are designed and manufactured by Komatsu to work together in an integrated package. And it comes standard with our Komtrax remote monitoring and location system, backed by our NZ-wide service and support network.

    Resources

    Short tail swing radius

    The short tail swing radius of the PC138US-8 allows the machine to work in more confined areas than a conventional machine

    Short tail swing radius

    Specifications

    Metric Imperial (US)
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    • Drive method: Fully hydrostatic
    • Holding brake/Swing lock: Wet, multiple-disc brake
    • Service brake: Hydraulic lock
    • Swing circle lubrication: Grease-bathed
    • Swing reduction: Planetary gear
    • Swing speed (rpm): 11
    • Driven by: Hydraulic motor

    • HydrauMind Type: HydrauMind System

    • Main pump

      • Maximum flow (L/min): 241.5
      • Maximum flow (US gpm): 63.79
      • Pumps for: Boom, arm, bucket, swing, and travel circuits

    • Relief valve setting

      • Implement circuits (kgf/cm^2): 355
      • Implement circuits (MPa): 34.81
      • Pilot circuit (MPa): 3.2
      • Implement circuits (psi): 5050.27
      • Travel circuit (psi): 5050
      • Swing circuit (psi): 3925
      • Pilot circuit (psi): 470
      • Swing: 1 x piston motor with swing holding brake
      • Swing circuit (kgf/cm^2): 276
      • Swing circuit (MPa): 27
      • Travel: 2 x piston motor with parking brake
      • Travel circuit (MPa): 34.8
      • Travel circuit (kgf/cm^2): 355
      • Pilot circuit (kgf/cm^2): 33

    • Hydraulic cylinders

      • Arm (Number of cylinders – bore x stroke x rod diameter)(mm): 1 - 110 x 1175 x 75
      • Arm (Number of cylinders – bore x stroke x rod diameter)(in): 4.33 x 46.26 x 2.95

    • Aspiration: Variable flow, turbocharged, air-to-air aftercooled
    • Engine model: Komatsu SAAD95LE-5
    • Piston displacement (in^3): 198.93
    • Piston displacement (L): 3.26

    • Horsepower

      • ISO 9249 / SAE J1349 - Net (HP): 91.66
      • ISO 9249 / SAE J1349 - Net (kW): 68.4
      • SAEJ1995 - Gross (HP): 97
      • SAEJ1995 - Gross (kW): 72.1

    • Coolant (US gal): 3.28
    • Coolant (L): 12.4
    • Hydraulic tank (L): 69
    • Hydraulic tank (US gal): 18.23
    • Swing drive (US gal): 0.66
    • Swing drive (L): 2.5
    • Engine (US gal): 2.91
    • DEF tank (US gal): None
    • Fuel tank (L): 195
    • Engine (L): 11
    • DEF tank (L): None

    • Parking brake: Wet, multiple-disc
    • Maximum drawbar pull (kgf): 12500

    • Center frame: X-frame leg
    • Number of carrier rollers (each side): 1
    • Number of shoes (each side): 43
    • Number of track rollers (each side): 7
    • Track frame: Box-bathed
    • Track adjuster: Hydraulic

    • Bucket crowd force - ISO (kgf): 9500
    • Arm crowd force - ISO (kgf): 6300
    • Swing radius (in): 58.3
    • Maximum reach at ground level (mm): 8180
    • Digging depth - maximum (mm): 5480
    • Maximum reach at ground level (in): 322.1
    • Arm size (m) and type: 2.5 standard
    • Swing radius (mm): 1480
    • Boom size (m) and type: 4.6 standard

    • Overall track width (mm): 2490
    • Overall track width (in): 98