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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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Komatsu’s PC138US-8 excavator is the perfect choice for high productivity and plenty of digging power in confined spaces. 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 Australia-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
    • Swing reduction: Planetary gear
    • Swing circle lubrication: Grease-bathed
    • Service brake: Hydraulic lock
    • Holding brake/Swing lock: Wet, multiple-disc brake
    • Swing speed (rpm): 11
    • Driven by: Hydraulic motor

    • HydrauMind Type: HydrauMind System

    • Main pump

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

    • Relief valve setting

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

    • 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

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

    • Horsepower

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

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

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

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

    • 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