• Engine

    Model Komatsu SAA4D95LE-5
    Type Water-cooled, 4-cycle, direct injection
    Aspiration Variable flow, turbocharged, air-to-air aftercooled
    Number of Cylinders 4
    Bore x Stroke 95 mm x 115 mm
    Piston Displacement 3.26 ltr
    Horsepower, Gross - SAE J1995 72 kW
    Horsepower, Net - ISO 9249 / SAE J1349 68 kW
    Rated RPM 2200
  • Hydraulic System

    Type HydrauMind System
    Main pump type Variable capacity piston type
    Pump for Boom, arm, bucket, swing, and travel circuits
    Maximum flow 242 ltr/min
    Hydraulic Motors  
    Travel 2 x piston motor with parking brake
    Swing 1 x piston motor with swing holding brake
    Relief Valve Setting  
    Implement circuits 355 kgf/cm3
    Travel circuit 355 kgf/cm3
    Swing circuit 276 kgf/cm3
    Pilot circuit 33 kgf/cm3


  • Drives and Brakes

    Steering control Two levers with pedals
    Drive method Fully hydrostatic
    Maximum drawbar pull 123 kN 12500 kgf
    Travel speeds 2.9 / 5.1 km/h
  • Swing System

    Swing reduction Planetary gear
    Swing circle lubrication Grease-bathed
    Service brake Hydraulic lock
    Swing lock Wet, multiple-disc brake
    Swing speed 11.0 rpm
    Swing torque  3357 kg.m
  • Undercarriage

    Center frame X-frame leg
    Track frame Box-bathed
    Track type Sealed track
    Track adjuster Combined Spring & Hydraulic roller
    Number of shoes (each side) 43
    Number of carrier rollers (each side) 1
    Number of track rollers (each side) 7
    Shoe size & type 500 mm steel city pattern
  • Coolant & Lubricant capacity

    Fuel tank 195 ltr
    Coolant 12.4 ltr
    Engine 11 ltr
    Final drive, each side 2.5 ltr
    Swing drive 2.5 ltr
    Hydraulic tank 69.0 ltr
  • Weights

    Operating weight 15,025 - 15,170 kg
  • Dimensions (transport position)

    Length, overall (mm) 6800
    Track length on ground (mm) 2880
    Track gauge (mm) 1990
    Overall track width (mm) 2490
    Overall height (mm) 3245
    Ground clearance (mm) 395
  • Operation

    Boom size (m) & type 4.29 standard
    Arm size (m) & type 2.13 standard
    Arm crowd force - ISO (kgf) 7300
    Bucket digging force - ISO (kgf) 9000
    Digging depth - maximum (mm) 4820
    Digging reach - maximum (mm) 7285
    Maximum reach @ ground level 7315
    Swing radius (mm) 1480

PC138US-8OS Excavators

For high productivity and plenty of digging power in confined space – along with a dozer blade for enhanced productivity – our 15.1 tonne 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 Australia-wide service and support network.


Tier 4 Engine KDPF Regeneration
  • 68.4 kW / 92 HP
  • 15,170 kg
  • 0.64 m³

Current Offers

Short Tail Swing Radius

Short tail swing radius of the PC138US-8OS allows the machine to work in more confined areas than a conventional machine.

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