• Engine

    ModelKomatsu SAA4D95LE-5
    TypeWater-cooled, 4-cycle, direct injection
    AspirationVariable flow, turbocharged, air-to-air aftercooled
    Number of Cylinders4
    Bore x Stroke95 mm x 115 mm
    Piston Displacement3.26 ltr
    Horsepower, Gross - SAE J199572 kW
    Horsepower, Net - ISO 9249 / SAE J134968 kW
    Rated RPM2200
  • Hydraulic System

    TypeHydrauMind System
    Main pump typeVariable capacity piston type
    Pump forBoom, arm, bucket, swing, and travel circuits
    Maximum flow242 ltr/min
    Hydraulic Motors 
    Travel2 x piston motor with parking brake
    Swing1 x piston motor with swing holding brake
    Relief Valve Setting 
    Implement circuits355 kgf/cm3
    Travel circuit355 kgf/cm3
    Swing circuit276 kgf/cm3
    Pilot circuit33 kgf/cm3
  • Drives and Brakes

    Steering controlTwo levers with pedals
    Drive methodFully hydrostatic
    Maximum drawbar pull123 kN 12500 kgf
    Travel speeds2.9 / 5.1 km/h
  • Swing System

    Swing reductionPlanetary gear
    Swing circle lubricationGrease-bathed
    Service brakeHydraulic lock
    Swing lockWet, multiple-disc brake
    Swing speed11.0 rpm
    Swing torque 3357 kg.m
  • Undercarriage

    Center frameX-frame leg
    Track frameBox-bathed
    Track typeSealed track
    Track adjusterCombined 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 & type500 mm steel city pattern
  • Coolant & Lubricant capacity

    Fuel tank195 ltr
    Coolant12.4 ltr
    Engine11 ltr
    Final drive, each side2.5 ltr
    Swing drive2.5 ltr
    Hydraulic tank69.0 ltr
  • Weights

    Operating weight15,025 - 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) & type4.29 standard
    Arm size (m) & type2.13 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 level7315
    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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