SPECIFICATIONS

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  • Engine

    ModelKomatsu SAA4D95LE-7
    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 J199572.6 kW
    Horsepower, Net - ISO 9249 / SAE J134972.5 kW
    Rated RPM2050
    Fan drive methodMechanical with viscous clutch
    Emissions certificationEPA Tier 4

  • Hydraulic System

    TypeHydrauMind System
    Number of selectable working modes6
    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 circuit298 kgf/cm3
    Pilot circuit33 kgf/cm3
    Hydraulic CylindersBore x Stroke x Rod diameter
    Boom2-105 mm x 1055 mm x 70mm
    Arm1-110 mm x 1175 mm x 75 mm
    Bucket1-95 mm x 885 mm x 65 mm

  • Drives and Brakes

    Steering controlTwo levers with pedals
    Drive methodFully hydrostatic
    Maximum drawbar pull123 kN 12500 kgf
    Gradeability70 %
    Travel speeds2.9 / 5.1 km/h
    Service brakeHydraulic lock
    Parking brakeWet, multiple-disc

  • Swing System

    Driven by Hydraulic motor 
    Swing reductionPlanetary gear
    Swing circle lubricationGrease-bathed
    Service brakeHydraulic lock
    Swing lockWet, multiple-disc brake
    Swing speed11.0 rpm
    Swing torque2991 kg.m

  • Undercarriage

    Center frameX-frame leg
    Track frameBox-bathed
    Track typeSealed track
    Track adjusterHydraulic
    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 tank200 ltr
    Coolant17.7 ltr
    Engine11.5 ltr
    Final drive, each side2.1 ltr
    Swing drive2.5 ltr
    Hydraulic tank69.0 ltr
    DEF tank12.6 ltr

  • Weights

    Operating weight15,140 – 15,500 kg

  • Dimensions (transport position)

    Length, overall (mm)7260
    Track length on ground (mm)2880
    Track gauge (mm)1990
    Overall track width (mm)2490
    Overall height (mm)2850
    Ground clearance (mm)395

  • Operation

    Boom size (m) & type4.6 standard
    Arm size (m) & type2.5 standard
    Arm crowd force - ISO (kgf)6300
    Bucket crowd force - ISO (kgf)9500
    Digging depth - maximum (mm)5480
    Digging reach - maximum (mm)8300
    Maximum reach @ ground level8180
    Swing radius (mm)1980

PC138US-11 Excavators

When you need high productivity and plenty of digging power in confined spaces, our PC138US-11 excavator – now powered by a Komatsu low emission Tier 4-Compliant engine – 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
  • 72.5 kW / 97 HP
    ENGINE POWER
  • 15,500 kg
    OPERATING WEIGHT
  • 0.53 m³
    BUCKET CAPACITY

PC138US-11 Excavators

Current Offers

Short Tail Swing Radius

Short tail swing radius of the PC138US-11 allows the machine to work in more confined areas than a conventional machine.

Fuel consumption reduced

Fuel consumption is reduced up to 9% using a temperature controlled viscous fan clutch and improved engine and hydraulic system efficiencies.

Tier 4 Final Engine

New regulations require the reduction of NOx emissions to one tenth or below from the preceding regulations. Komatsu has deployed a new Selective Catalytic  Reduction (SCR) device for use in the PC138US-11

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