SPECIFICATIONS

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  • Engine

    ModelKomatsu 4D88E-7
    TypeWater-cooled, 4-cycle, direct injection
    AspirationCooled EGR
    Number of Cylinders4
    Bore x Stroke88 mm x 90 mm
    Piston Displacement2.189 ltr
    Horsepower, Gross - SAE J199529.1 kW / 39 HP
    Horsepower, Net - ISO 9249 / SAE J134928.3 kW / 38 HP
    Rated RPM2400
    Fan drive methodMechanical
    Emissions certificationEPA Tier 4 Final

  • Hydraulic System

    TypeHydrauMind System
    Number of selectable working modes2
    Main pump typeVariable displacement, axial piston
    Pump forBoom, arm, bucket, and travel circuits
    Maximum flow153.3 ltr/min
    Hydraulic Motors 
    Travel2 x axial piston motors with parking brake
    Swing1 x axial piston motor with swing holding brake
    Relief Valve Setting 
    Implement circuits270 kgf/cm3
    Travel circuit270 kgf/cm3
    Swing circuit220 kgf/cm3
    Pilot circuit32 kgf/cm3
    Hydraulic CylindersBore x Stroke x Rod diameter
    Boom1-90 mm x 691 mm x 50 mm
    Arm1-80 mm x 649 mm x 50 mm
    Bucket1-70 mm x 580 mm x 45 mm

  • Drives and Brakes

    Steering controlTwo levers with pedals
    Drive methodFully hydrostatic
    Maximum drawbar pull42 kN 4280 kgf
    Gradeability30 %
    Travel speeds2.6 / 4.6 km/h
    Service brakeHydraulic lock
    Parking brakeMechanical disc brake

  • Swing System

    Driven byHydrostatic
    Swing reductionPlanetary gear
    Swing circle lubricationGrease-bathed
    Service brakeHydraulic lock
    Swing lockMechanical disc brake
    Swing speed9 rpm

  • Undercarriage

    Center frameX-frame leg
    Track frameBox-section
    Track typeSealed track
    Track adjusterHydraulic
    Number of shoes (each side)39
    Number of carrier rollers (each side)1
    Number of track rollers (each side)4

  • Coolant & Lubricant capacity

    Fuel tank65 ltr
    Coolant8.9 ltr
    Engine8.1 ltr
    Final drive, each side0.7 ltr
    Hydraulic tank55 ltr
    DEF tankNone

  • Weights

    Operating weight4,860 - 4,980 kg

PC45MR-5 Excavators

Now with a new technology Komatsu engine, our PC45MR-5 is ideal for contractors, rental fleets, owner-operators, builders – or anyone who needs a powerful compact excavator for confined conditions. It incorporates features of bigger Komatsu excavators, with key components designed and manufactured by Komatsu to work together in an integrated package. And it’s standard with our Komtrax remote monitoring and location system, backed by our Australia-wide service and support network.

Tier 4 Engine KDPF Regeneration
  • 28.3 kW / 38 HP
    ENGINE POWER
  • 4,980 kg
    OPERATING WEIGHT
  • 0.14 m³
    BUCKET CAPACITY

PC45MR-5 Excavators

Current Offers

Komtrax

Through the web application, a variety of search parameters are available to quickly find information about specific machines based on key factors. Moreover, Komtrax finds out machines with problems from your fleet and shows you through an optimal interface.

Large vertical pin and steel bushing

A large vertical pin and steel bushing are used at the boom foot for improved durability. An abrasion-resistant steel bushing further improves service life.

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