SPECIFICATIONS

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  • Engine

    ModelKomatsu SAA6D107E-1
    Type4-cycle, water-cooled, direct injection
    AspirationTurbocharged, after-cooled diesel
    Number of Cylinders6
    bore x stroke107 mm x 124 mm
    Horsepower, Gross - SAE J199599 kW / 133 HP
    Horsepower, Net - ISO 9249 / SAE J134997 kW / 130 HP
    Rated RPM2200
    Piston displacement6.69 ltr
    Fan drive typeHydraulic
    Lubrication systemGear pump
    Emissions certificationEPA Tier 3

  • Hydraulic System

    TypeClosed-centre load sensing system
    Maximum pump flow99 ltr/min
    Relief valve setting27.6 bar
    Hydraulic cylinderNo. of cylinders x bore
    Blade lift2 x 90 mm
    Blade tilt1 x 100 mm
    Blade angle2 x 90 mm
    Ripper lift1 x 110 mm

  • Hydrostatic Transmission

    TypeDual-path, hydrostatic transmission System
    Travel motorVariable capacity
    Travel speeds 
    Forward0 - 9 km/h
    Reverse0 - 9 km/h

  • Final drives

    TypeTwo-stage planetary gear
    SprocketBolted on Segmented sprocket teeth

  • Steering system

    TypeHydrostatic Steering system
    Minimum turning radius1.81 - 1.89 m

  • Undercarriage

    SuspensionOscillating equaliser bar and piv shaft
    Track roller frameMonocoque, large section, durable construction
    Rollers and idlersLubricated track rollers
    Number of track rollers (each side)7
    Type of shoesSingle grouser
    Number of shoes (each side)44
    Shoe width560 - 710 mm

  • Coolant & Lubricant capacity

    Coolant35 ltr
    Fuel tank270 ltr
    Engine oil20 ltr
    Hydraulic tank63 ltr
    Final drive (each side)4.0 ltr
    DEF tankNone

  • Weights

    Operating weight12,710 - 13,100 kg

D51EX/PX-22 Dozers

Unrivalled visibility. High efficiency.

The D51EX/PX-22 bulldozer, 13.22 - 13.77 tonne, is offered in standard and low-ground-pressure undercarriage versions. Its forward-sloping bonnet design ensures exceptional visibility of the working area, complemented by a highly efficient hydrostatic transmission.

Applications include civil construction, local government and various other sectors.

As with all our dozers, Komatsu designs and manufactures key components to work together in an integrated package.  Komtrax remote monitoring and location system is included as a standard.  

Our Australia-wide service and support network is backed by our dedicated team of experts.

For new and used dozers for sale, request a quote below.

  • 97 kW / 130 HP
    ENGINE POWER
  • 12,710 kg
    OPERATING WEIGHT
  • 2.9 m³
    BLADE CAPACITY

D51EX/PX-22 Dozers

Current Offers

Highly Efficient Hydrostatic Driveline

The hydrostatic driveline is a key factor in the performance of the D51EX/PX-22 dozer. It supplies high drawbar pull when needed and a highly fuel efficient drive line for grading and precision work. With a choice between two operating modes, the operator can select either "quick-shift" or "variable speed" to match a complete range of applications in the most economic and easy way.

Efficient Hydrostatic Engine Cooling Fan

The cooling fan always runs at the lowest convenient speed. Rotation and velocity are electronically adjusted based on the temperature of the engine coolant and hydraulic oil. This reduces fuel consumption and operating noise levels, and requires less horsepower than a belt-driven fan. For extra efficiency, the fan also has a large air outlet surface, and the complete inlet area is protected by a fine grid to prevent small particles from entering the fan area.

Easy Operation Control

The ergonomic Palm Command Control System (PCCS) provides efficient and comfortable steering of the machine, and the blade control joystick utilises Proportional Pressure Control (PPC) for precise operations, excellent and easy grading jobs - and improved productivity.

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