SPECIFICATIONS

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  • Engine

    ModelKomatsu SAA12V140E-3
    TypeFour-cycle, water-cooled, direct injection
    AspirationTurbo-charged, after-cooled
    Number of cylinders12
    Bore x stroke140 mm x 165 mm
    Displacement30.48 ltr
    Horsepower, Gross - SAE J1995671 kW / 899 HP
    Horsepower, Net - ISO 9249 / SAE J1349664 kW / 890 HP
    Rated RPM2000
    Fan drive methodHydraulic
    Emissions certificationEPA Tier 2

  • Coolant & Lubricant Capacity

    Fuel tank1670 ltr
    Coolant210 ltr
    Engine121 ltr
    Torque converter, transmission, bevel gear, and steering system210 ltr
    Final drive (each side)75 ltr

  • Final Drive

    Double-reduction final drive of spur and planetary gear sets to increase tractive effort and reduce gear tooth stresses for long final drive life. Segmented sprocket teeth are bolt-on for easy replacement.

  • Hydraulic System

    Hydraulic Control Unit:
    Closed-center load sensing system (CLSS) designed for precise and responsive control, and for effici
    All spool valves externally mounted beside the hydraulic tank. Plunger type hydraulic pump with capa
    Relief valve setting27.5 MPa 280 kg/cm²
    Control Valves:
    Spool control valves for Semi-U tilt dozer and Full-U tilt dozer.
    Blade liftRaise, hold, lower, and float
    Blade tiltRight, hold, and left
    Spool control valves required for variable digging angle multi-shank ripper.
    Ripper liftRaise, hold, and lower
    Ripper tiltIncrease, hold, and decrease
    Hydraulic Cylinders:
    TypeDouble-acting, piston
    Number of blade lift cylinders2
    Blade lift cylinder bore180 mm
    Number of blade tilt cylinders1
    Blade tilt cylinder bore250 mm
    Number of ripper lift cylinders2
    Ripper lift cylinder bore225 mm
    Number of ripper tilt cylinders2
    Ripper tilt cylinder bore225 mm
    Hydraulic Oil Capacity (Refill):
    Semi-U dozer180 ltr
    U tilt dozer180 ltr
    Ripper Equipment (Additional Volume):
    Giant ripper130 ltr
    Multi-shank ripper130 ltr

  • Operating Weight

    Tractor weight Including rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment. 83590 kg
    Operating weight Including strengthened Full-U tilt dozer, giant ripper, steel cab, ROPS, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank. 108390 kg
    Ground pressure 1.69 kg/cm² / 166 kPa

  • Steering System

    Minimum turning radius4.6 m

  • Torqflow Transmission

    Komatsu TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 1-phase torque converter with lockup clutch and a planetary gear, multiple-disc clutch transmission which is hydraulically actuated and force-lubricated for optimum heat dissipation. Gearshift lock lever and neutral safety switch help prevent accidental starts.

    Gear Forward Reverse
    1st 3.3 km/h 4.2 km/h
    2nd 6.2 km/h 8.0 km/h
    3rd 11.2 km/h 14.0 km/h

  • Undercarriage

    Suspension Oscillating equaliser bar and pivot shaft
    Track roller frame Cylindrical, high-tensile-strength steel construction
    Rollers and idlers Lubricated track rollers
    K-Bogie undercarriage Lubricated track rollers are resiliently mounted to the track frame with a bogie suspension system whose oscillating motion is cushioned by rubber pads.
    Extreme service track shoes Lubricated tracks. Unique seals prevent entry of foreign abrasives into pin to bushing clearances to provide extended service life. Track tension is easily adjusted with grease gun.
    Number of shoes (each side) 41
    Grouser height - single grouser 105 mm
    Shoe width (standard) 710 mm
    Ground contact area 64240 cm2
    Ground pressure (tractor) 128 kPa / 1.30 kg/cm²
    Number of track rollers 8
    Number of carrier rollers 2
    Extreme service shoes: Ground contact area: Ground pressure:

    810 mm

    Additional weight - 920 kg

    		 73290cm² 113 kPa / 1.15 kg/cm²

    910 mm

    Additional weight - 1830 kg

    		 82340 cm² 102 kPa / 1.04 kg/cm² 

D475A-5E0 Dozers

Developed to productively and efficiently move high volumes of material, the 103.5 tonne D475A-5EO mining bulldozer is designed to handling the toughest and most challenging dozing tasks across development, production and stockpile applications. In addition, it offers the highest standards of operator comfort. As with all our dozers, key components are designed and manufactured by Komatsu to work together in an integrated package. And the dozer comes standard with our Komtrax Plus remote monitoring and location system, backed by our Australia-wide service and support network.

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

D475A-5E0 Dozers

Current Offers

Auto Downshift Function

Controller monitors engine speed, travel gear and travel sped. When load is applied and machine travel speed is reduced, the transmission automatically downshifts to optimum gear speed to provide high fuel efficiency. This function provides comfortable operation without manual downshift and high productivity.

Automatic Torque Converter Lockup System

For greater efficiency during long pushes, the lockup mode allows the system to automatically engage the torque converter lockup clutch. Locking up the torque converter transmits all the engine power directly to the transmission, increasing ground speed and thus achieving efficiencies equal to a direct drive. The result is efficient use of engine power, less fuel consumption, and faster cycle times.

K-Bogie Undercarriage System

K-Bogie undercarriage system combines prior advantages with additional features. K-Bogies that oscillate with two fulcrums assure large amount of track roller vertical travel. Impact load to undercarriage components is minimised and durability of components is improved since track rollers are always in contact with track link. 

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