SPECIFICATIONS

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  • Engine

    Model Komatsu SAA12V140E-3
    Type Four-cycle, water-cooled, direct injection
    Aspiration Turbo-charged, after-cooled
    Number of cylinders 12
    Bore x stroke 140 mm x 165 mm
    Displacement 30.48 ltr
    Horsepower, Gross - SAE J1995 671 kW / 899 HP
    Horsepower, Net - ISO 9249 / SAE J1349 664 kW / 890 HP
    Rated RPM 2000
    Fan drive method Hydraulic
    Emissions certification EPA Tier 2
  • Coolant & Lubricant Capacity

    Fuel tank 1670 ltr
    Coolant 210 ltr
    Engine 121 ltr
    Torque converter, transmission, bevel gear, and steering system 210 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 efficient simultaneous operation.
    All spool valves externally mounted beside the hydraulic tank. Plunger type hydraulic pump with capacity (discharge flow) of 542 ltr/min for at rated engine rpm.
    Relief valve setting 27.5 MPa
    280 kg/cm²
    Control Valves:
    Spool control valves for Super Dozer
    Blade lift Raise, hold, lower, and float
    Blade tilt Right, hold, and left
    Blade pitch (digging angle) Increase, hold, and decrease
    Hydraulic Cylinders:
    Type Double-acting, piston
    Number of blade lift cylinders 2
    Blade lift cylinder bore 180 mm
    Number of blade tilt and pitch cylinders 2
    Blade tilt and pitch cylinder bore 250 mm
    Hydraulic Oil Capacity (Additional Volume):
    Super dozer 180 ltr
  • Operating Weight

    Tractor weight Including steel cab, rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment. 84510 kg
    Operating weight Including strengthened Super dozer, counterweight, steel cab, ROPS, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank. 113200 kg
    Ground pressure 1.54 kg/cm² / 151 kPa
  • Steering System

    PCCS, joystick controlled, wet multiple-disc steering clutches are spring-loaded and hydraulically released.Wet multiple-disc dteering brakes are spring-actuated, hydraulically released and require no adjustment. Steering clutches and brakes are interconnected for easy, responsive steering

    Minimum turning radius 4.6 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) 810 mm
    Ground contact area 73290 cm2
    Ground pressure (tractor) 112 kPa / 1.14 kg/cm²
    Number of track rollers 8
    Number of carrier rollers 2
    Extreme service shoes: Ground contact area: Ground pressure:

    910 mm

    Additional weight - 1830 kg

    82340 cm² 1.04 kg/cm² / 102 kPa

D475ASD-5E0 Dozers

Developed to meet the need to productively and efficiently move high volumes of material in large-scale mining operations, the 103.5 tonne D475A-5EO Super Dozer features a 45 cu m capacity blade, making it ideal for bulk earthmoving and stockpile applications. As with all our dozers, key components are designed and manufactured by Komatsu to work together in an integrated package. And it comes standard with our KOMTRAX PLUS remote monitoring and location system, backed by our New Zealand-wide service and support network.

  • 664 kW / 890 HP
    ENGINE POWER
  • 113,200 kg
    OPERATING WEIGHT
  • 45 m³
    BLADE CAPACITY

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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