70,235 Kg

Operating Weight

610 HP


18,5 m³

Blade Capacity



Control Features

  • Fully adjustable suspension seat and travel control console
  • Palm command PPC controlled blade control joystick
  • Height adjustable blade control armrest
  • Position adjustable ripper control lever
  • Smooth operation with Power Train Electronical Control System
  • Auto downshift function


  • The Komatsu SAA6D170E-5 engine delivers 474 kW 636 HP at 1800 rpm
  • Hydraulic drive radiator cooling fan
  • Automatic transmission with lockup torque converter
  • High Blade Capacities of 18.5 m3 24.2 yd3 (Semi-U dozer)
  • Two-mode Setting (P mode for maximum power & E mode for energy saving operation) 


  • Engine : Newly high efficient main fuel filter and water separator help protect the engine against dust and water in the fuel
  • The fuel tank is equipped with a high-filtration breather with pressure valve to help prevent dust from entering
  • The hydraulic tank is equipped with a high-filtration breather with pressure valve to help prevent dust from entering

Working Environment

  • Hexagonal pressurized cab
  • Fresh air intake from rear of engine hood
  • Comfortable ride with cab damper mounting and K-Bogie undercarriage
  • New suspension seat provides excellent support and riding comfort


  • Multi-monitor with troubleshooting function to prevent critical machine troubles
  • Centralized service station
  • Oil pressure checking ports
  • Enlarged engine room



Model   Komatsu SAA6D170E-5
Type   4-cycle, water-cooled, direct injection
Aspiration   Turbocharged, aftercooled
Number of cylinders   6
Bore   170 mm
Stroke   170 mm
Piston displacement   23,15 L
SAE J1995 - Gross 474 kW 636 HP
ISO 9249 / SAE J1349 - Net 455 kW 610 HP
Rated rpm   1800 min-1
Fan drive type    Hydraulic
Governor   All speed, mid-range, electronic control


Torqflow Transmission

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


Track roller frame Cylindrical, high-tensile-strength steel construction
Grouser height  Single grouser 93 mm
Ground contact area  46850 cm2
Ground pressure (Tractor) 108 kPa
Number of shoes (each side)


Number of carrier rollers
Number of track rollers (each side)




Final Drives

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

Coolant & Lubricant Refilling Capacity

Fuel tank   1200 L
Coolant   120 L
Engine   86 L
Final drive (each side)​   65 L
Swing drive​   30 x 2 L
Torque converter, transmission, steering system   150 ltr

Operating Weight

Tractor Weight   51800 kg
Operating weight     70235 kg
Ground pressure    147 kPa


  • Alternator, 60A / 24V
  • Back-up alarm
  • Batteries, 170Ah / 2x 12 V
  • Blower cooling fan
  • Color monitor
  • Decelerator pedal
  • Dry-type air cleaner with dust evacuator & dust indicator
  • Final drive case wear guard
  • Hydraulic track adjusters
  • Lighting system (Including four front and two rear lights)
  • Lockup torque converter
  • Muffler with rain cap
  • Radiator reserve tank
  • ROPS brackets
  • Segmented sprocket
  • Shoes, 610 mm single grouser
  • Starting motors, 2 x 7.5kW / 24V
  • Color monitor
  • Torqflow transmission
  • Track roller guards
  • Wet steering clutches