vs.

      Komatsu D31PX-21 KOMSTAT II vs. Caterpillar D6R XR

      2 reasons to buy Komatsu D31PX-21 KOMSTAT II:

      Sizes

      Clearance 384 mm and 383 mm 0 % more or 1 mm

      Carrier

      Specific ground pressure 28 kPa and 59.4 kPa 53 % less or 31.4 kPa

      13 reasons to buy Caterpillar D6R XR:

      Standard blade

      Cut depth 473 mm and 380 mm 20 % more or 93 mm

      Operation

      Fuel Capacity 383 l. and 165 l. 57 % more or 218 l.
      Cooling system fluid volume 74 l. and 27 l. 64 % more or 47 l.
      Engine oil volume 27.5 l. and 12.5 l. 55 % more or 15.0 l.
      Hydraulic system fluid volume 76 l. and 47 l. 38 % more or 29 l.
      Final drive fluid volume 13.5 l. and 3.5 l. 74 % more or 10.0 l.

      Motor

      Displacement 10.5 l. and 3.9 l. 63 % more or 6.6 l.
      Cylinders number 6 and 4 33 % more or 2
      Effective power 130.5 kW and 56 kW 57 % more or 74.5 kW

      Gear box

      Maximum reverse gear 15.3 km/h and 8.5 km/h 44 % more or 6.8 km/h
      Maximum forward speed 11.9 km/h and 8.5 km/h 29 % more or 3.4 km/h

      Carrier

      Contact with ground area 3.1 m2 and 2.6 m2 16 % more or 0.5 m2
      Rolling bearings number on either side 7 and 6 14 % more or 1

      Neutral reasons:

      Standard blade

      Width 3200 mm and 3360 mm
      Height 855 mm and 1257 mm

      Sizes

      Length with blade 3995 mm and 5048 mm
      Width between caterpillar tracks 2250 mm and 2440 mm
      Height to cab upper part 2700 mm and 3195 mm

      Operation

      Working weight 7650 kg and 18415.9 kg

      Motor

      Aspiration turbocharging and turbocharging
      Manufacturer Komatsu and Caterpillar
      Model SAA4D102E-2 and 3306

      Hydraulic system

      Overflow valve pressure 20615.3 kPa and 19305.3 kPa

      Gear box

      Reverse gears number 3 and 3
      Transmission type dual path hydrostatic transmission and powershift
      Forward gears number 3 and 3

      Carrier

      Standard shoe size 600 mm and 560 mm
      Track shoes number per side 40 and 40
      Caterpillar track pitch 1650 mm and 203 mm
      Track width 1650 mm and 1880 mm

      Images

      Sizes

      3. Height to cab upper part 2700 mm 3. Height to cab upper part 3195 mm
      5. Clearance 384 mm 5. Clearance 383 mm
      1. Length with blade 3995 mm 1. Length with blade 5048 mm
      2. Width between caterpillar tracks 2250 mm 2. Width between caterpillar tracks 2440 mm

      Carrier

      7. Track width 1650 mm 7. Track width 1880 mm
      8. Standard shoe size 600 mm 8. Standard shoe size 560 mm