vs.

      Komatsu D31EX-22 vs. Caterpillar D9R

      2 reasons to buy Komatsu D31EX-22:

      Motor

      Power measured at 2200 rev / min and 1900 rev / min 14 % more or 300 rev

      Carrier

      Specific ground pressure 46.1 kPa and 110.9 kPa 58 % less or 64.8 kPa

      14 reasons to buy Caterpillar D9R:

      Standard blade

      Volume 16.4 m3 and 1.6 m3 90 % more or 14.8 m3
      Cut depth 606 mm and 390 mm 36 % more or 216 mm

      Sizes

      Clearance 591 mm and 315 mm 47 % more or 276 mm

      Operation

      Final drive fluid volume 18.9 l. and 3.5 l. 81 % more or 15.4 l.
      Fuel Capacity 817.6 l. and 195 l. 76 % more or 622.6 l.
      Engine oil volume 45.4 l. and 11 l. 76 % more or 34.4 l.
      Hydraulic system fluid volume 71.9 l. and 60 l. 17 % more or 11.9 l.

      Motor

      Full power 305.7 kW and 59.7 kW 80 % more or 246.0 kW
      Displacement 18 l. and 3.3 l. 82 % more or 14.7 l.
      Cylinders number 8 and 4 50 % more or 4

      Gear box

      Maximum forward speed 11.9 km/h and 8.5 km/h 29 % more or 3.4 km/h
      Maximum reverse gear 14.6 km/h and 8.5 km/h 42 % more or 6.1 km/h

      Carrier

      Contact with ground area 4.2 m2 and 1.8 m2 57 % more or 2.4 m2
      Rolling bearings number on either side 8 and 6 25 % more or 2

      Neutral reasons:

      Standard blade

      Width 2550 mm and 4650 mm
      Height 840 mm and 1934 mm

      Sizes

      Length with blade 4175 mm and 7180 mm
      Width between caterpillar tracks 1910 mm and 2930 mm
      Height to cab upper part 2760 mm and 3820 mm
      Caterpillar track length on ground level 2185 mm and 3470 mm

      Operation

      Operating voltage 24 V and 24 V
      Working weight 8190 kg and 49567 kg

      Motor

      Manufacturer Komatsu and Caterpillar
      Model SAA4D95LE-5 and 3408ETA

      Gear box

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

      Carrier

      Standard shoe size 400 mm and 610 mm
      Track width 1510 mm and 2250 mm

      Images

      Sizes

      1. Length with blade 4175 mm 1. Length with blade 7180 mm
      2. Width between caterpillar tracks 1910 mm 2. Width between caterpillar tracks 2930 mm
      3. Height to cab upper part 2760 mm 3. Height to cab upper part 3820 mm
      4. Caterpillar track length on ground level 2185 mm 4. Caterpillar track length on ground level 3470 mm
      5. Clearance 315 mm 5. Clearance 591 mm

      Carrier

      7. Track width 1510 mm 7. Track width 2250 mm
      8. Standard shoe size 400 mm 8. Standard shoe size 610 mm