vs.

      Caterpillar D9R vs. Komatsu D37EX-21 KOMSTAT II

      12 reasons to buy Caterpillar D9R:

      Standard blade

      Cut depth 606 mm and 385 mm 36 % more or 221 mm

      Sizes

      Clearance 591 mm and 384 mm 35 % more or 207 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 165 l. 80 % more or 652.6 l.
      Engine oil volume 45.4 l. and 12.5 l. 72 % more or 32.9 l.
      Hydraulic system fluid volume 71.9 l. and 47 l. 35 % more or 24.9 l.

      Motor

      Displacement 18 l. and 3.9 l. 78 % more or 14.1 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

      1 reasons to buy Komatsu D37EX-21 KOMSTAT II:

      Carrier

      Specific ground pressure 40 kPa and 110.9 kPa 64 % less or 70.9 kPa

      Neutral reasons:

      Standard blade

      Width 4650 mm and 2720 mm
      Height 1934 mm and 860 mm

      Sizes

      Length with blade 7180 mm and 4015 mm
      Width between caterpillar tracks 2930 mm and 1850 mm
      Height to cab upper part 3820 mm and 2700 mm
      Caterpillar track length on ground level 3470 mm and 2240 mm

      Operation

      Working weight 49567 kg and 6010 kg

      Motor

      Manufacturer Caterpillar and Komatsu
      Model 3408ETA and SAA4D102E-2

      Gear box

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

      Carrier

      Standard shoe size 610 mm and 400 mm
      Track width 2250 mm and 1450 mm

      Images

      Sizes

      1. Length with blade 7180 mm 1. Length with blade 4015 mm
      2. Width between caterpillar tracks 2930 mm 2. Width between caterpillar tracks 1850 mm
      3. Height to cab upper part 3820 mm 3. Height to cab upper part 2700 mm
      4. Caterpillar track length on ground level 3470 mm 4. Caterpillar track length on ground level 2240 mm
      5. Clearance 591 mm 5. Clearance 384 mm

      Carrier

      7. Track width 2250 mm 7. Track width 1450 mm
      8. Standard shoe size 610 mm 8. Standard shoe size 400 mm