vs.

      Caterpillar 939C vs. Komatsu D21S-5

      8 reasons to buy Caterpillar 939C:

      Sizes

      Width to outside of caterpillar track 1955 mm and 1610 mm 18 % more or 345 mm
      Clearance 368 mm and 310 mm 16 % more or 58 mm
      Ground clearance at full height and unloading 2667 mm and 2130 mm 20 % more or 537 mm

      Operation

      Fuel Capacity 157 l. and 60 l. 62 % more or 97 l.
      Cooling system fluid volume 21 l. and 13 l. 38 % more or 8 l.

      Motor

      Effective power 67.9 kW and 29.1 kW 57 % more or 38.8 kW
      Displacement 5 l. and 2.9 l. 42 % more or 2.1 l.

      Carrier

      Rolling bearings number on either side 6 and 5 17 % more or 1

      3 reasons to buy Komatsu D21S-5:

      Operation

      Static tipping load 2231.7 kg and 6607 kg 66 % less or 4375.3 kg
      Breakout force in folded state 35 kN and 89.9 kN 61 % less or 54.9 kN

      Carrier

      Specific ground pressure 37.2 kPa and 53.7 kPa 31 % less or 16.5 kPa

      Neutral reasons:

      Sizes

      Radius at high altitude unloading 866 mm and 735 mm
      Length with bucket on ground level 4359 mm and 3560 mm
      Height to cab upper part 2766 mm and 2140 mm

      Operation

      Working weight 9484 kg and 3830 kg

      Motor

      Manufacturer Caterpillar and Komatsu
      Model 3046T and 4D94

      Carrier

      Track shoe width 406 mm and 300 mm
      Caterpillar track length on ground level 2145 mm and 1685 mm
      Track width 1549 mm and 1310 mm

      Images

      Sizes

      1. Length with bucket on ground level 4359 mm 1. Length with bucket on ground level 3560 mm
      2. Width to outside of caterpillar track 1955 mm 2. Width to outside of caterpillar track 1610 mm
      3. Height to cab upper part 2766 mm 3. Height to cab upper part 2140 mm
      5. Clearance 368 mm 5. Clearance 310 mm
      7. Ground clearance at full height and unloading 2667 mm 7. Ground clearance at full height and unloading 2130 mm
      8. Radius at high altitude unloading 866 mm 8. Radius at high altitude unloading 735 mm

      Carrier

      9. Track width 1549 mm 9. Track width 1310 mm