vs.

      Komatsu D20S-3 vs. Komatsu D21S-5

      2 reasons to buy Komatsu D20S-3:

      Operation

      Cooling system fluid volume 14 l. and 13 l. 7 % more or 1 l.
      Maximum speed 7.4 km/h and 4.4 km/h 41 % more or 3.0 km/h

      6 reasons to buy Komatsu D21S-5:

      Sizes

      Ground clearance at full height and unloading 2130 mm and 2060 mm 3 % more or 70 mm
      Width to outside of caterpillar track 1610 mm and 1490 mm 7 % more or 120 mm

      Operation

      Static tipping load 2231.7 kg and 2449.4 kg 9 % less or 217.7 kg
      Breakout force in folded state 35 kN and 39.1 kN 10 % less or 4.1 kN

      Motor

      Effective power 29.1 kW and 26.1 kW 10 % more or 3.0 kW
      Displacement 2.9 l. and 2.6 l. 10 % more or 0.3 l.

      Neutral reasons:

      Sizes

      Radius at high altitude unloading 715 mm and 735 mm
      Length with bucket on ground level 3485 mm and 3560 mm

      Operation

      Working weight 3800 kg and 3830 kg
      Fuel Capacity 60 l. and 60 l.

      Motor

      Manufacturer Komatsu and Komatsu
      Model 4D92-1 and 4D94

      Carrier

      Specific ground pressure 37.2 kPa and 37.2 kPa
      Track width 1150 mm and 1310 mm
      Track shoe width 300 mm and 300 mm
      Rolling bearings number on either side 5 and 5
      Caterpillar track length on ground level 1675 mm and 1685 mm

      Images

      Sizes

      1. Length with bucket on ground level 3485 mm 1. Length with bucket on ground level 3560 mm
      2. Width to outside of caterpillar track 1490 mm 2. Width to outside of caterpillar track 1610 mm
      7. Ground clearance at full height and unloading 2060 mm 7. Ground clearance at full height and unloading 2130 mm
      8. Radius at high altitude unloading 715 mm 8. Radius at high altitude unloading 735 mm

      Carrier

      9. Track width 1150 mm 9. Track width 1310 mm