vs.

      Komatsu D31Q-20 vs. Komatsu D21Q-5

      6 reasons to buy Komatsu D31Q-20:

      Sizes

      Width to outside of caterpillar track 2250 mm and 2000 mm 11 % more or 250 mm
      Ground clearance at full height and unloading 2640 mm and 2235 mm 15 % more or 405 mm

      Operation

      Fuel Capacity 115 l. and 60 l. 48 % more or 55 l.
      Maximum speed 6.5 km/h and 4.4 km/h 32 % more or 2.1 km/h

      Motor

      Effective power 52 kW and 29.1 kW 44 % more or 22.9 kW
      Displacement 3.9 l. and 2.9 l. 26 % more or 1.0 l.

      3 reasons to buy Komatsu D21Q-5:

      Operation

      Static tipping load 2340.5 kg and 4430 kg 47 % less or 2089.5 kg
      Breakout force in folded state 39.8 kN and 66.7 kN 40 % less or 26.9 kN

      Carrier

      Specific ground pressure 23.5 kPa and 30.4 kPa 23 % less or 6.9 kPa

      Neutral reasons:

      Sizes

      Length with bucket on ground level 3990 mm and 3445 mm
      Height to cab upper part 2695 mm and 2185 mm
      Radius at high altitude unloading 750 mm and 660 mm

      Operation

      Working weight 7120 kg and 4141.3 kg

      Motor

      Manufacturer Komatsu and Komatsu
      Model S4D102E and 4D94

      Carrier

      Track shoe width 600 mm and 510 mm
      Rolling bearings number on either side 5 and 5
      Caterpillar track length on ground level 1880 mm and 1685 mm
      Track width 1650 mm and 1490 mm

      Images

      Sizes

      1. Length with bucket on ground level 3990 mm 1. Length with bucket on ground level 3445 mm
      2. Width to outside of caterpillar track 2250 mm 2. Width to outside of caterpillar track 2000 mm
      3. Height to cab upper part 2695 mm 3. Height to cab upper part 2185 mm
      7. Ground clearance at full height and unloading 2640 mm 7. Ground clearance at full height and unloading 2235 mm
      8. Radius at high altitude unloading 750 mm 8. Radius at high altitude unloading 660 mm

      Carrier

      9. Track width 1650 mm 9. Track width 1490 mm