vs.

      Komatsu D21AG-7 vs. Komatsu D31PL-16

      1 reasons to buy Komatsu D21AG-7:

      Motor

      Power measured at 2450 rev / min and 2350 rev / min 4 % more or 100 rev

      6 reasons to buy Komatsu D31PL-16:

      Sizes

      Clearance 385 mm and 300 mm 22 % more or 85 mm

      Motor

      Full power 47 kW and 29.8 kW 37 % more or 17.2 kW
      Displacement 4.3 l. and 2.7 l. 37 % more or 1.6 l.

      Gear box

      Forward gears number 3 and 2 33 % more or 1
      Reverse gears number 3 and 2 33 % more or 1

      Carrier

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

      Neutral reasons:

      Standard blade

      Width 2170 mm and 3380 mm
      Height 590 mm and 545 mm

      Sizes

      Length without blade 2550 mm and 3030 mm
      Length with blade 3400 mm and 3875 mm
      Width between caterpillar tracks 1610 mm and 2950 mm
      Height to cab upper part 2490 mm and 2620 mm
      Caterpillar track length on ground level 1685 mm and 2185 mm

      Operation

      Working weight 3640 kg and 7050 kg

      Motor

      Cylinders number 4 and 4
      Manufacturer Komatsu and Komatsu
      Model 4D95S and 4D105-3

      Gear box

      Transmission type HS and HS

      Carrier

      Caterpillar track pitch 146.5 mm and 154 mm
      Track width 1310 mm and 1900 mm
      Standard shoe size 300 mm and 1050 mm

      Images

      Sizes

      3. Height to cab upper part 2490 mm 3. Height to cab upper part 2620 mm
      4. Caterpillar track length on ground level 1685 mm 4. Caterpillar track length on ground level 2185 mm
      5. Clearance 300 mm 5. Clearance 385 mm
      6. Length without blade 2550 mm 6. Length without blade 3030 mm
      1. Length with blade 3400 mm 1. Length with blade 3875 mm
      2. Width between caterpillar tracks 1610 mm 2. Width between caterpillar tracks 2950 mm

      Carrier

      7. Track width 1310 mm 7. Track width 1900 mm
      8. Standard shoe size 300 mm 8. Standard shoe size 1050 mm