vs.

      Komatsu D21PG-6A vs. Komatsu D455A-1

      2 reasons to buy Komatsu D21PG-6A:

      Motor

      Power measured at 2450 rev / min and 2000 rev / min 18 % more or 450 rev

      Carrier

      Track shoes number per side 67 and 37 45 % more or 30

      6 reasons to buy Komatsu D455A-1:

      Sizes

      Clearance 540 mm and 365 mm 32 % more or 175 mm

      Motor

      Displacement 28 l. and 2.7 l. 90 % more or 25.3 l.
      Full power 462.3 kW and 29.8 kW 94 % more or 432.5 kW

      Gear box

      Forward gears number 4 and 2 50 % more or 2
      Reverse gears number 4 and 2 50 % more or 2

      Carrier

      Rolling bearings number on either side 7 and 5 29 % more or 2

      Neutral reasons:

      Standard blade

      Width 2560 mm and 4800 mm
      Height 590 mm and 2135 mm

      Sizes

      Height to cab upper part 2510 mm and 4430 mm
      Caterpillar track length on ground level 1685 mm and 3910 mm
      Length without blade 2550 mm and 6215 mm
      Length with blade 3385 mm and 11130 mm
      Width between caterpillar tracks 1990 mm and 3480 mm

      Operation

      Working weight 4030 kg and 71500 kg

      Motor

      Manufacturer Komatsu and Komatsu
      Model 4D95S-W and VTA1710-C800

      Gear box

      Transmission type HS and TF

      Carrier

      Caterpillar track pitch 146.5 mm and 317.5 mm
      Track width 1490 mm and 2650 mm
      Standard shoe size 500 mm and 760 mm

      Images

      Sizes

      3. Height to cab upper part 2510 mm 3. Height to cab upper part 4430 mm
      4. Caterpillar track length on ground level 1685 mm 4. Caterpillar track length on ground level 3910 mm
      5. Clearance 365 mm 5. Clearance 540 mm
      6. Length without blade 2550 mm 6. Length without blade 6215 mm
      1. Length with blade 3385 mm 1. Length with blade 11130 mm
      2. Width between caterpillar tracks 1990 mm 2. Width between caterpillar tracks 3480 mm

      Carrier

      7. Track width 1490 mm 7. Track width 2650 mm
      8. Standard shoe size 500 mm 8. Standard shoe size 760 mm