vs.

      Komatsu D21A-7E vs. Komatsu D475A-5SD

      5 reasons to buy Komatsu D475A-5SD:

      Motor

      Displacement 30.5 l. and 2.8 l. 91 % more or 27.7 l.
      Cylinders number 12 and 4 67 % more or 8

      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 7 and 5 29 % more or 2

      Neutral reasons:

      Standard blade

      Width 2170 mm and 6465 mm
      Height 590 mm and 3220 mm

      Sizes

      Length with blade 3400 mm and 10525 mm
      Width between caterpillar tracks 1610 mm and 2770 mm
      Height to cab upper part 2475 mm and 4590 mm

      Operation

      Working weight 3680 kg and 108080 kg

      Motor

      Manufacturer Komatsu and Komatsu
      Model 4D94E and SDA12V140E

      Gear box

      Transmission type HS and Komatsu TORQFLOW transmission

      Carrier

      Standard shoe size 300 mm and 810 mm

      Images

      Sizes

      1. Length with blade 3400 mm 1. Length with blade 10525 mm
      2. Width between caterpillar tracks 1610 mm 2. Width between caterpillar tracks 2770 mm
      3. Height to cab upper part 2475 mm 3. Height to cab upper part 4590 mm

      Carrier

      8. Standard shoe size 300 mm 8. Standard shoe size 810 mm