vs.

      Komatsu D21P-8 vs. Komatsu D475A-5SD

      1 reasons to buy Komatsu D21P-8:

      Carrier

      Specific ground pressure 20.6 kPa and 111 kPa 81 % less or 90.4 kPa

      15 reasons to buy Komatsu D475A-5SD:

      Standard blade

      Cut depth 860 mm and 355 mm 59 % more or 505 mm

      Operation

      Final drive fluid volume 75 l. and 8 l. 89 % more or 67 l.
      Fuel Capacity 1670 l. and 60 l. 96 % more or 1610 l.
      Cooling system fluid volume 275 l. and 10 l. 96 % more or 265 l.
      Engine oil volume 121 l. and 6.6 l. 95 % more or 114.4 l.

      Motor

      Effective power 671 kW and 29.5 kW 96 % more or 641.5 kW
      Displacement 30.5 l. and 3.1 l. 90 % more or 27.4 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
      Maximum forward speed 10.9 km/h and 4.4 km/h 60 % more or 6.5 km/h
      Maximum reverse gear 14.3 km/h and 5.6 km/h 61 % more or 8.7 km/h

      Carrier

      Contact with ground area 7.1 m2 and 1.7 m2 76 % more or 5.4 m2
      Track shoes number per side 40 and 37 7 % more or 3
      Rolling bearings number on either side 7 and 5 29 % more or 2

      Neutral reasons:

      Standard blade

      Width 2560 mm and 6465 mm
      Height 820 mm and 3220 mm

      Sizes

      Length with blade 3365 mm and 10525 mm
      Width between caterpillar tracks 1490 mm and 2770 mm
      Height to cab upper part 2450 mm and 4590 mm

      Operation

      Working weight 4240 kg and 108080 kg

      Motor

      Manufacturer Komatsu and Komatsu
      Model 4D94LE-2 and SDA12V140E
      Aspiration natural aspiration and Turbocharging with subsequent air cooling (by a cooling radiator)

      Gear box

      Transmission type Komatsu transmission Hydro-Gear switching and Komatsu TORQFLOW transmission

      Carrier

      Standard shoe size 510 mm and 810 mm

      Images

      Sizes

      1. Length with blade 3365 mm 1. Length with blade 10525 mm
      2. Width between caterpillar tracks 1490 mm 2. Width between caterpillar tracks 2770 mm
      3. Height to cab upper part 2450 mm 3. Height to cab upper part 4590 mm

      Carrier

      8. Standard shoe size 510 mm 8. Standard shoe size 810 mm