vs.

      Komatsu D21A-8 vs. Caterpillar D9T

      1 reasons to buy Komatsu D21A-8:

      Carrier

      Specific ground pressure 32.9 kPa and 110.9 kPa 70 % less or 78.0 kPa

      16 reasons to buy Caterpillar D9T:

      Standard blade

      Cut depth 606 mm and 355 mm 41 % more or 251 mm

      Operation

      Fuel Capacity 889 l. and 60 l. 93 % more or 829 l.
      Cooling system fluid volume 104 l. and 10 l. 90 % more or 94 l.
      Engine oil volume 38 l. and 6.6 l. 83 % more or 31.4 l.
      Hydraulic system fluid volume 89 l. and 21 l. 76 % more or 68 l.
      Final drive fluid volume 15 l. and 6 l. 60 % more or 9 l.

      Motor

      Full power 346 kW and 32.2 kW 91 % more or 313.8 kW
      Effective power 306 kW and 29.5 kW 90 % more or 276.5 kW
      Displacement 18.1 l. and 3.1 l. 83 % more or 15.0 l.

      Gear box

      Reverse gears number 3 and 2 33 % more or 1
      Maximum forward speed 11.7 km/h and 4.4 km/h 62 % more or 7.3 km/h
      Maximum reverse gear 14.3 km/h and 5.6 km/h 61 % more or 8.7 km/h
      Forward gears number 3 and 2 33 % more or 1

      Carrier

      Track shoes number per side 43 and 37 14 % more or 6
      Rolling bearings number on either side 8 and 5 37 % more or 3
      Contact with ground area 4.2 m2 and 1 m2 76 % more or 3.2 m2

      Neutral reasons:

      Standard blade

      Width 2170 mm and 4310 mm
      Height 820 mm and 1934 mm

      Sizes

      Length with blade 3365 mm and 6630 mm
      Width between caterpillar tracks 1310 mm and 2865 mm
      Height to cab upper part 2450 mm and 3815 mm

      Operation

      Working weight 3940 kg and 47900 kg

      Motor

      Model 4D94LE-2 and C18 ACERT
      Manufacturer Komatsu and Caterpillar

      Gear box

      Transmission type Komatsu transmission Hydro-Gear switching and powershift

      Carrier

      Standard shoe size 300 mm and 610 mm

      Images

      Sizes

      1. Length with blade 3365 mm 1. Length with blade 6630 mm
      2. Width between caterpillar tracks 1310 mm 2. Width between caterpillar tracks 2865 mm
      3. Height to cab upper part 2450 mm 3. Height to cab upper part 3815 mm

      Carrier

      8. Standard shoe size 300 mm 8. Standard shoe size 610 mm