vs.

      Komatsu D31P-20 vs. Caterpillar D4K XL

      6 reasons to buy Komatsu D31P-20:

      Operation

      Engine oil volume 14 l. and 11 l. 21 % more or 3 l.

      Motor

      Power measured at 2350 rev / min and 1900 rev / min 19 % more or 450 rev

      Gear box

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

      Carrier

      Specific ground pressure 22.6 kPa and 38.6 kPa 41 % less or 16.0 kPa
      Contact with ground area 2.6 m2 and 2.1 m2 19 % more or 0.5 m2

      9 reasons to buy Caterpillar D4K XL:

      Operation

      Fuel Capacity 195 l. and 115 l. 41 % more or 80 l.
      Cooling system fluid volume 22.4 l. and 22 l. 2 % more or 0.4 l.
      Final drive fluid volume 10 l. and 9.5 l. 5 % more or 0.5 l.

      Motor

      Effective power 62.6 kW and 52.2 kW 17 % more or 10.4 kW
      Displacement 4.4 l. and 3.9 l. 11 % more or 0.5 l.

      Gear box

      Maximum forward speed 9 km/h and 6.5 km/h 28 % more or 2.5 km/h
      Maximum reverse gear 10 km/h and 7.1 km/h 29 % more or 2.9 km/h

      Carrier

      Track shoes number per side 43 and 41 5 % more or 2
      Rolling bearings number on either side 7 and 6 14 % more or 1

      Neutral reasons:

      Operation

      Working weight 6195 kg and 8147 kg

      Motor

      Manufacturer Komatsu and Caterpillar
      Model S4D102E and C4.4 ACERT

      Hydraulic system

      Overflow valve pressure 17200 kPa and 20600 kPa

      Gear box

      Transmission type Hydro-Gear switching and Hydro-Static Transmission

      Carrier

      Standard shoe size 600 mm and 460 mm
      Track width 1450 mm and 1550 mm

      Images

      Carrier

      7. Track width 1450 mm 7. Track width 1550 mm
      8. Standard shoe size 600 mm 8. Standard shoe size 460 mm