vs.

      Komatsu D21P-8 vs. Caterpillar D4H serie II

      2 reasons to buy Komatsu D21P-8:

      Operation

      Final drive fluid volume 8 l. and 6 l. 25 % more or 2 l.

      Carrier

      Specific ground pressure 20.6 kPa and 49.2 kPa 58 % less or 28.6 kPa

      15 reasons to buy Caterpillar D4H serie II:

      Standard blade

      Cut depth 414 mm and 355 mm 14 % more or 59 mm

      Operation

      Fuel Capacity 167 l. and 60 l. 64 % more or 107 l.
      Cooling system fluid volume 27 l. and 10 l. 63 % more or 17 l.
      Engine oil volume 15 l. and 6.6 l. 56 % more or 8.4 l.
      Hydraulic system fluid volume 67.3 l. and 21 l. 69 % more or 46.3 l.

      Motor

      Full power 73.8 kW and 32.2 kW 56 % more or 41.6 kW
      Effective power 70.8 kW and 29.5 kW 58 % more or 41.3 kW
      Displacement 5.2 l. and 3.1 l. 40 % more or 2.1 l.

      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 10.2 km/h and 4.4 km/h 57 % more or 5.8 km/h
      Maximum reverse gear 12.2 km/h and 5.6 km/h 54 % more or 6.6 km/h

      Carrier

      Contact with ground area 2 m2 and 1.7 m2 15 % more or 0.3 m2
      Track shoes number per side 39 and 37 5 % more or 2
      Rolling bearings number on either side 7 and 5 29 % more or 2

      Neutral reasons:

      Standard blade

      Width 2560 mm and 2584 mm
      Height 820 mm and 965 mm

      Sizes

      Width between caterpillar tracks 1490 mm and 2130 mm
      Height to cab upper part 2450 mm and 2986 mm
      Length with blade 3365 mm and 4260 mm

      Operation

      Working weight 4240 kg and 10250 kg

      Motor

      Manufacturer Komatsu and Caterpillar
      Model 4D94LE-2 and 3204
      Cylinders number 4 and 4
      Aspiration natural aspiration and turbocharging

      Gear box

      Transmission type Komatsu transmission Hydro-Gear switching and planetary powershift transmission

      Carrier

      Standard shoe size 510 mm and 460 mm

      Images

      Sizes

      1. Length with blade 3365 mm 1. Length with blade 4260 mm
      2. Width between caterpillar tracks 1490 mm 2. Width between caterpillar tracks 2130 mm
      3. Height to cab upper part 2450 mm 3. Height to cab upper part 2986 mm

      Carrier

      8. Standard shoe size 510 mm 8. Standard shoe size 460 mm