vs.

      Komatsu D21A-7 vs. Komatsu D50A-17

      1 reasons to buy Komatsu D21A-7:

      Motor

      Power measured at 2450 rev / min and 1750 rev / min 29 % more or 700 rev

      6 reasons to buy Komatsu D50A-17:

      Sizes

      Clearance 315 mm and 295 mm 6 % more or 20 mm

      Motor

      Displacement 11 l. and 2.7 l. 75 % more or 8.3 l.
      Cylinders number 6 and 4 33 % more or 2
      Full power 92.5 kW and 29.8 kW 68 % more or 62.7 kW

      Gear box

      Forward gears number 5 and 2 60 % more or 3
      Reverse gears number 4 and 2 50 % more or 2

      Neutral reasons:

      Standard blade

      Width 2170 mm and 3745 mm
      Height 590 mm and 875 mm

      Sizes

      Height to cab upper part 2475 mm and 2900 mm
      Caterpillar track length on ground level 1685 mm and 2200 mm
      Length with blade 3400 mm and 4765 mm
      Width between caterpillar tracks 1610 mm and 2340 mm

      Operation

      Working weight 3600 kg and 12240 kg

      Motor

      Manufacturer Komatsu and Komatsu
      Model 4D95S and 6D125-1

      Gear box

      Transmission type HS and DD

      Carrier

      Caterpillar track pitch 135 mm and 175 mm
      Track width 1310 mm and 1880 mm
      Standard shoe size 300 mm and 460 mm
      Rolling bearings number on either side 5 and 5

      Images

      Sizes

      1. Length with blade 3400 mm 1. Length with blade 4765 mm
      2. Width between caterpillar tracks 1610 mm 2. Width between caterpillar tracks 2340 mm
      3. Height to cab upper part 2475 mm 3. Height to cab upper part 2900 mm
      4. Caterpillar track length on ground level 1685 mm 4. Caterpillar track length on ground level 2200 mm
      5. Clearance 295 mm 5. Clearance 315 mm

      Carrier

      7. Track width 1310 mm 7. Track width 1880 mm
      8. Standard shoe size 300 mm 8. Standard shoe size 460 mm