vs.

      Komatsu D50A-17 vs. Komatsu D21A-7

      6 reasons to buy Komatsu D50A-17:

      Sizes

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

      Motor

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

      Gear box

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

      1 reasons to buy Komatsu D21A-7:

      Motor

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

      Neutral reasons:

      Standard blade

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

      Sizes

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

      Operation

      Working weight 12240 kg and 3600 kg

      Motor

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

      Gear box

      Transmission type DD and HS

      Carrier

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

      Images

      Sizes

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

      Carrier

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