vs.

      Komatsu D21A-3 vs. Komatsu D61EX-15

      1 reasons to buy Komatsu D21A-3:

      Carrier

      Specific ground pressure 28.4 kPa and 53 kPa 46 % less or 24.6 kPa

      10 reasons to buy Komatsu D61EX-15:

      Sizes

      Clearance 395 mm and 310 mm 22 % more or 85 mm

      Operation

      Fuel Capacity 390 l. and 60 l. 85 % more or 330 l.
      Cooling system fluid volume 32 l. and 14 l. 56 % more or 18 l.

      Motor

      Full power 127 kW and 27.6 kW 78 % more or 99.4 kW
      Displacement 6.7 l. and 2.6 l. 61 % more or 4.1 l.
      Cylinders number 6 and 4 33 % more or 2

      Gear box

      Maximum forward speed 8.7 km/h and 6.9 km/h 21 % more or 1.8 km/h
      Maximum reverse gear 11 km/h and 6.4 km/h 42 % more or 4.6 km/h

      Carrier

      Rolling bearings number on either side 7 and 5 29 % more or 2
      Track shoes number per side 40 and 37 7 % more or 3

      Neutral reasons:

      Standard blade

      Width 2300 mm and 3250 mm
      Height 565 mm and 1200 mm

      Sizes

      Length with blade 3450 mm and 5030 mm
      Height to cab upper part 2085 mm and 3150 mm
      Caterpillar track length on ground level 1675 mm and 5030 mm

      Operation

      Working weight 3430 kg and 16710 kg

      Motor

      Manufacturer Komatsu and Komatsu
      Model 4D92-1 and SAA6D107E-1

      Gear box

      Transmission type HS and planetary gear, transmission with multi-plate clutch
      Forward gears number 3 and 3
      Reverse gears number 3 and 3

      Carrier

      Track width 1190 mm and 1900 mm

      Images

      Sizes

      5. Clearance 310 mm 5. Clearance 395 mm
      1. Length with blade 3450 mm 1. Length with blade 5030 mm
      3. Height to cab upper part 2085 mm 3. Height to cab upper part 3150 mm
      4. Caterpillar track length on ground level 1675 mm 4. Caterpillar track length on ground level 5030 mm

      Carrier

      7. Track width 1190 mm 7. Track width 1900 mm