vs.

      Komatsu D45A-1 vs. Komatsu D21A-7E

      5 reasons to buy Komatsu D45A-1:

      Sizes

      Clearance 360 mm and 295 mm 18 % more or 65 mm

      Motor

      Full power 67.1 kW and 29.8 kW 56 % more or 37.3 kW
      Displacement 4 l. and 2.8 l. 30 % more or 1.2 l.

      Gear box

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

      1 reasons to buy Komatsu D21A-7E:

      Motor

      Power measured at 2450 rev / min and 2400 rev / min 2 % more or 50 rev

      Neutral reasons:

      Standard blade

      Width 3150 mm and 2170 mm
      Height 750 mm and 590 mm

      Sizes

      Length without blade 3290 mm and 2560 mm
      Length with blade 4250 mm and 3400 mm
      Width between caterpillar tracks 1940 mm and 1610 mm
      Height to cab upper part 2620 mm and 2475 mm
      Caterpillar track length on ground level 2060 mm and 1685 mm

      Operation

      Working weight 9550 kg and 3680 kg

      Motor

      Manufacturer Komatsu and Komatsu
      Model S4D105-1 and 4D94E
      Cylinders number 4 and 4

      Gear box

      Transmission type TF and HS

      Carrier

      Track width 1540 mm and 1310 mm
      Standard shoe size 400 mm and 300 mm
      Rolling bearings number on either side 5 and 5
      Caterpillar track pitch 175 mm and 135 mm

      Images

      Sizes

      1. Length with blade 4250 mm 1. Length with blade 3400 mm
      2. Width between caterpillar tracks 1940 mm 2. Width between caterpillar tracks 1610 mm
      3. Height to cab upper part 2620 mm 3. Height to cab upper part 2475 mm
      4. Caterpillar track length on ground level 2060 mm 4. Caterpillar track length on ground level 1685 mm
      5. Clearance 360 mm 5. Clearance 295 mm
      6. Length without blade 3290 mm 6. Length without blade 2560 mm

      Carrier

      7. Track width 1540 mm 7. Track width 1310 mm
      8. Standard shoe size 400 mm 8. Standard shoe size 300 mm