vs.

      Komatsu D51EX-22 vs. Caterpillar D7E Hybrid

      3 reasons to buy Komatsu D51EX-22:

      Motor

      Power measured at 2200 rev / min and 1700 rev / min 23 % more or 500 rev

      Carrier

      Specific ground pressure 44.2 kPa and 68.3 kPa 35 % less or 24.1 kPa
      Track shoes number per side 44 and 40 9 % more or 4

      13 reasons to buy Caterpillar D7E Hybrid:

      Standard blade

      Cut depth 586 mm and 456 mm 22 % more or 130 mm
      Volume 6.9 m3 and 2.7 m3 61 % more or 4.2 m3

      Sizes

      Clearance 472 mm and 390 mm 17 % more or 82 mm

      Operation

      Cooling system fluid volume 87 l. and 35 l. 60 % more or 52 l.
      Engine oil volume 30 l. and 20 l. 33 % more or 10 l.
      Hydraulic system fluid volume 76 l. and 63 l. 17 % more or 13 l.
      Final drive fluid volume 34 l. and 4 l. 88 % more or 30 l.
      Fuel Capacity 409 l. and 270 l. 34 % more or 139 l.

      Motor

      Full power 187.9 kW and 99 kW 47 % more or 88.9 kW
      Effective power 175.2 kW and 97 kW 45 % more or 78.2 kW
      Displacement 9.3 l. and 6.7 l. 28 % more or 2.6 l.

      Hydraulic system

      Pump bandwidth 312 l/min and 99 l/min 68 % more or 213 l/min

      Carrier

      Contact with ground area 3.7 m2 and 2.8 m2 24 % more or 0.9 m2

      Neutral reasons:

      Standard blade

      Width 3045 mm and 3693 mm
      Height 1110 mm and 1524 mm

      Sizes

      Length with blade 4800 mm and 5795 mm
      Width between caterpillar tracks 2300 mm and 2880 mm
      Height to cab upper part 3002 mm and 3392 mm
      Caterpillar track length on ground level 2736 mm and 3016 mm

      Operation

      Working weight 12600 kg and 25704.6 kg

      Motor

      Manufacturer Komatsu and Caterpillar
      Model SAA6D107E-1 and C9.3 Acert

      Hydraulic system

      Overflow valve pressure 27461.8 kPa and 27579 kPa

      Gear box

      Transmission type dual path hydrostatic transmission and Electric

      Carrier

      Standard shoe size 510 mm and 610 mm
      Rolling bearings number on either side 7 and 7
      Track width 1790 mm and 1981 mm

      Images

      Sizes

      1. Length with blade 4800 mm 1. Length with blade 5795 mm
      2. Width between caterpillar tracks 2300 mm 2. Width between caterpillar tracks 2880 mm
      3. Height to cab upper part 3002 mm 3. Height to cab upper part 3392 mm
      4. Caterpillar track length on ground level 2736 mm 4. Caterpillar track length on ground level 3016 mm
      5. Clearance 390 mm 5. Clearance 472 mm

      Carrier

      7. Track width 1790 mm 7. Track width 1981 mm
      8. Standard shoe size 510 mm 8. Standard shoe size 610 mm