vs.

      Komatsu D40A-1 vs. Caterpillar D7R WH serie II

      3 reasons to buy Komatsu D40A-1:

      Motor

      Power measured at 2400 rev / min and 2100 rev / min 12 % more or 300 rev

      Gear box

      Forward gears number 4 and 3 25 % more or 1

      Carrier

      Specific ground pressure 49.4 kPa and 73.7 kPa 33 % less or 24.3 kPa

      9 reasons to buy Caterpillar D7R WH serie II:

      Sizes

      Clearance 416 mm and 360 mm 13 % more or 56 mm

      Operation

      Fuel Capacity 479 l. and 210 l. 56 % more or 269 l.

      Motor

      Full power 192 kW and 59.7 kW 69 % more or 132.3 kW
      Displacement 10.3 l. and 4 l. 61 % more or 6.3 l.
      Cylinders number 6 and 4 33 % more or 2

      Gear box

      Maximum forward speed 10.6 km/h and 9.5 km/h 10 % more or 1.1 km/h
      Maximum reverse gear 13.5 km/h and 7.7 km/h 43 % more or 5.8 km/h

      Carrier

      Track shoes number per side 43 and 37 14 % more or 6
      Rolling bearings number on either side 7 and 5 29 % more or 2

      Neutral reasons:

      Standard blade

      Width 3150 mm and 3690 mm

      Sizes

      Length without blade 3290 mm and 4.7 mm
      Length with blade 4250 mm and 4670 mm
      Width between caterpillar tracks 1940 mm and 2590 mm
      Height to cab upper part 2620 mm and 3430 mm
      Caterpillar track length on ground level 2060 mm and 2880 mm

      Operation

      Working weight 9320 kg and 27920 kg

      Motor

      Manufacturer Komatsu and Caterpillar
      Model S4D105 and 3176C

      Gear box

      Reverse gears number 3 and 3

      Carrier

      Track width 1540 mm and 1980 mm
      Standard shoe size 400 mm and 560 mm

      Images

      Sizes

      1. Length with blade 4250 mm 1. Length with blade 4670 mm
      2. Width between caterpillar tracks 1940 mm 2. Width between caterpillar tracks 2590 mm
      3. Height to cab upper part 2620 mm 3. Height to cab upper part 3430 mm
      4. Caterpillar track length on ground level 2060 mm 4. Caterpillar track length on ground level 2880 mm
      5. Clearance 360 mm 5. Clearance 416 mm
      6. Length without blade 3290 mm 6. Length without blade 4.7 mm

      Carrier

      7. Track width 1540 mm 7. Track width 1980 mm
      8. Standard shoe size 400 mm 8. Standard shoe size 560 mm