vs.

      Komatsu D31P-17 vs. Caterpillar D7R serie II

      3 reasons to buy Komatsu D31P-17:

      Motor

      Power measured at 2350 rev / min and 2100 rev / min 11 % more or 250 rev

      Carrier

      Specific ground pressure 21.5 kPa and 75 kPa 71 % less or 53.5 kPa
      Track shoes number per side 41 and 40 2 % more or 1

      11 reasons to buy Caterpillar D7R serie II:

      Standard blade

      Volume 6.9 m3 and 1.5 m3 78 % more or 5.4 m3
      Cut depth 527 mm and 335 mm 36 % more or 192 mm

      Sizes

      Clearance 416 mm and 380 mm 9 % more or 36 mm

      Operation

      Fuel Capacity 479 l. and 115 l. 76 % more or 364 l.
      Cooling system fluid volume 77.4 l. and 22 l. 72 % more or 55.4 l.

      Motor

      Full power 192 kW and 50.7 kW 74 % more or 141.3 kW
      Displacement 10.3 l. and 4.3 l. 58 % more or 6.0 l.
      Cylinders number 6 and 4 33 % more or 2

      Gear box

      Maximum forward speed 10.5 km/h and 6.5 km/h 38 % more or 4.0 km/h
      Maximum reverse gear 13.6 km/h and 7.1 km/h 48 % more or 6.5 km/h

      Carrier

      Rolling bearings number on either side 7 and 6 14 % more or 1

      Neutral reasons:

      Standard blade

      Width 2435 mm and 3693 mm
      Height 790 mm and 1524 mm

      Sizes

      Length without blade 3020 mm and 4736 mm
      Height to cab upper part 2705 mm and 3372 mm
      Length with blade 3845 mm and 5690 mm
      Caterpillar track length on ground level 2185 mm and 2878 mm
      Width between caterpillar tracks 2050 mm and 2540 mm

      Operation

      Working weight 6700 kg and 25304 kg

      Motor

      Model 4D105-5 and 3176C
      Manufacturer Komatsu and Caterpillar

      Gear box

      Reverse gears number 3 and 3
      Transmission type HS and Hydro-Static Transmission
      Forward gears number 3 and 3

      Carrier

      Standard shoe size 600 mm and 560 mm
      Caterpillar track pitch 154 mm and 216 mm
      Track width 1450 mm and 1980 mm

      Images

      Sizes

      3. Height to cab upper part 2705 mm 3. Height to cab upper part 3372 mm
      4. Caterpillar track length on ground level 2185 mm 4. Caterpillar track length on ground level 2878 mm
      5. Clearance 380 mm 5. Clearance 416 mm
      6. Length without blade 3020 mm 6. Length without blade 4736 mm
      1. Length with blade 3845 mm 1. Length with blade 5690 mm
      2. Width between caterpillar tracks 2050 mm 2. Width between caterpillar tracks 2540 mm

      Carrier

      7. Track width 1450 mm 7. Track width 1980 mm
      8. Standard shoe size 600 mm 8. Standard shoe size 560 mm