vs.

      Liebherr PR742B M vs. Komatsu D31EX-21 KOMSTAT II

      12 reasons to buy Liebherr PR742B M:

      Standard blade

      Cut depth 600 mm and 385 mm 36 % more or 215 mm

      Sizes

      Clearance 482 mm and 384 mm 20 % more or 98 mm

      Operation

      Fuel Capacity 450 l. and 165 l. 63 % more or 285 l.
      Cooling system fluid volume 62 l. and 27 l. 56 % more or 35 l.
      Engine oil volume 22 l. and 12.5 l. 43 % more or 9.5 l.
      Hydraulic system fluid volume 189 l. and 47 l. 75 % more or 142 l.
      Final drive fluid volume 23 l. and 3.5 l. 85 % more or 19.5 l.

      Motor

      Displacement 10 l. and 3.9 l. 61 % more or 6.1 l.
      Effective power 174.5 kW and 56 kW 68 % more or 118.5 kW

      Gear box

      Maximum forward speed 10.9 km/h and 8.5 km/h 22 % more or 2.4 km/h

      Carrier

      Rolling bearings number on either side 8 and 5 37 % more or 3
      Contact with ground area 5.3 m2 and 1.6 m2 70 % more or 3.7 m2

      3 reasons to buy Komatsu D31EX-21 KOMSTAT II:

      Gear box

      Reverse gears number 3 and 2 33 % more or 1
      Maximum reverse gear 8.5 km/h and 7.9 km/h 7 % more or 0.6 km/h

      Carrier

      Specific ground pressure 43 kPa and 45.1 kPa 5 % less or 2.1 kPa

      Neutral reasons:

      Sizes

      Length with blade 5770 mm and 4015 mm
      Width between caterpillar tracks 2992 mm and 1850 mm
      Height to cab upper part 3305 mm and 2700 mm
      Caterpillar track length on ground level 3275 mm and 2010 mm

      Operation

      Working weight 24584.7 kg and 7130 kg

      Motor

      Aspiration turbocharging and turbocharging and subsequent cooling of charging air by oncoming air flow
      Manufacturer Liebherr and Komatsu
      Model D 926 TI-E and SAA4D102E-2

      Hydraulic system

      Overflow valve pressure 15995.8 kPa and 20615.3 kPa

      Gear box

      Forward gears number 3 and 3

      Carrier

      Track width 2180 mm and 1450 mm
      Standard shoe size 812.8 mm and 400 mm

      Images

      Sizes

      1. Length with blade 5770 mm 1. Length with blade 4015 mm
      2. Width between caterpillar tracks 2992 mm 2. Width between caterpillar tracks 1850 mm
      3. Height to cab upper part 3305 mm 3. Height to cab upper part 2700 mm
      4. Caterpillar track length on ground level 3275 mm 4. Caterpillar track length on ground level 2010 mm
      5. Clearance 482 mm 5. Clearance 384 mm

      Carrier

      8. Standard shoe size 812.8 mm 8. Standard shoe size 400 mm
      7. Track width 2180 mm 7. Track width 1450 mm