vs.

      Liebherr LR634 vs. Caterpillar 977L

      6 reasons to buy Liebherr LR634:

      Operation

      Generator current strength 80 amperes and 19 amperes 76 % more or 61 amperes
      Engine oil volume 30 l. and 27.4 l. 9 % more or 2.6 l.
      Static tipping load 14268 kg and 14510 kg 2 % less or 242 kg
      Brimmed bucket capacity 2.5 m3 and 1.8 m3 28 % more or 0.7 m3

      Hydraulic system

      Lifting time 6.4 sec and 7.8 sec 18 % less or 1.4 sec
      Lowering time 2.8 sec and 3.4 sec 18 % less or 0.6 sec

      15 reasons to buy Caterpillar 977L:

      Sizes

      Clearance 510 mm and 458 mm 10 % more or 52 mm
      Ground clearance at full height and unloading 3230 mm and 3058 mm 5 % more or 172 mm
      Width to outside of caterpillar track 2390 mm and 2308 mm 3 % more or 82 mm

      Operation

      Maximum speed 11.3 km/h and 10 km/h 12 % more or 1.3 km/h
      Fuel Capacity 386 l. and 360 l. 7 % more or 26 l.
      Cooling system fluid volume 49.2 l. and 36 l. 27 % more or 13.2 l.
      Each final drive fluid volume 25.6 l. and 20 l. 22 % more or 5.6 l.
      Hydraulic system fluid volume 138 l. and 86 l. 38 % more or 52 l.

      Motor

      Effective power 141.7 kW and 135 kW 5 % more or 6.7 kW
      Displacement 10.5 l. and 7 l. 33 % more or 3.5 l.
      Power measured at 1950 rev / min and 1800 rev / min 8 % more or 150 rev
      Cylinders number 6 and 4 33 % more or 2

      Hydraulic system

      Unloading time 1.6 sec and 2.2 sec 27 % less or 0.6 sec

      Carrier

      Track shoes number per side 39 and 38 3 % more or 1
      Rolling bearings number on either side 7 and 6 14 % more or 1

      Neutral reasons:

      Sizes

      Height to cab upper part 3310 mm and 3330 mm
      Radius at high altitude unloading 1207 mm and 1190 mm
      Length to front of caterpillar track 4867 mm and 4040 mm
      Length with bucket on ground level 6969 mm and 5710 mm

      Operation

      Operating voltage 24 V and 24 V
      Working weight 20794 kg and 21610 kg

      Motor

      Manufacturer Liebherr and Caterpillar
      Model D934 L A6 and 3306
      Aspiration Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging

      Carrier

      Track shoe width 508 mm and 457 mm
      Caterpillar track length on ground level 2564 mm and 2810 mm
      Track width 1800 mm and 1930 mm

      Images

      Sizes

      1. Length with bucket on ground level 6969 mm 1. Length with bucket on ground level 5710 mm
      2. Width to outside of caterpillar track 2308 mm 2. Width to outside of caterpillar track 2390 mm
      3. Height to cab upper part 3310 mm 3. Height to cab upper part 3330 mm
      5. Clearance 458 mm 5. Clearance 510 mm
      7. Ground clearance at full height and unloading 3058 mm 7. Ground clearance at full height and unloading 3230 mm
      8. Radius at high altitude unloading 1207 mm 8. Radius at high altitude unloading 1190 mm

      Carrier

      9. Track width 1800 mm 9. Track width 1930 mm