vs.

      Caterpillar 938H vs. Case 621E

      21 reasons to buy Caterpillar 938H:

      Sizes

      Clearance 397 mm and 370 mm 7 % more or 27 mm
      Radius at maximum lifting and unloading 1077 mm and 1013 mm 6 % more or 64 mm

      Shovel

      Bucket capacity with top 2.8 m3 and 2.3 m3 18 % more or 0.5 m3
      Brimmed bucket capacity 2.4 m3 and 2 m3 17 % more or 0.4 m3

      Operation

      Rear axle / differential fluid volume 53 l. and 22 l. 58 % more or 31 l.
      Engine oil volume 17.4 l. and 13.2 l. 24 % more or 4.2 l.
      Static tipping weight 11593 kg and 10603 kg 9 % more or 990 kg
      Transmission fluid volume 43 l. and 18.9 l. 56 % more or 24.1 l.
      Generator current strength 80 amperes and 65 amperes 19 % more or 15 amperes
      Front axle / differential fluid volume 57 l. and 22 l. 61 % more or 35 l.
      Fuel Capacity 247 l. and 246 l. 0 % more or 1 l.

      Motor

      Effective power 134 kW and 109 kW 19 % more or 25 kW
      Full power 147 kW and 116 kW 21 % more or 31 kW
      Power measured at 2200 rev / min and 1800 rev / min 18 % more or 400 rev
      Maximum torque 840 Nm and 689 Nm 18 % more or 151 Nm
      Torque increase 38 % and 33 % 13 % more or 5 %

      Hydraulic system

      Lowering time 2.7 sec and 4.7 sec 43 % less or 2.0 sec
      Pump bandwidth 295 l/min and 171 l/min 42 % more or 124 l/min
      Lifting time 5.4 sec and 6.3 sec 14 % less or 0.9 sec

      Gear box

      Maximum reverse gear 25.5 km/h and 25 km/h 2 % more or 0.5 km/h
      Maximum forward speed 43.2 km/h and 38.6 km/h 11 % more or 4.6 km/h

      6 reasons to buy Case 621E:

      Shovel

      Breakout power 103.4 kN and 122.7 kN 16 % less or 19.3 kN
      Unloading ground clearance at maximum lifting 2801 mm and 2771 mm 1 % more or 30 mm

      Operation

      Hydraulic system fluid volume 147.6 l. and 89 l. 40 % more or 58.6 l.
      Turn radius 5245 mm and 12024 mm 56 % less or 6779 mm

      Motor

      Displacement 6.7 l. and 6.6 l. 1 % more or 0.1 l.

      Hydraulic system

      Unloading time 1.3 sec and 1.4 sec 7 % less or 0.1 sec

      Neutral reasons:

      Sizes

      Height to cab upper part 3356 mm and 3395 mm
      Wheelbase 3020 mm and 2900 mm
      Hinge axis maximum height 3843 mm and 3830 mm
      Length with bucket on ground level 7343 mm and 7384 mm
      Between tyres width 2674 mm and 2523 mm

      Shovel

      Shovel width 2700 mm and 2602 mm

      Operation

      Cooling system fluid volume 36 l. and 36 l.
      Operating voltage 24 V and 24 V
      Rear axle oscillating 24 degrees and 24 degrees
      Tyre size 20.5R25 and 20.5 R25
      Working weight 15059 kg and 12431 kg

      Motor

      Manufacturer Caterpillar and Case
      Cylinders number 6 and 6
      Model 6.6 ACERT and Family IV, 667TA/EDB, III Level III certified

      Hydraulic system

      Type of pump piston pump and in the middle position with locking with pressure / flow compensation
      Overflow valve pressure 6900 kPa and 24822 kPa

      Gear box

      Transmission type powershift transmission and 4 forward / 3 reverse gears proportional with electronic control module
      Forward gears number 4 and 4
      Reverse gears number 3 and 3

      Images

      Sizes

      6. Hinge axis maximum height 3843 mm 6. Hinge axis maximum height 3830 mm
      8. Radius at maximum lifting and unloading 1077 mm 8. Radius at maximum lifting and unloading 1013 mm
      1. Length with bucket on ground level 7343 mm 1. Length with bucket on ground level 7384 mm
      2. Between tyres width 2674 mm 2. Between tyres width 2523 mm
      3. Height to cab upper part 3356 mm 3. Height to cab upper part 3395 mm
      4. Wheelbase 3020 mm 4. Wheelbase 2900 mm
      5. Clearance 397 mm 5. Clearance 370 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2771 mm 7. Unloading ground clearance at maximum lifting 2801 mm