vs.

      Caterpillar 966H vs. Case 621EXT

      25 reasons to buy Caterpillar 966H:

      Sizes

      Clearance 496 mm and 370 mm 25 % more or 126 mm
      Radius at maximum lifting and unloading 1294 mm and 1141 mm 12 % more or 153 mm

      Shovel

      Unloading ground clearance at maximum lifting 3086 mm and 2792 mm 10 % more or 294 mm
      Bucket capacity with top 4.3 m3 and 2.3 m3 47 % more or 2.0 m3
      Brimmed bucket capacity 3.6 m3 and 2 m3 44 % more or 1.6 m3

      Operation

      Transmission fluid volume 44 l. and 18.9 l. 57 % more or 25.1 l.
      Front axle / differential fluid volume 64 l. and 22 l. 66 % more or 42 l.
      Engine oil volume 35 l. and 13.2 l. 62 % more or 21.8 l.
      Rear axle / differential fluid volume 64 l. and 22 l. 66 % more or 42 l.
      Cooling system fluid volume 39 l. and 36 l. 8 % more or 3 l.
      Static tipping weight 17394 kg and 10603 kg 39 % more or 6791 kg
      Generator current strength 80 amperes and 65 amperes 19 % more or 15 amperes
      Fuel Capacity 380 l. and 246 l. 35 % more or 134 l.

      Motor

      Effective power 195 kW and 109 kW 44 % more or 86 kW
      Full power 213 kW and 116 kW 46 % more or 97 kW
      Displacement 11.1 l. and 6.7 l. 40 % more or 4.4 l.
      Torque measured at 1400 rev / min and 1300 rev / min 7 % more or 100 rev
      Maximum torque 1215 Nm and 689 Nm 43 % more or 526 Nm
      Torque increase 38 % and 33 % 13 % more or 5 %

      Hydraulic system

      Pump bandwidth 305 l/min and 171 l/min 44 % more or 134 l/min
      Lifting time 5.9 sec and 6.3 sec 6 % less or 0.4 sec
      Unloading time 1.6 sec and 1.7 sec 6 % less or 0.1 sec
      Lowering time 2.4 sec and 4.7 sec 49 % less or 2.3 sec

      Gear box

      Maximum reverse gear 37.4 km/h and 25 km/h 33 % more or 12.4 km/h
      Reverse gears number 4 and 3 25 % more or 1

      4 reasons to buy Case 621EXT:

      Shovel

      Breakout power 108.1 kN and 188 kN 42 % less or 79.9 kN

      Operation

      Hydraulic system fluid volume 147.6 l. and 110 l. 25 % more or 37.6 l.
      Turn radius 5245 mm and 7367 mm 29 % less or 2122 mm

      Gear box

      Maximum forward speed 38.6 km/h and 37.4 km/h 3 % more or 1.2 km/h

      Neutral reasons:

      Sizes

      Length with bucket on ground level 8855 mm and 7593 mm
      Between tyres width 2956 mm and 2523 mm
      Height to cab upper part 3600 mm and 3395 mm
      Wheelbase 3450 mm and 2900 mm
      Hinge axis maximum height 4224 mm and 3956 mm

      Shovel

      Shovel width 3220 mm and 2602 mm

      Operation

      Operating voltage 24 V and 24 V
      Rear axle oscillating 26 degrees and 24 degrees
      Tyre size 26.5-25 and 20.5 R25
      Working weight 23698 kg and 13022.2 kg

      Motor

      Manufacturer Caterpillar and Case
      Model C11 ACERT and Family IV, 667TA/EDB, III Level III certified
      Power measured at 1800 rev / min and 1800 rev / min
      Cylinders number 6 and 6
      Aspiration turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator)

      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

      Images

      Sizes

      1. Length with bucket on ground level 8855 mm 1. Length with bucket on ground level 7593 mm
      2. Between tyres width 2956 mm 2. Between tyres width 2523 mm
      3. Height to cab upper part 3600 mm 3. Height to cab upper part 3395 mm
      4. Wheelbase 3450 mm 4. Wheelbase 2900 mm
      5. Clearance 496 mm 5. Clearance 370 mm
      6. Hinge axis maximum height 4224 mm 6. Hinge axis maximum height 3956 mm
      8. Radius at maximum lifting and unloading 1294 mm 8. Radius at maximum lifting and unloading 1141 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 3086 mm 7. Unloading ground clearance at maximum lifting 2792 mm