vs.

      Caterpillar 924F vs. Case 621EXT

      5 reasons to buy Caterpillar 924F:

      Operation

      Transmission fluid volume 23 l. and 18.9 l. 18 % more or 4.1 l.

      Motor

      Power measured at 2400 rev / min and 1800 rev / min 25 % more or 600 rev

      Hydraulic system

      Lifting time 4.3 sec and 6.3 sec 32 % less or 2.0 sec
      Unloading time 1.3 sec and 1.7 sec 24 % less or 0.4 sec
      Lowering time 2.7 sec and 4.7 sec 43 % less or 2.0 sec

      18 reasons to buy Case 621EXT:

      Sizes

      Radius at maximum lifting and unloading 1141 mm and 855 mm 25 % more or 286 mm

      Shovel

      Unloading ground clearance at maximum lifting 2792 mm and 2700 mm 3 % more or 92 mm
      Bucket capacity with top 2.3 m3 and 1.7 m3 26 % more or 0.6 m3
      Brimmed bucket capacity 2 m3 and 1.4 m3 30 % more or 0.6 m3

      Operation

      Hydraulic system fluid volume 147.6 l. and 77 l. 48 % more or 70.6 l.
      Engine oil volume 13.2 l. and 10 l. 24 % more or 3.2 l.
      Cooling system fluid volume 36 l. and 35 l. 3 % more or 1 l.
      Front axle / differential fluid volume 22 l. and 21 l. 5 % more or 1 l.
      Rear axle / differential fluid volume 22 l. and 21 l. 5 % more or 1 l.
      Static tipping weight 10603 kg and 7203 kg 32 % more or 3400 kg
      Fuel Capacity 246 l. and 157 l. 36 % more or 89 l.

      Motor

      Displacement 6.7 l. and 4.4 l. 34 % more or 2.3 l.
      Cylinders number 6 and 4 33 % more or 2
      Effective power 109 kW and 78.3 kW 28 % more or 30.7 kW
      Full power 116 kW and 82.8 kW 29 % more or 33.2 kW

      Hydraulic system

      Pump bandwidth 171 l/min and 132 l/min 23 % more or 39 l/min

      Gear box

      Maximum forward speed 38.6 km/h and 38.5 km/h 0 % more or 0.1 km/h
      Maximum reverse gear 25 km/h and 23.8 km/h 5 % more or 1.2 km/h

      Neutral reasons:

      Sizes

      Between tyres width 2328 mm and 2523 mm
      Height to cab upper part 3136 mm and 3395 mm
      Wheelbase 2700 mm and 2900 mm
      Length with bucket on ground level 6524 mm and 7593 mm
      Hinge axis maximum height 3590 mm and 3956 mm

      Shovel

      Shovel width 2395 mm and 2602 mm

      Operation

      Rear axle oscillating 24 degrees and 24 degrees
      Tyre size 17.5-25 and 20.5 R25
      Working weight 9025 kg and 13022.2 kg

      Motor

      Aspiration turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator)
      Manufacturer Caterpillar and Case
      Model 3114 and Family IV, 667TA/EDB, III Level III certified

      Hydraulic system

      Overflow valve pressure 24821.1 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

      2. Between tyres width 2328 mm 2. Between tyres width 2523 mm
      3. Height to cab upper part 3136 mm 3. Height to cab upper part 3395 mm
      4. Wheelbase 2700 mm 4. Wheelbase 2900 mm
      6. Hinge axis maximum height 3590 mm 6. Hinge axis maximum height 3956 mm
      8. Radius at maximum lifting and unloading 855 mm 8. Radius at maximum lifting and unloading 1141 mm
      1. Length with bucket on ground level 6524 mm 1. Length with bucket on ground level 7593 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2700 mm 7. Unloading ground clearance at maximum lifting 2792 mm