vs.

      Case 1221E vs. Case 521EXT

      23 reasons to buy Case 1221E:

      Sizes

      Clearance 510 mm and 377 mm 26 % more or 133 mm
      Radius at maximum lifting and unloading 1430 mm and 1116 mm 22 % more or 314 mm

      Shovel

      Unloading ground clearance at maximum lifting 3230 mm and 2780 mm 14 % more or 450 mm
      Bucket capacity with top 5 m3 and 1.6 m3 68 % more or 3.4 m3
      Brimmed bucket capacity 5.7 m3 and 1.4 m3 75 % more or 4.3 m3

      Operation

      Rear axle / differential fluid volume 60 l. and 21.5 l. 64 % more or 38.5 l.
      Static tipping weight 25324.1 kg and 7094.2 kg 72 % more or 18229.9 kg
      Fuel Capacity 470 l. and 189 l. 60 % more or 281 l.
      Hydraulic system fluid volume 340 l. and 114 l. 66 % more or 226 l.
      Engine oil volume 37 l. and 12 l. 68 % more or 25 l.
      Cooling system fluid volume 65 l. and 22 l. 66 % more or 43 l.
      Transmission fluid volume 43 l. and 18.9 l. 56 % more or 24.1 l.
      Front axle / differential fluid volume 60 l. and 21.5 l. 64 % more or 38.5 l.

      Motor

      Effective power 238.6 kW and 88 kW 63 % more or 150.6 kW
      Full power 249.8 kW and 96.2 kW 61 % more or 153.6 kW
      Power measured at 2200 rev / min and 1800 rev / min 18 % more or 400 rev
      Displacement 10.8 l. and 4.5 l. 58 % more or 6.3 l.
      Torque measured at 1400 rev / min and 1300 rev / min 7 % more or 100 rev
      Cylinders number 6 and 4 33 % more or 2
      Maximum torque 1674.4 Nm and 551.8 Nm 67 % more or 1122.6 Nm
      Torque increase 40 % and 19 % 52 % more or 21 %

      Hydraulic system

      Pump bandwidth 482 l/min and 134 l/min 72 % more or 348 l/min

      Gear box

      Maximum reverse gear 23.7 km/h and 22.7 km/h 4 % more or 1.0 km/h

      5 reasons to buy Case 521EXT:

      Operation

      Turn radius 4972 mm and 7590 mm 34 % less or 2618 mm

      Hydraulic system

      Lifting time 5.6 sec and 6.4 sec 12 % less or 0.8 sec
      Unloading time 1.1 sec and 1.4 sec 21 % less or 0.3 sec
      Lowering time 2.7 sec and 3 sec 10 % less or 0.3 sec

      Gear box

      Maximum forward speed 35.9 km/h and 34 km/h 5 % more or 1.9 km/h

      Neutral reasons:

      Sizes

      Length with bucket on ground level 9690 mm and 6652 mm
      Between tyres width 3270 mm and 2489 mm
      Height to cab upper part 3840 mm and 3277 mm
      Wheelbase 3700 mm and 2750 mm
      Hinge axis maximum height 4550 mm and 3743 mm

      Shovel

      Shovel width 3450 mm and 2550 mm

      Operation

      Working weight 30358.9 kg and 12183.9 kg
      Operating voltage 24 V and 24 V
      Generator current strength 70 amperes and 70 amperes
      Rear axle oscillating 26 degrees and 24 degrees
      Tyre size 29.5 x 25 and 17.5 x 25 L3

      Motor

      Manufacturer Cummins and Case
      Model QSM11 and 445TA/EGE
      Aspiration turbocharging and turbocharging

      Hydraulic system

      Overflow valve pressure 20615.3 kPa and 24993.5 kPa

      Gear box

      Forward gears number 4 and 4
      Reverse gears number 3 and 3

      Images

      Sizes

      1. Length with bucket on ground level 9690 mm 1. Length with bucket on ground level 6652 mm
      2. Between tyres width 3270 mm 2. Between tyres width 2489 mm
      3. Height to cab upper part 3840 mm 3. Height to cab upper part 3277 mm
      4. Wheelbase 3700 mm 4. Wheelbase 2750 mm
      5. Clearance 510 mm 5. Clearance 377 mm
      6. Hinge axis maximum height 4550 mm 6. Hinge axis maximum height 3743 mm
      8. Radius at maximum lifting and unloading 1430 mm 8. Radius at maximum lifting and unloading 1116 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 3230 mm 7. Unloading ground clearance at maximum lifting 2780 mm