vs.

      Caterpillar 906 vs. Case 1221E

      3 reasons to buy Caterpillar 906:

      Operation

      Generator current strength 90 amperes and 70 amperes 22 % more or 20 amperes

      Motor

      Power measured at 2600 rev / min and 2200 rev / min 15 % more or 400 rev

      Hydraulic system

      Lifting time 4.5 sec and 6.4 sec 30 % less or 1.9 sec

      17 reasons to buy Case 1221E:

      Sizes

      Radius at maximum lifting and unloading 1430 mm and 790 mm 45 % more or 640 mm

      Shovel

      Unloading ground clearance at maximum lifting 3230 mm and 2425 mm 25 % more or 805 mm

      Operation

      Cooling system fluid volume 65 l. and 21 l. 68 % more or 44 l.
      Fuel Capacity 470 l. and 74 l. 84 % more or 396 l.
      Transmission fluid volume 43 l. and 10 l. 77 % more or 33 l.
      Hydraulic system fluid volume 340 l. and 66 l. 81 % more or 274 l.
      Static tipping weight 25324.1 kg and 3430 kg 86 % more or 21894.1 kg
      Engine oil volume 37 l. and 10 l. 73 % more or 27 l.

      Motor

      Effective power 238.6 kW and 50.7 kW 79 % more or 187.9 kW
      Full power 249.8 kW and 55.9 kW 78 % more or 193.9 kW

      Hydraulic system

      Unloading time 1.4 sec and 1.5 sec 7 % less or 0.1 sec
      Lowering time 3 sec and 3.2 sec 6 % less or 0.2 sec
      Pump bandwidth 482 l/min and 68 l/min 86 % more or 414 l/min

      Gear box

      Maximum forward speed 34 km/h and 20 km/h 41 % more or 14 km/h
      Maximum reverse gear 23.7 km/h and 20 km/h 16 % more or 3.7 km/h
      Forward gears number 4 and 2 50 % more or 2
      Reverse gears number 3 and 2 33 % more or 1

      Neutral reasons:

      Sizes

      Wheelbase 2000 mm and 3700 mm
      Hinge axis maximum height 3135 mm and 4550 mm
      Length with bucket on ground level 5040 mm and 9690 mm
      Between tyres width 1870 mm and 3270 mm
      Height to cab upper part 2680 mm and 3840 mm

      Shovel

      Shovel width 1870 mm and 3450 mm

      Operation

      Working weight 4960 kg and 30358.9 kg
      Operating voltage 12 V and 24 V
      Rear axle oscillating 22 degrees and 26 degrees
      Tyre size 12.5x18 and 29.5 x 25

      Motor

      Manufacturer Caterpillar and Cummins
      Model 3044C and QSM11

      Hydraulic system

      Overflow valve pressure 23500 kPa and 20615.3 kPa

      Images

      Sizes

      1. Length with bucket on ground level 5040 mm 1. Length with bucket on ground level 9690 mm
      2. Between tyres width 1870 mm 2. Between tyres width 3270 mm
      3. Height to cab upper part 2680 mm 3. Height to cab upper part 3840 mm
      4. Wheelbase 2000 mm 4. Wheelbase 3700 mm
      6. Hinge axis maximum height 3135 mm 6. Hinge axis maximum height 4550 mm
      8. Radius at maximum lifting and unloading 790 mm 8. Radius at maximum lifting and unloading 1430 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2425 mm 7. Unloading ground clearance at maximum lifting 3230 mm