vs.

      Michigan L190B Long Boom vs. Case 721EXT

      20 reasons to buy Michigan L190B Long Boom:

      Sizes

      Clearance 584 mm and 365 mm 37 % more or 219 mm
      Radius at maximum lifting and unloading 1397 mm and 1215 mm 13 % more or 182 mm

      Shovel

      Unloading ground clearance at maximum lifting 3759 mm and 2847 mm 24 % more or 912 mm
      Bucket capacity with top 4 m3 and 2.3 m3 42 % more or 1.7 m3

      Operation

      Transmission fluid volume 91.2 l. and 25.6 l. 72 % more or 65.6 l.
      Fuel Capacity 436 l. and 246 l. 44 % more or 190 l.
      Front axle / differential fluid volume 34.1 l. and 30.3 l. 11 % more or 3.8 l.
      Hydraulic system fluid volume 318 l. and 193.1 l. 39 % more or 124.9 l.
      Rear axle / differential fluid volume 34.1 l. and 27.4 l. 20 % more or 6.7 l.
      Engine oil volume 34.1 l. and 14.2 l. 58 % more or 19.9 l.
      Static tipping weight 18729.7 kg and 11695 kg 38 % more or 7034.7 kg
      Cooling system fluid volume 79.8 l. and 36.9 l. 54 % more or 42.9 l.
      Generator current strength 100 amperes and 65 amperes 35 % more or 35 amperes

      Motor

      Effective power 216.3 kW and 128 kW 41 % more or 88.3 kW
      Full power 240.1 kW and 136 kW 43 % more or 104.1 kW
      Displacement 14 l. and 6.7 l. 52 % more or 7.3 l.
      Maximum torque 1364 Nm and 809 Nm 41 % more or 555 Nm

      Hydraulic system

      Pump bandwidth 265 l/min and 119.6 l/min 55 % more or 145.4 l/min

      Gear box

      Reverse gears number 4 and 3 25 % more or 1
      Maximum reverse gear 35.7 km/h and 25.7 km/h 28 % more or 10.0 km/h

      6 reasons to buy Case 721EXT:

      Shovel

      Breakout power 128 kN and 237.1 kN 46 % less or 109.1 kN

      Operation

      Turn radius 5750 mm and 8001 mm 28 % less or 2251 mm

      Hydraulic system

      Lifting time 5.6 sec and 6.9 sec 19 % less or 1.3 sec
      Unloading time 1.9 sec and 3 sec 37 % less or 1.1 sec
      Lowering time 3.3 sec and 4.6 sec 28 % less or 1.3 sec

      Gear box

      Maximum forward speed 38 km/h and 35.7 km/h 6 % more or 2.3 km/h

      Neutral reasons:

      Sizes

      Wheelbase 3505 mm and 3253 mm
      Hinge axis maximum height 5004 mm and 3975 mm
      Length with bucket on ground level 9627 mm and 7773 mm
      Between tyres width 3124 mm and 2562 mm
      Height to cab upper part 3759 mm and 3404 mm

      Shovel

      Shovel width 3302 mm and 2700 mm

      Operation

      Working weight 28335.9 kg and 14436.5 kg
      Operating voltage 24 V and 24 V
      Rear axle oscillating 22 degrees and 24 degrees
      Tyre size 29.5-25 (22PR) L-3 and 20.5 R25

      Motor

      Manufacturer Cummins and Case
      Model NTA 855C335 and Family IV 667TA/EED, 3 level
      Aspiration turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator)

      Hydraulic system

      Type of pump gear type pump and in the middle position with locking with pressure / flow compensation
      Overflow valve pressure 20339.5 kPa and 24821 kPa

      Gear box

      Transmission type Clark 4425-202 Powershift transmission of intermediate type and 4F / 3R (4 forward / 3 reverse speeds) proportional with electronic control module, with torque measurement, automatic / manual shifting and modulating
      Forward gears number 4 and 4

      Images

      Sizes

      1. Length with bucket on ground level 9627 mm 1. Length with bucket on ground level 7773 mm
      2. Between tyres width 3124 mm 2. Between tyres width 2562 mm
      3. Height to cab upper part 3759 mm 3. Height to cab upper part 3404 mm
      4. Wheelbase 3505 mm 4. Wheelbase 3253 mm
      5. Clearance 584 mm 5. Clearance 365 mm
      6. Hinge axis maximum height 5004 mm 6. Hinge axis maximum height 3975 mm
      8. Radius at maximum lifting and unloading 1397 mm 8. Radius at maximum lifting and unloading 1215 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 3759 mm 7. Unloading ground clearance at maximum lifting 2847 mm