vs.

      Komatsu WA320PZ-6 vs. John Deere 744J Z-Bar

      6 reasons to buy Komatsu WA320PZ-6:

      Sizes

      Radius at maximum lifting and unloading 1240 mm and 1210 mm 2 % more or 30 mm

      Shovel

      Breakout power 136.2 kN and 198.1 kN 31 % less or 61.9 kN

      Operation

      Turn radius 5380 mm and 6140 mm 12 % less or 760 mm

      Hydraulic system

      Lifting time 5.6 sec and 6.5 sec 14 % less or 0.9 sec

      Gear box

      Reverse gears number 4 and 3 25 % more or 1
      Maximum reverse gear 38 km/h and 31.1 km/h 18 % more or 6.9 km/h

      18 reasons to buy John Deere 744J Z-Bar:

      Sizes

      Clearance 460 mm and 425 mm 8 % more or 35 mm

      Shovel

      Unloading ground clearance at maximum lifting 3090 mm and 2785 mm 10 % more or 305 mm
      Bucket capacity with top 4 m3 and 2.7 m3 32 % more or 1.3 m3
      Brimmed bucket capacity 3.4 m3 and 2.2 m3 35 % more or 1.2 m3

      Operation

      Rear axle / differential fluid volume 46 l. and 24 l. 48 % more or 22 l.
      Static tipping weight 17680 kg and 10880 kg 38 % more or 6800 kg
      Fuel Capacity 462 l. and 245 l. 47 % more or 217 l.
      Hydraulic system fluid volume 144 l. and 89 l. 38 % more or 55 l.
      Engine oil volume 38 l. and 23 l. 39 % more or 15 l.
      Generator current strength 80 amperes and 60 amperes 25 % more or 20 amperes
      Cooling system fluid volume 38 l. and 25 l. 34 % more or 13 l.
      Front axle / differential fluid volume 46 l. and 24 l. 48 % more or 22 l.

      Motor

      Effective power 198 kW and 125 kW 37 % more or 73 kW
      Displacement 12.6 l. and 6.7 l. 47 % more or 5.9 l.

      Hydraulic system

      Unloading time 1.5 sec and 1.9 sec 21 % less or 0.4 sec
      Lowering time 3 sec and 3.3 sec 9 % less or 0.3 sec
      Pump bandwidth 394 l/min and 172 l/min 56 % more or 222 l/min

      Gear box

      Maximum forward speed 39.4 km/h and 38 km/h 4 % more or 1.4 km/h

      Neutral reasons:

      Sizes

      Between tyres width 2590 mm and 2936 mm
      Length with bucket on ground level 7800 mm and 8510 mm
      Hinge axis maximum height 4005 mm and 4290 mm
      Height to cab upper part 3200 mm and 3530 mm
      Wheelbase 3030 mm and 3400 mm

      Shovel

      Shovel width 2740 mm and 3040 mm

      Operation

      Working weight 15380 kg and 23345 kg
      Operating voltage 24 V and 24 V
      Rear axle oscillating 30 degrees and 26 degrees
      Tyre size 20.5-25 12PR L2 and 26.5 R25

      Motor

      Aspiration turbocharging, cooling at the outlet and turbocharging / air cooling
      Manufacturer Komatsu and John Deere
      Model SAA6D107E-1 and 6125H
      Power measured at 2000 rev / min and 2000 rev / min
      Cylinders number 6 and 6

      Hydraulic system

      Type of pump gear type pump and variable displacement axial piston pump
      Overflow valve pressure 20615.3 kPa and 22050 kPa

      Gear box

      Forward gears number 4 and 4
      Transmission type Hydrostatic, 1 pump, 2 electric motors with the speed range selection and automatic transmission system with power gear shifting

      Images

      Sizes

      1. Length with bucket on ground level 7800 mm 1. Length with bucket on ground level 8510 mm
      2. Between tyres width 2590 mm 2. Between tyres width 2936 mm
      3. Height to cab upper part 3200 mm 3. Height to cab upper part 3530 mm
      4. Wheelbase 3030 mm 4. Wheelbase 3400 mm
      5. Clearance 425 mm 5. Clearance 460 mm
      6. Hinge axis maximum height 4005 mm 6. Hinge axis maximum height 4290 mm
      8. Radius at maximum lifting and unloading 1240 mm 8. Radius at maximum lifting and unloading 1210 mm

      Shovel

      7. Unloading ground clearance at maximum lifting 2785 mm 7. Unloading ground clearance at maximum lifting 3090 mm