vs.

      Doosan DX30Z vs. Hitachi EX40-2

      3 reasons to buy Doosan DX30Z:

      Operation

      Hydraulic pump flow rate 74.4 l/min and 88.2 l/min 16 % less or 13.8 l/min

      Motor

      Power measured at 2400 rev / min and 2100 rev / min 12 % more or 300 rev

      Carrier

      Maximum travel speed 4.6 km/h and 4.5 km/h 2 % more or 0.1 km/h

      19 reasons to buy Hitachi EX40-2:

      Swing device

      Rotation speed 10 rev / min and 9.7 rev / min 3 % more or 0.3 rev

      Sizes

      Width to outside of caterpillar track 1850 mm and 1550 mm 16 % more or 300 mm
      Clearance 365 mm and 300 mm 18 % more or 65 mm
      Counterweight ground clearance 635 mm and 535 mm 16 % more or 100 mm

      Operation

      Cooling system fluid volume 7.5 l. and 3.5 l. 53 % more or 4.0 l.
      Hydraulic system fluid volume 62 l. and 50 l. 19 % more or 12 l.
      Engine oil volume 9 l. and 5.5 l. 39 % more or 3.5 l.
      Generator current strength 52 amperes and 40 amperes 23 % more or 12 amperes
      Hydraulic system overflow valve pressure 26478 kPa and 20500 kPa 23 % more or 5978 kPa
      Fuel Capacity 50 l. and 35 l. 30 % more or 15 l.

      Motor

      Effective power 26.5 kW and 18.1 kW 32 % more or 8.4 kW
      Displacement 2.2 l. and 1.3 l. 41 % more or 0.9 l.
      Torque measured at 1500 rev / min and 1200 rev / min 20 % more or 300 rev
      Maximum torque 126 Nm and 87.9 Nm 30 % more or 38.1 Nm
      Cylinders number 4 and 3 25 % more or 1

      Carrier

      Specific ground pressure 24.5 kPa and 29 kPa 16 % less or 4.5 kPa

      Booms/sections features 1

      Maximum loading height 4115 mm and 3122 mm 24 % more or 993 mm
      Maximum vertical wall digging depth 2685 mm and 2278 mm 15 % more or 407 mm
      Maximum excavation depth 3385 mm and 2838 mm 16 % more or 547 mm

      Neutral reasons:

      Sizes

      Height to cab upper part 2480 mm and 2595 mm
      Rear platform swing radius 775 mm and 1445 mm
      Caterpillar track length on ground level 1650 mm and 1930 mm

      Operation

      Operating voltage 12 V and 12 V
      Working weight 3180 kg and 4150 kg

      Motor

      Manufacturer Yanmar and Kubota
      Model 3TNV82A-PDB and V2203-KA

      Carrier

      Shoe dimensions 300 mm and 400 mm
      Rolling bearings number on either side 4 and 4
      Track width 1250 mm and 1450 mm

      Booms/sections features 1

      Maximum cut height 4555 mm and 5805 mm
      Unit load-transfer height 1590 mm and 2595 mm
      Unit load-transfer length 4507 mm and 5430 mm

      Images

      Sizes

      2. Width to outside of caterpillar track 1550 mm 2. Width to outside of caterpillar track 1850 mm
      4. Caterpillar track length on ground level 1650 mm 4. Caterpillar track length on ground level 1930 mm
      5. Clearance 300 mm 5. Clearance 365 mm
      7. Height to cab upper part 2480 mm 7. Height to cab upper part 2595 mm
      8. Rear platform swing radius 775 mm 8. Rear platform swing radius 1445 mm
      15. Counterweight ground clearance 535 mm 15. Counterweight ground clearance 635 mm

      Carrier

      6. Track width 1250 mm 6. Track width 1450 mm
      14. Shoe dimensions 300 mm 14. Shoe dimensions 400 mm

      Booms/sections features 1

      10. Maximum loading height 3185 mm 10. Maximum loading height 4115 mm
      12. Maximum vertical wall digging depth 2383 mm 12. Maximum vertical wall digging depth 2685 mm
      13. Maximum excavation depth 2948 mm 13. Maximum excavation depth 3385 mm
      1. Unit load-transfer length 4507 mm 1. Unit load-transfer length 5430 mm
      3. Unit load-transfer height 1590 mm 3. Unit load-transfer height 2595 mm
      9. Maximum cut height 4618 mm 9. Maximum cut height 5805 mm