vs.

      Doosan DX27Z vs. Case CX31B ZTS

      7 reasons to buy Doosan DX27Z:

      Swing device

      Rotation speed 9.6 rev / min and 9 rev / min 6 % more or 0.6 rev

      Sizes

      Width to outside of caterpillar track 1570 mm and 1550 mm 1 % more or 20 mm

      Operation

      Hydraulic pump flow rate 52.8 l/min and 97 l/min 46 % less or 44.2 l/min
      Generator current strength 40 amperes and 24 amperes 40 % more or 16 amperes

      Carrier

      Specific ground pressure 25.5 kPa and 30 kPa 15 % less or 4.5 kPa

      Booms/sections features 2

      Maximum vertical wall digging depth 2500 mm and 2430 mm 3 % more or 70 mm

      Booms/sections features 1

      Maximum vertical wall digging depth 2295 mm and 2160 mm 6 % more or 135 mm

      19 reasons to buy Case CX31B ZTS:

      Sizes

      Clearance 330 mm and 285 mm 14 % more or 45 mm
      Counterweight ground clearance 570 mm and 520 mm 9 % more or 50 mm

      Operation

      Fuel Capacity 38 l. and 30 l. 21 % more or 8 l.
      Cooling system fluid volume 4.6 l. and 3.5 l. 24 % more or 1.1 l.
      Hydraulic system fluid volume 48 l. and 45 l. 6 % more or 3 l.
      Engine oil volume 6.7 l. and 5.5 l. 18 % more or 1.2 l.
      Hydraulic system overflow valve pressure 23000 kPa and 21500 kPa 7 % more or 1500 kPa

      Motor

      Effective power 22.4 kW and 15.8 kW 29 % more or 6.6 kW
      Power measured at 2400 rev / min and 2200 rev / min 8 % more or 200 rev
      Displacement 1.6 l. and 1.3 l. 19 % more or 0.3 l.
      Torque measured at 1440 rev / min and 1000 rev / min 31 % more or 440 rev
      Maximum torque 98.4 Nm and 87.9 Nm 11 % more or 10.5 Nm
      Cylinders number 4 and 3 25 % more or 1

      Carrier

      Rolling bearings number on either side 4 and 3 25 % more or 1
      Maximum travel speed 4.5 km/h and 4.3 km/h 4 % more or 0.2 km/h

      Booms/sections features 2

      Maximum excavation depth 3100 mm and 2690 mm 13 % more or 410 mm
      Maximum loading height 3550 mm and 2935 mm 17 % more or 615 mm

      Booms/sections features 1

      Maximum loading height 3360 mm and 2775 mm 17 % more or 585 mm
      Maximum excavation depth 2810 mm and 2490 mm 11 % more or 320 mm

      Neutral reasons:

      Sizes

      Height to cab upper part 2445 mm and 2570 mm
      Rear platform swing radius 760 mm and 775 mm
      Caterpillar track length on ground level 1550 mm and 1540 mm

      Operation

      Working weight 2789.6 kg and 3030 kg
      Operating voltage 12 V and 12 V

      Motor

      Manufacturer Yanmar and Yanmar
      Model ETNV82A-SDB and 3TNV88-BPYB

      Carrier

      Shoe dimensions 300 mm and 300 mm
      Track width 1270 mm and 1250 mm

      Booms/sections features 2

      Maximum cut height 4280 mm and 4960 mm

      Booms/sections features 1

      Maximum cut height 4165 mm and 4770 mm
      Unit load-transfer height 1490 mm and 2570 mm
      Unit load-transfer length 4060 mm and 4390 mm

      Images

      Sizes

      2. Width to outside of caterpillar track 1570 mm 2. Width to outside of caterpillar track 1550 mm
      4. Caterpillar track length on ground level 1550 mm 4. Caterpillar track length on ground level 1540 mm
      5. Clearance 285 mm 5. Clearance 330 mm
      7. Height to cab upper part 2445 mm 7. Height to cab upper part 2570 mm
      8. Rear platform swing radius 760 mm 8. Rear platform swing radius 775 mm
      15. Counterweight ground clearance 520 mm 15. Counterweight ground clearance 570 mm

      Carrier

      6. Track width 1270 mm 6. Track width 1250 mm
      14. Shoe dimensions 300 mm 14. Shoe dimensions 300 mm

      Booms/sections features 1

      1. Unit load-transfer length 4060 mm 1. Unit load-transfer length 4390 mm
      13. Maximum excavation depth 2490 mm 13. Maximum excavation depth 3100 mm
      3. Unit load-transfer height 1490 mm 3. Unit load-transfer height 2570 mm
      9. Maximum cut height 4280 mm 9. Maximum cut height 4960 mm
      10. Maximum loading height 2935 mm 10. Maximum loading height 3550 mm
      12. Maximum vertical wall digging depth 2500 mm 12. Maximum vertical wall digging depth 2430 mm