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- Doosan DX30Z vs. Hyundai R22-7
Doosan DX30Z vs. Hyundai R22-7
11 reasons to buy Doosan DX30Z:
Sizes
Width to outside of caterpillar track | 1550 mm and 1380 mm | 11 % more or 170 mm |
Operation
Hydraulic system fluid volume | 50 l. and 33 l. | 34 % more or 17 l. |
Hydraulic system overflow valve pressure | 20500 kPa and 18615.8 kPa | 9 % more or 1884.2 kPa |
Engine oil volume | 5.5 l. and 3.5 l. | 36 % more or 2.0 l. |
Fuel Capacity | 35 l. and 29 l. | 17 % more or 6 l. |
Motor
Effective power | 18.1 kW and 12.7 kW | 30 % more or 5.4 kW |
Carrier
Specific ground pressure | 29 kPa and 33.1 kPa | 12 % less or 4.1 kPa |
Maximum travel speed | 4.6 km/h and 3.8 km/h | 17 % more or 0.8 km/h |
Booms/sections features 1
Maximum loading height | 3122 mm and 2510 mm | 20 % more or 612 mm |
Maximum vertical wall digging depth | 2278 mm and 1795 mm | 21 % more or 483 mm |
Maximum excavation depth | 2838 mm and 2365 mm | 17 % more or 473 mm |
3 reasons to buy Hyundai R22-7:
Swing device
Rotation speed | 11.5 rev / min and 9.7 rev / min | 16 % more or 1.8 rev |
Operation
Hydraulic pump flow rate | 63.4 l/min and 74.4 l/min | 15 % less or 11.0 l/min |
Cooling system fluid volume | 5.6 l. and 3.5 l. | 37 % more or 2.1 l. |
Neutral reasons:
Sizes
Rear platform swing radius | 775 mm and 1745 mm |
Caterpillar track length on ground level | 1650 mm and 1325 mm |
Operation
Working weight | 3180 kg and 2199.9 kg |
Motor
Manufacturer | Yanmar and Mitsubishi |
Model | 3TNV82A-PDB and L3E-W231 |
Power measured at | 2400 rev / min and 2400 rev / min |
Carrier
Shoe dimensions | 300 mm and 230 mm |
Track width | 1250 mm and 1150 mm |
Booms/sections features 1
Unit load-transfer height | 1590 mm and 2250 mm |
Unit load-transfer length | 4507 mm and 4075 mm |
Maximum cut height | 4555 mm and 3745 mm |
Images
Sizes
2. Width to outside of caterpillar track | 1550 mm | 2. Width to outside of caterpillar track | 1380 mm |
4. Caterpillar track length on ground level | 1650 mm | 4. Caterpillar track length on ground level | 1325 mm |
8. Rear platform swing radius | 775 mm | 8. Rear platform swing radius | 1745 mm |
Carrier
14. Shoe dimensions | 300 mm | 14. Shoe dimensions | 230 mm |
6. Track width | 1250 mm | 6. Track width | 1150 mm |
Booms/sections features 1
1. Unit load-transfer length | 4507 mm | 1. Unit load-transfer length | 4075 mm |
3. Unit load-transfer height | 1590 mm | 3. Unit load-transfer height | 2250 mm |
9. Maximum cut height | 4618 mm | 9. Maximum cut height | 3745 mm |
10. Maximum loading height | 3185 mm | 10. Maximum loading height | 2510 mm |
12. Maximum vertical wall digging depth | 2383 mm | 12. Maximum vertical wall digging depth | 1795 mm |
13. Maximum excavation depth | 2948 mm | 13. Maximum excavation depth | 2365 mm |