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- Hitachi ZX8-2 vs. Hyundai R22-7
Hitachi ZX8-2 vs. Hyundai R22-7
3 reasons to buy Hitachi ZX8-2:
Operation
Hydraulic pump flow rate | 21.2 l/min and 63.4 l/min | 67 % less or 42.2 l/min |
Carrier
Specific ground pressure | 26 kPa and 33.1 kPa | 21 % less or 7.1 kPa |
Maximum travel speed | 4 km/h and 3.8 km/h | 5 % more or 0.2 km/h |
12 reasons to buy Hyundai R22-7:
Swing device
Rotation speed | 11.5 rev / min and 8.5 rev / min | 26 % more or 3.0 rev |
Sizes
Width to outside of caterpillar track | 1380 mm and 910 mm | 34 % more or 470 mm |
Operation
Hydraulic system overflow valve pressure | 18615.8 kPa and 17700 kPa | 5 % more or 915.8 kPa |
Fuel Capacity | 29 l. and 16 l. | 45 % more or 13 l. |
Cooling system fluid volume | 5.6 l. and 3.3 l. | 41 % more or 2.3 l. |
Hydraulic system fluid volume | 33 l. and 18 l. | 45 % more or 15 l. |
Engine oil volume | 3.5 l. and 2.8 l. | 20 % more or 0.7 l. |
Motor
Effective power | 12.7 kW and 9.5 kW | 25 % more or 3.2 kW |
Power measured at | 2400 rev / min and 2100 rev / min | 12 % more or 300 rev |
Booms/sections features 1
Maximum excavation depth | 2365 mm and 1600 mm | 32 % more or 765 mm |
Maximum loading height | 2510 mm and 2050 mm | 18 % more or 460 mm |
Maximum vertical wall digging depth | 1795 mm and 1450 mm | 19 % more or 345 mm |
Neutral reasons:
Sizes
Caterpillar track length on ground level | 900 mm and 1325 mm |
Rear platform swing radius | 1090 mm and 1745 mm |
Operation
Working weight | 1100 kg and 2199.9 kg |
Motor
Manufacturer | Yanmar and Mitsubishi |
Model | 3TNV70 and L3E-W231 |
Carrier
Shoe dimensions | 180 mm and 230 mm |
Track width | 730 mm and 1150 mm |
Booms/sections features 1
Unit load-transfer height | 2150 mm and 2250 mm |
Unit load-transfer length | 2970 mm and 4075 mm |
Maximum cut height | 2840 mm and 3745 mm |
Images
Sizes
2. Width to outside of caterpillar track | 910 mm | 2. Width to outside of caterpillar track | 1380 mm |
4. Caterpillar track length on ground level | 900 mm | 4. Caterpillar track length on ground level | 1325 mm |
8. Rear platform swing radius | 1090 mm | 8. Rear platform swing radius | 1745 mm |
Carrier
6. Track width | 730 mm | 6. Track width | 1150 mm |
14. Shoe dimensions | 180 mm | 14. Shoe dimensions | 230 mm |
Booms/sections features 1
10. Maximum loading height | 2150 mm | 10. Maximum loading height | 2510 mm |
12. Maximum vertical wall digging depth | 1600 mm | 12. Maximum vertical wall digging depth | 1795 mm |
13. Maximum excavation depth | 1800 mm | 13. Maximum excavation depth | 2365 mm |
1. Unit load-transfer length | 3030 mm | 1. Unit load-transfer length | 4075 mm |
3. Unit load-transfer height | 2150 mm | 3. Unit load-transfer height | 2250 mm |
9. Maximum cut height | 2940 mm | 9. Maximum cut height | 3745 mm |