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- Hitachi ZX8-2 vs. Volvo EC20 Variable-Width Carrier
Hitachi ZX8-2 vs. Volvo EC20 Variable-Width Carrier
2 reasons to buy Hitachi ZX8-2:
Operation
Hydraulic pump flow rate | 21.2 l/min and 43 l/min | 51 % less or 21.8 l/min |
Carrier
Specific ground pressure | 26 kPa and 202.8 kPa | 87 % less or 176.8 kPa |
18 reasons to buy Volvo EC20 Variable-Width Carrier:
Swing device
Rotation speed | 10 rev / min and 8.5 rev / min | 15 % more or 1.5 rev |
Sizes
Width to outside of caterpillar track | 1350 mm and 910 mm | 33 % more or 440 mm |
Operation
Hydraulic system overflow valve pressure | 21000 kPa and 17700 kPa | 16 % more or 3300 kPa |
Fuel Capacity | 21 l. and 16 l. | 24 % more or 5 l. |
Cooling system fluid volume | 4.5 l. and 3.3 l. | 27 % more or 1.2 l. |
Hydraulic system fluid volume | 23 l. and 18 l. | 22 % more or 5 l. |
Engine oil volume | 3.6 l. and 2.8 l. | 22 % more or 0.8 l. |
Motor
Effective power | 11.3 kW and 9.5 kW | 16 % more or 1.8 kW |
Power measured at | 2200 rev / min and 2100 rev / min | 5 % more or 100 rev |
Torque measured at | 1850 rev / min and 1500 rev / min | 19 % more or 350 rev |
Maximum torque | 54 Nm and 50.5 Nm | 6 % more or 3.5 Nm |
Carrier
Maximum travel speed | 4.7 km/h and 4 km/h | 15 % more or 0.7 km/h |
Booms/sections features 2
Maximum excavation depth | 2810 mm and 1800 mm | 36 % more or 1010 mm |
Maximum loading height | 2820 mm and 2150 mm | 24 % more or 670 mm |
Maximum vertical wall digging depth | 1800 mm and 1600 mm | 11 % more or 200 mm |
Booms/sections features 1
Maximum vertical wall digging depth | 1580 mm and 1450 mm | 8 % more or 130 mm |
Maximum excavation depth | 2570 mm and 1600 mm | 38 % more or 970 mm |
Maximum loading height | 2670 mm and 2050 mm | 23 % more or 620 mm |
Neutral reasons:
Sizes
Caterpillar track length on ground level | 900 mm and 1240 mm |
Height to cab upper part | 2150 mm and 2270 mm |
Rear platform swing radius | 1090 mm and 1160 mm |
Operation
Working weight | 1100 kg and 1875 kg |
Operating voltage | 12 V and 12 V |
Motor
Manufacturer | Yanmar and Mitsubishi |
Model | 3TNV70 and L3E |
Cylinders number | 3 and 3 |
Carrier
Shoe dimensions | 180 mm and 250 mm |
Track width | 730 mm and 1000 mm |
Booms/sections features 2
Unit load-transfer height | 2150 mm and 2270 mm |
Unit load-transfer length | 3030 mm and 3780 mm |
Maximum cut height | 2940 mm and 3900 mm |
Booms/sections features 1
Unit load-transfer length | 2970 mm and 3780 mm |
Maximum cut height | 2840 mm and 3750 mm |
Unit load-transfer height | 2150 mm and 2270 mm |
Images
Sizes
8. Rear platform swing radius | 1090 mm | 8. Rear platform swing radius | 1160 mm |
2. Width to outside of caterpillar track | 910 mm | 2. Width to outside of caterpillar track | 1350 mm |
4. Caterpillar track length on ground level | 900 mm | 4. Caterpillar track length on ground level | 1240 mm |
7. Height to cab upper part | 2150 mm | 7. Height to cab upper part | 2270 mm |
Carrier
6. Track width | 730 mm | 6. Track width | 1000 mm |
14. Shoe dimensions | 180 mm | 14. Shoe dimensions | 250 mm |
Booms/sections features 1
1. Unit load-transfer length | 3030 mm | 1. Unit load-transfer length | 3780 mm |
3. Unit load-transfer height | 2150 mm | 3. Unit load-transfer height | 2270 mm |
9. Maximum cut height | 2940 mm | 9. Maximum cut height | 3900 mm |
10. Maximum loading height | 2150 mm | 10. Maximum loading height | 2820 mm |
12. Maximum vertical wall digging depth | 1600 mm | 12. Maximum vertical wall digging depth | 1800 mm |
13. Maximum excavation depth | 1800 mm | 13. Maximum excavation depth | 2810 mm |