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- Hitachi EX310H-3 vs. Hyundai R290NLC-7A
Hitachi EX310H-3 vs. Hyundai R290NLC-7A
14 reasons to buy Hitachi EX310H-3:
Swing device
Rotation speed | 12 rev / min and 10.2 rev / min | 15 % more or 1.8 rev |
Sizes
Width to outside of caterpillar track | 3190 mm and 2990 mm | 6 % more or 200 mm |
Shovel
Bucket initial volume | 1.4 m3 and 1.3 m3 | 7 % more or 0.1 m3 |
Operation
Engine oil volume | 35 l. and 24 l. | 31 % more or 11 l. |
Boom reach drive mechanism fluid volume | 17 l. and 11 l. | 35 % more or 6 l. |
Fuel Capacity | 510 l. and 480 l. | 6 % more or 30 l. |
Motor
Effective power | 155.1 kW and 146.9 kW | 5 % more or 8.2 kW |
Power measured at | 2000 rev / min and 1900 rev / min | 5 % more or 100 rev |
Displacement | 9.8 l. and 6.7 l. | 32 % more or 3.1 l. |
Carrier
Maximum travel speed | 5.5 km/h and 5.2 km/h | 5 % more or 0.3 km/h |
Booms/sections features 1
Maximum excavation depth | 7380 mm and 6440 mm | 13 % more or 940 mm |
Maximum radius along ground level | 10900 mm and 9820 mm | 10 % more or 1080 mm |
Maximum loading height | 7120 mm and 6940 mm | 3 % more or 180 mm |
Maximum vertical wall digging depth | 6480 mm and 6000 mm | 7 % more or 480 mm |
10 reasons to buy Hyundai R290NLC-7A:
Sizes
Counterweight ground clearance | 1190 mm and 1170 mm | 2 % more or 20 mm |
Operation
Hydraulic system fluid volume | 320 l. and 310 l. | 3 % more or 10 l. |
Generator current strength | 50 amperes and 30 amperes | 40 % more or 20 amperes |
Hydraulic system overflow valve pressure | 35301.1 kPa and 34335.9 kPa | 3 % more or 965.2 kPa |
Hydraulic pump flow rate | 504 l/min and 546 l/min | 8 % less or 42 l/min |
Cooling system fluid volume | 50 l. and 33.5 l. | 33 % more or 16.5 l. |
Motor
Maximum torque | 949.1 Nm and 834 Nm | 12 % more or 115.1 Nm |
Carrier
Track shoes number per side | 48 and 47 | 2 % more or 1 |
Rolling bearings number on either side | 9 and 8 | 11 % more or 1 |
Specific ground pressure | 53.9 kPa and 62.7 kPa | 14 % less or 8.8 kPa |
Neutral reasons:
Sizes
Height to cab upper part | 3010 mm and 3010 mm |
Clearance | 500 mm and 500 mm |
Rear platform swing radius | 3300 mm and 3200 mm |
Caterpillar track length on ground level | 3710 mm and 4030 mm |
Shovel
Maximum bucket volume | 1.9 m3 and 1.9 m3 |
Operation
Working weight | 30617.5 kg and 29097.9 kg |
Motor
Manufacturer | Isuzu and Cummins |
Model | A-6SD1TQA and QSB6.7 |
Torque measured at | 1400 rev / min and 1400 rev / min |
Aspiration | turbocharging and turbocharging |
Cylinders number | 6 and 6 |
Carrier
Shoe dimensions | 600 mm and 600 mm |
Support rollers number on either side | 2 and 2 |
Track width | 2590 mm and 2390 mm |
Booms/sections features 1
Unit load-transfer height | 3200 mm and 3590 mm |
Unit load-transfer length | 10940 mm and 10700 mm |
Maximum cut height | 10220 mm and 10070 mm |
Images
Sizes
2. Width to outside of caterpillar track | 3190 mm | 2. Width to outside of caterpillar track | 2990 mm |
4. Caterpillar track length on ground level | 3710 mm | 4. Caterpillar track length on ground level | 4030 mm |
5. Clearance | 500 mm | 5. Clearance | 500 mm |
7. Height to cab upper part | 3010 mm | 7. Height to cab upper part | 3010 mm |
8. Rear platform swing radius | 3300 mm | 8. Rear platform swing radius | 3200 mm |
15. Counterweight ground clearance | 1170 mm | 15. Counterweight ground clearance | 1190 mm |
Carrier
6. Track width | 2590 mm | 6. Track width | 2390 mm |
14. Shoe dimensions | 600 mm | 14. Shoe dimensions | 600 mm |
Booms/sections features 1
3. Unit load-transfer height | 3200 mm | 3. Unit load-transfer height | 3590 mm |
9. Maximum cut height | 10220 mm | 9. Maximum cut height | 10070 mm |
10. Maximum loading height | 7120 mm | 10. Maximum loading height | 6940 mm |
11. Maximum radius along ground level | 10900 mm | 11. Maximum radius along ground level | 9820 mm |
12. Maximum vertical wall digging depth | 6480 mm | 12. Maximum vertical wall digging depth | 6000 mm |
13. Maximum excavation depth | 7380 mm | 13. Maximum excavation depth | 6440 mm |
1. Unit load-transfer length | 10940 mm | 1. Unit load-transfer length | 10650 mm |