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- Hitachi ZX850-3 vs. Komatsu PC290LC-7
Hitachi ZX850-3 vs. Komatsu PC290LC-7
25 reasons to buy Hitachi ZX850-3:
Sizes
Clearance | 890 mm and 500 mm | 44 % more or 390 mm |
Counterweight ground clearance | 1680 mm and 1185 mm | 29 % more or 495 mm |
Width to outside of caterpillar track | 4100 mm and 3190 mm | 22 % more or 910 mm |
Shovel
Bucket initial volume | 3.5 m3 and 1.2 m3 | 66 % more or 2.3 m3 |
Operation
Fuel Capacity | 1120 l. and 400 l. | 64 % more or 720 l. |
Cooling system fluid volume | 116 l. and 30.9 l. | 73 % more or 85.1 l. |
Hydraulic system fluid volume | 790 l. and 143 l. | 82 % more or 647 l. |
Engine oil volume | 57 l. and 24 l. | 58 % more or 33 l. |
Boom reach drive mechanism fluid volume | 15 l. and 6.6 l. | 56 % more or 8.4 l. |
Motor
Effective power | 343 kW and 133.5 kW | 61 % more or 209.5 kW |
Displacement | 15.7 l. and 5.9 l. | 62 % more or 9.8 l. |
Carrier
Track shoes number per side | 47 and 45 | 4 % more or 2 |
Support rollers number on either side | 3 and 2 | 33 % more or 1 |
Rolling bearings number on either side | 8 and 7 | 12 % more or 1 |
Booms/sections features 3
Maximum excavation depth | 9570 mm and 6460 mm | 32 % more or 3110 mm |
Maximum radius along ground level | 14640 mm and 9990 mm | 32 % more or 4650 mm |
Maximum loading height | 9740 mm and 7035 mm | 28 % more or 2705 mm |
Maximum vertical wall digging depth | 8480 mm and 5650 mm | 33 % more or 2830 mm |
Booms/sections features 2
Maximum vertical wall digging depth | 7170 mm and 4800 mm | 33 % more or 2370 mm |
Maximum excavation depth | 8870 mm and 5940 mm | 33 % more or 2930 mm |
Maximum radius along ground level | 13820 mm and 9450 mm | 32 % more or 4370 mm |
Maximum loading height | 9080 mm and 6720 mm | 26 % more or 2360 mm |
Booms/sections features 1
Maximum excavation depth | 7140 mm and 5440 mm | 24 % more or 1700 mm |
Maximum radius along ground level | 12020 mm and 9050 mm | 25 % more or 2970 mm |
Maximum loading height | 8130 mm and 6600 mm | 19 % more or 1530 mm |
7 reasons to buy Komatsu PC290LC-7:
Swing device
Rotation speed | 10.5 rev / min and 7.3 rev / min | 30 % more or 3.2 rev |
Operation
Hydraulic system overflow valve pressure | 37265.2 kPa and 34300 kPa | 8 % more or 2965.2 kPa |
Hydraulic pump flow rate | 450 l/min and 1056 l/min | 57 % less or 606 l/min |
Motor
Power measured at | 2050 rev / min and 1800 rev / min | 12 % more or 250 rev |
Carrier
Specific ground pressure | 56.9 kPa and 121 kPa | 53 % less or 64.1 kPa |
Maximum travel speed | 5.5 km/h and 4.1 km/h | 25 % more or 1.4 km/h |
Booms/sections features 1
Maximum vertical wall digging depth | 4580 mm and 4100 mm | 10 % more or 480 mm |
Neutral reasons:
Sizes
Height to cab upper part | 3630 mm and 3100 mm |
Rear platform swing radius | 4600 mm and 2940 mm |
Caterpillar track length on ground level | 4590 mm and 3700 mm |
Operation
Working weight | 80500 kg and 28130 kg |
Motor
Aspiration | turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator) |
Cylinders number | 6 and 6 |
Manufacturer | Isuzu and Komatsu |
Model | AH-6WG1XYSA-03 and SA6D102E-2 |
Carrier
Track width | 3450 mm and 2590 mm |
Shoe dimensions | 650 mm and 600 mm |
Booms/sections features 3
Maximum cut height | 13820 mm and 10000 mm |
Booms/sections features 2
Unit load-transfer height | 4570 mm and 3320 mm |
Unit load-transfer length | 14770 mm and 9940 mm |
Maximum cut height | 13030 mm and 9620 mm |
Booms/sections features 1
Maximum cut height | 12010 mm and 9540 mm |
Images
Sizes
2. Width to outside of caterpillar track | 4100 mm | 2. Width to outside of caterpillar track | 3190 mm |
4. Caterpillar track length on ground level | 4590 mm | 4. Caterpillar track length on ground level | 3700 mm |
5. Clearance | 890 mm | 5. Clearance | 500 mm |
7. Height to cab upper part | 3630 mm | 7. Height to cab upper part | 3100 mm |
8. Rear platform swing radius | 4600 mm | 8. Rear platform swing radius | 2940 mm |
15. Counterweight ground clearance | 1680 mm | 15. Counterweight ground clearance | 1185 mm |
Carrier
6. Track width | 3450 mm | 6. Track width | 2590 mm |
14. Shoe dimensions | 650 mm | 14. Shoe dimensions | 600 mm |
Booms/sections features 1
13. Maximum excavation depth | 8870 mm | 13. Maximum excavation depth | 6460 mm |
10. Maximum loading height | 9740 mm | 10. Maximum loading height | 7035 mm |
11. Maximum radius along ground level | 14640 mm | 11. Maximum radius along ground level | 9990 mm |
1. Unit load-transfer length | 14770 mm | 1. Unit load-transfer length | 9890 mm |
3. Unit load-transfer height | 4570 mm | 3. Unit load-transfer height | 3280 mm |
9. Maximum cut height | 13820 mm | 9. Maximum cut height | 10130 mm |
12. Maximum vertical wall digging depth | 8480 mm | 12. Maximum vertical wall digging depth | 5650 mm |