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- Hitachi ZX270LC-3 vs. Komatsu PC750LC-7
Hitachi ZX270LC-3 vs. Komatsu PC750LC-7
8 reasons to buy Hitachi ZX270LC-3:
Swing device
Rotation speed | 12.6 rev / min and 6.8 rev / min | 46 % more or 5.8 rev |
Operation
Hydraulic pump flow rate | 472 l/min and 988 l/min | 52 % less or 516 l/min |
Motor
Power measured at | 2100 rev / min and 1800 rev / min | 14 % more or 300 rev |
Carrier
Hook traction force | 249.4 kN and 559 kN | 55 % less or 309.6 kN |
Track shoes number per side | 49 and 47 | 4 % more or 2 |
Specific ground pressure | 40.3 kPa and 85.6 kPa | 53 % less or 45.3 kPa |
Maximum travel speed | 5.5 km/h and 4.2 km/h | 24 % more or 1.3 km/h |
Booms/sections features 1
Maximum vertical wall digging depth | 6110 mm and 5230 mm | 14 % more or 880 mm |
16 reasons to buy Komatsu PC750LC-7:
Sizes
Width to outside of caterpillar track | 4210 mm and 3390 mm | 19 % more or 820 mm |
Clearance | 840 mm and 510 mm | 39 % more or 330 mm |
Counterweight ground clearance | 1560 mm and 1180 mm | 24 % more or 380 mm |
Shovel
Bucket initial volume | 4 m3 and 1.7 m3 | 57 % more or 2.3 m3 |
Operation
Cooling system fluid volume | 85 l. and 26 l. | 69 % more or 59 l. |
Hydraulic system fluid volume | 440 l. and 240 l. | 45 % more or 200 l. |
Engine oil volume | 55 l. and 23 l. | 58 % more or 32 l. |
Boom reach drive mechanism fluid volume | 20 l. and 7.6 l. | 62 % more or 12.4 l. |
Fuel Capacity | 880 l. and 500 l. | 43 % more or 380 l. |
Motor
Effective power | 338 kW and 140 kW | 59 % more or 198 kW |
Displacement | 15.2 l. and 5.2 l. | 66 % more or 10.0 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Carrier
Support rollers number on either side | 3 and 2 | 33 % more or 1 |
Booms/sections features 1
Maximum loading height | 82335 mm and 7070 mm | 91 % more or 75265 mm |
Maximum excavation depth | 8445 mm and 7260 mm | 14 % more or 1185 mm |
Maximum radius along ground level | 13400 mm and 10550 mm | 21 % more or 2850 mm |
Neutral reasons:
Sizes
Rear platform swing radius | 2940 mm and 4300 mm |
Caterpillar track length on ground level | 4050 mm and 5020 mm |
Height to cab upper part | 3100 mm and 3445 mm |
Operation
Hydraulic system overflow valve pressure | 34335.9 kPa and 34335.9 kPa |
Working weight | 28770 kg and 80645 kg |
Motor
Manufacturer | Isuzu and Komatsu |
Model | AH-4HK1XYSA-03 and SAA6D140E-3 |
Aspiration | Turbocharging with intercooler and Turbocharging with subsequent air cooling (by a cooling radiator) |
Carrier
Track width | 2590 mm and 3500 mm |
Shoe dimensions | 800 mm and 710 mm |
Rolling bearings number on either side | 8 and 8 |
Booms/sections features 1
Unit load-transfer height | 3170 mm and 4850 mm |
Unit load-transfer length | 10340 mm and 13895 mm |
Maximum cut height | 10010 mm and 11955 mm |
Images
Sizes
8. Rear platform swing radius | 2940 mm | 8. Rear platform swing radius | 4300 mm |
15. Counterweight ground clearance | 1180 mm | 15. Counterweight ground clearance | 1560 mm |
2. Width to outside of caterpillar track | 3390 mm | 2. Width to outside of caterpillar track | 4210 mm |
4. Caterpillar track length on ground level | 4050 mm | 4. Caterpillar track length on ground level | 5020 mm |
5. Clearance | 510 mm | 5. Clearance | 840 mm |
7. Height to cab upper part | 3100 mm | 7. Height to cab upper part | 3445 mm |
Carrier
6. Track width | 2590 mm | 6. Track width | 3500 mm |
14. Shoe dimensions | 800 mm | 14. Shoe dimensions | 710 mm |
Booms/sections features 1
1. Unit load-transfer length | 10740 mm | 1. Unit load-transfer length | 13895 mm |
3. Unit load-transfer height | 3350 mm | 3. Unit load-transfer height | 4850 mm |
9. Maximum cut height | 10460 mm | 9. Maximum cut height | 11955 mm |
10. Maximum loading height | 7490 mm | 10. Maximum loading height | 82335 mm |
11. Maximum radius along ground level | 11120 mm | 11. Maximum radius along ground level | 13400 mm |
12. Maximum vertical wall digging depth | 7030 mm | 12. Maximum vertical wall digging depth | 5230 mm |
13. Maximum excavation depth | 7910 mm | 13. Maximum excavation depth | 8445 mm |