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- Komatsu PC78MR-6 vs. Tata Hitachi ZAXIS70
Komatsu PC78MR-6 vs. Tata Hitachi ZAXIS70
9 reasons to buy Komatsu PC78MR-6:
Sizes
| Width to outside of caterpillar track | 2320 mm and 2200 mm | 5 % more or 120 mm |
Operation
| Cooling system fluid volume | 10.5 l. and 9.5 l. | 10 % more or 1.0 l. |
| Hydraulic system fluid volume | 110 l. and 100 l. | 9 % more or 10 l. |
| Hydraulic pump flow rate | 160 l/min and 178.5 l/min | 10 % less or 18.5 l/min |
Motor
| Displacement | 3.3 l. and 3.1 l. | 6 % more or 0.2 l. |
Carrier
| Track shoes number per side | 39 and 38 | 3 % more or 1 |
Booms/sections features 2
| Maximum radius along ground level | 7485 mm and 6670 mm | 11 % more or 815 mm |
| Maximum excavation depth | 4745 mm and 4670 mm | 2 % more or 75 mm |
Booms/sections features 1
| Maximum radius along ground level | 6960 mm and 6170 mm | 11 % more or 790 mm |
14 reasons to buy Tata Hitachi ZAXIS70:
Swing device
| Rotation speed | 11.3 rev / min and 10 rev / min | 12 % more or 1.3 rev |
Sizes
| Counterweight ground clearance | 760 mm and 735 mm | 3 % more or 25 mm |
Operation
| Fuel Capacity | 135 l. and 125 l. | 7 % more or 10 l. |
| Engine oil volume | 12 l. and 7.5 l. | 37 % more or 4.5 l. |
| Hydraulic system overflow valve pressure | 31400 kPa and 26477.9 kPa | 16 % more or 4922.1 kPa |
Motor
| Effective power | 40.5 kW and 40.3 kW | 0 % more or 0.2 kW |
| Power measured at | 2100 rev / min and 1850 rev / min | 12 % more or 250 rev |
Carrier
| Maximum travel speed | 5 km/h and 4.2 km/h | 16 % more or 0.8 km/h |
| Specific ground pressure | 29 kPa and 37.2 kPa | 22 % less or 8.2 kPa |
Booms/sections features 2
| Maximum loading height | 5450 mm and 4770 mm | 12 % more or 680 mm |
| Maximum vertical wall digging depth | 4280 mm and 3310 mm | 23 % more or 970 mm |
Booms/sections features 1
| Maximum excavation depth | 4170 mm and 4160 mm | 0 % more or 10 mm |
| Maximum loading height | 5060 mm and 4515 mm | 11 % more or 545 mm |
| Maximum vertical wall digging depth | 3730 mm and 2900 mm | 22 % more or 830 mm |
Neutral reasons:
Sizes
| Height to cab upper part | 2730 mm and 2600 mm |
| Clearance | 360 mm and 360 mm |
| Rear platform swing radius | 1405 mm and 1750 mm |
| Caterpillar track length on ground level | 2235 mm and 2140 mm |
Operation
| Working weight | 8270 kg and 6300 kg |
Motor
| Cylinders number | 4 and 4 |
| Manufacturer | Komatsu and Isuzu |
| Model | S4D95LE-3 and CC-4JG1 |
Carrier
| Track width | 1870 mm and 1750 mm |
| Shoe dimensions | 450 mm and 450 mm |
| Support rollers number on either side | 1 and 1 |
| Rolling bearings number on either side | 5 and 5 |
Booms/sections features 2
| Maximum cut height | 6800 mm and 7550 mm |
Booms/sections features 1
| Maximum cut height | 6570 mm and 7150 mm |
Images
Sizes
| 2. Width to outside of caterpillar track | 2320 mm | 2. Width to outside of caterpillar track | 2200 mm |
| 4. Caterpillar track length on ground level | 2235 mm | 4. Caterpillar track length on ground level | 2140 mm |
| 5. Clearance | 360 mm | 5. Clearance | 360 mm |
| 7. Height to cab upper part | 2730 mm | 7. Height to cab upper part | 2600 mm |
| 8. Rear platform swing radius | 1405 mm | 8. Rear platform swing radius | 1750 mm |
| 15. Counterweight ground clearance | 735 mm | 15. Counterweight ground clearance | 760 mm |
Carrier
| 6. Track width | 1870 mm | 6. Track width | 1750 mm |
| 14. Shoe dimensions | 450 mm | 14. Shoe dimensions | 450 mm |
Booms/sections features 1
| 12. Maximum vertical wall digging depth | 2900 mm | 12. Maximum vertical wall digging depth | 4280 mm |
| 13. Maximum excavation depth | 4160 mm | 13. Maximum excavation depth | 4670 mm |
| 9. Maximum cut height | 6800 mm | 9. Maximum cut height | 7550 mm |
| 10. Maximum loading height | 4770 mm | 10. Maximum loading height | 5450 mm |
| 11. Maximum radius along ground level | 7485 mm | 11. Maximum radius along ground level | 6670 mm |