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- Komatsu PC78MR-6 vs. Komatsu PC45R-8
Komatsu PC78MR-6 vs. Komatsu PC45R-8
19 reasons to buy Komatsu PC78MR-6:
Swing device
Rotation speed | 10 rev / min and 9 rev / min | 10 % more or 1 rev |
Sizes
Width to outside of caterpillar track | 2320 mm and 1900 mm | 18 % more or 420 mm |
Clearance | 360 mm and 340 mm | 6 % more or 20 mm |
Counterweight ground clearance | 735 mm and 640 mm | 13 % more or 95 mm |
Operation
Cooling system fluid volume | 10.5 l. and 7.5 l. | 29 % more or 3.0 l. |
Hydraulic system fluid volume | 110 l. and 33 l. | 70 % more or 77 l. |
Hydraulic system overflow valve pressure | 26477.9 kPa and 25000 kPa | 6 % more or 1477.9 kPa |
Fuel Capacity | 125 l. and 51.5 l. | 59 % more or 73.5 l. |
Motor
Effective power | 40.3 kW and 28.9 kW | 28 % more or 11.4 kW |
Displacement | 3.3 l. and 2 l. | 39 % more or 1.3 l. |
Carrier
Track shoes number per side | 39 and 38 | 3 % more or 1 |
Booms/sections features 2
Maximum vertical wall digging depth | 3310 mm and 2865 mm | 13 % more or 445 mm |
Maximum excavation depth | 4745 mm and 3895 mm | 18 % more or 850 mm |
Maximum radius along ground level | 7485 mm and 6160 mm | 18 % more or 1325 mm |
Maximum loading height | 4770 mm and 4395 mm | 8 % more or 375 mm |
Booms/sections features 1
Maximum vertical wall digging depth | 2900 mm and 2600 mm | 10 % more or 300 mm |
Maximum excavation depth | 4160 mm and 3520 mm | 15 % more or 640 mm |
Maximum radius along ground level | 6960 mm and 5810 mm | 17 % more or 1150 mm |
Maximum loading height | 4515 mm and 4190 mm | 7 % more or 325 mm |
6 reasons to buy Komatsu PC45R-8:
Operation
Engine oil volume | 8 l. and 7.5 l. | 6 % more or 0.5 l. |
Generator current strength | 40 amperes and 25 amperes | 37 % more or 15 amperes |
Hydraulic pump flow rate | 129.5 l/min and 160 l/min | 19 % less or 30.5 l/min |
Motor
Power measured at | 2500 rev / min and 1850 rev / min | 26 % more or 650 rev |
Carrier
Specific ground pressure | 28.4 kPa and 37.2 kPa | 24 % less or 8.8 kPa |
Maximum travel speed | 4.6 km/h and 4.2 km/h | 9 % more or 0.4 km/h |
Neutral reasons:
Sizes
Rear platform swing radius | 1405 mm and 1470 mm |
Caterpillar track length on ground level | 2235 mm and 1940 mm |
Height to cab upper part | 2730 mm and 2560 mm |
Operation
Operating voltage | 24 V and 24 V |
Working weight | 8270 kg and 4750 kg |
Motor
Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) and natural aspiration |
Cylinders number | 4 and 4 |
Manufacturer | Komatsu and Komatsu |
Model | S4D95LE-3 and 4D84E-3FA |
Carrier
Shoe dimensions | 450 mm and 400 mm |
Rolling bearings number on either side | 5 and 5 |
Track width | 1870 mm and 1500 mm |
Booms/sections features 2
Unit load-transfer height | 2730 mm and 2560 mm |
Unit load-transfer length | 6200 mm and 5485 mm |
Maximum cut height | 6800 mm and 5955 mm |
Booms/sections features 1
Unit load-transfer height | 2730 mm and 2560 mm |
Unit load-transfer length | 6200 mm and 5485 mm |
Maximum cut height | 6570 mm and 5760 mm |
Images
Sizes
4. Caterpillar track length on ground level | 2235 mm | 4. Caterpillar track length on ground level | 1940 mm |
15. Counterweight ground clearance | 735 mm | 15. Counterweight ground clearance | 640 mm |
5. Clearance | 360 mm | 5. Clearance | 340 mm |
7. Height to cab upper part | 2730 mm | 7. Height to cab upper part | 2560 mm |
8. Rear platform swing radius | 1405 mm | 8. Rear platform swing radius | 1470 mm |
2. Width to outside of caterpillar track | 2320 mm | 2. Width to outside of caterpillar track | 1900 mm |
Carrier
6. Track width | 1870 mm | 6. Track width | 1500 mm |
14. Shoe dimensions | 450 mm | 14. Shoe dimensions | 400 mm |
Booms/sections features 1
13. Maximum excavation depth | 4745 mm | 13. Maximum excavation depth | 3895 mm |
1. Unit load-transfer length | 6200 mm | 1. Unit load-transfer length | 5485 mm |
3. Unit load-transfer height | 2730 mm | 3. Unit load-transfer height | 2560 mm |
9. Maximum cut height | 6800 mm | 9. Maximum cut height | 5760 mm |
10. Maximum loading height | 4770 mm | 10. Maximum loading height | 4190 mm |
11. Maximum radius along ground level | 7485 mm | 11. Maximum radius along ground level | 5810 mm |
12. Maximum vertical wall digging depth | 3310 mm | 12. Maximum vertical wall digging depth | 2600 mm |