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- Liebherr R974B vs. Komatsu PC800LC-8
Liebherr R974B vs. Komatsu PC800LC-8
7 reasons to buy Liebherr R974B:
Operation
Generator current strength | 80 amperes and 75 amperes | 6 % more or 5 amperes |
Fuel Capacity | 1280 l. and 980 l. | 23 % more or 300 l. |
Hydraulic system fluid volume | 1200 l. and 440 l. | 63 % more or 760 l. |
Motor
Cylinders number | 8 and 6 | 25 % more or 2 |
Effective power | 365.4 kW and 363 kW | 1 % more or 2.4 kW |
Displacement | 17.2 l. and 15.2 l. | 12 % more or 2.0 l. |
Hydraulic system
Pump bandwidth | 992 l/min and 988 l/min | 0 % more or 4 l/min |
11 reasons to buy Komatsu PC800LC-8:
Tracked undercarriage
Track shoes number per side | 51 and 2 | 96 % more or 49 |
Swing device
Swing torque | 283991 Nm and 260 Nm | 100 % more or 283731 Nm |
Rotation speed | 6.8 rev / min and 5.5 rev / min | 19 % more or 1.3 rev |
Operation
Operational weight without attachment | 89339 kg and 91500 kg | 2 % less or 2161 kg |
Gear box
Maximum speed | 4.2 km/h and 2.8 km/h | 33 % more or 1.4 km/h |
Boom features 2
Maximum radius along ground level | 20700 mm and 2400 mm | 88 % more or 18300 mm |
Maximum height | 22200 mm and 2500 mm | 89 % more or 19700 mm |
Maximum depth | 7620 mm and 2600 mm | 66 % more or 5020 mm |
Boom features 1
Maximum radius along ground level | 16800 mm and 2100 mm | 87 % more or 14700 mm |
Maximum height | 18400 mm and 2200 mm | 88 % more or 16200 mm |
Maximum depth | 5638.8 mm and 2200 mm | 61 % more or 3438.8 mm |
Neutral reasons:
Tracked undercarriage
Shoe dimensions | 600 mm and 810 mm |
Rolling bearings number on either side | 9 and 9 |
Caterpillar track length on ground level | 5192 mm and 5020 mm |
Operation
Operating voltage | 24 V and 24 V |
Motor
Aspiration | Direct injection with turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator) |
Manufacturer | Liebherr and Komatsu |
Model | D9408 TI-E and SAA6D140E-5 |
Power measured at | 1800 rev / min and 1800 rev / min |
Hydraulic system
Discharge pressure | 32000 kPa and 34335.9 kPa |
Type of pump | Axial cam pump with variable flow and variable displacement piston pump |
Boom features 2
Option - Boom/Section (MAT) 2 | gooseneck boom (curved) 1400mm Section 10500mm and 2-piece front 20.7 m 68' |
Boom features 1
Option - Boom/Section (MAT) 1 | gooseneck boom (curved) 12000mm Section 9000mm and 2-piece front 16.8 m 55' |
Images
Boom features 1
9. Maximum height | 2500 mm | 9. Maximum height | 22200 mm |
10. Maximum radius along ground level | 2400 mm | 10. Maximum radius along ground level | 20700 mm |
11. Maximum depth | 2600 mm | 11. Maximum depth | 7620 mm |