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Liebherr R974B vs. Liebherr A944CHD
8 reasons to buy Liebherr R974B:
Swing device
Swing torque | 260 Nm and 125 Nm | 52 % more or 135 Nm |
Sizes
Clearance | 657 mm and 540 mm | 18 % more or 117 mm |
Load-transfer length | 16550 mm and 14200 mm | 14 % more or 2350 mm |
Load-transfer height | 6500 mm and 5900 mm | 9 % more or 600 mm |
Operation
Fuel Capacity | 1280 l. and 660 l. | 48 % more or 620 l. |
Hydraulic system fluid volume | 1200 l. and 740 l. | 38 % more or 460 l. |
Motor
Displacement | 17.2 l. and 10.5 l. | 39 % more or 6.7 l. |
Hydraulic system
Pump bandwidth | 992 l/min and 303 l/min | 69 % more or 689 l/min |
10 reasons to buy Liebherr A944CHD:
Swing device
Rotation speed | 8 rev / min and 5.5 rev / min | 31 % more or 2.5 rev |
Sizes
Upper structure clearance | 3980 mm and 1490 mm | 63 % more or 2490 mm |
Operation
Operational weight without attachment | 57288.7 kg and 91500 kg | 37 % less or 34211.3 kg |
Gear box
Maximum speed | 10 km/h and 2.8 km/h | 72 % more or 7.2 km/h |
Boom features 2
Maximum radius along ground level | 16700 mm and 2400 mm | 86 % more or 14300 mm |
Maximum height | 21700 mm and 2500 mm | 88 % more or 19200 mm |
Maximum depth | 4200 mm and 2600 mm | 38 % more or 1600 mm |
Boom features 1
Maximum radius along ground level | 16000 mm and 2100 mm | 87 % more or 13900 mm |
Maximum height | 21000 mm and 2200 mm | 90 % more or 18800 mm |
Maximum depth | 3500 mm and 2200 mm | 37 % more or 1300 mm |
Neutral reasons:
Wheeled undercarriage
Wheelbase | 5192 mm and 3600 mm |
Sizes
Undercarriage width | 3600 mm and 3800 mm |
Operation
Generator current strength | 80 amperes and 80 amperes |
Operating voltage | 24 V and 24 V |
Motor
Manufacturer | Liebherr and Liebherr |
Model | D9408 TI-E and D 936 L |
Aspiration | Direct injection with turbocharging and turbocharging and subsequent cooling, reduced amount of emissions |
Hydraulic system
Type of pump | Axial cam pump with variable flow and Liebherr piston pump of variable displacement, axial cam, double row |
Boom features 2
Option - Boom/Section (MAT) 2 | gooseneck boom (curved) 1400mm Section 10500mm and 9.5 m boom / 9.5 m Section |
Boom features 1
Option - Boom/Section (MAT) 1 | gooseneck boom (curved) 12000mm Section 9000mm and 9.5 m boom / 808 m Section |
Images
Wheeled undercarriage
4. Wheelbase | 5192 mm | 4. Wheelbase | 3600 mm |
Sizes
1. Load-transfer length | 16550 mm | 1. Load-transfer length | 14200 mm |
2. Undercarriage width | 3600 mm | 2. Undercarriage width | 3800 mm |
3. Load-transfer height | 6500 mm | 3. Load-transfer height | 5900 mm |
5. Clearance | 657 mm | 5. Clearance | 540 mm |
12. Upper structure clearance | 1490 mm | 12. Upper structure clearance | 3980 mm |
Boom features 1
11. Maximum depth | 2200 mm | 11. Maximum depth | 6400 mm |
9. Maximum height | 2500 mm | 9. Maximum height | 19000 mm |
10. Maximum radius along ground level | 2400 mm | 10. Maximum radius along ground level | 18000 mm |