- Home/
- Comparison/
- Wheeled Excavator/
- Liebherr A311 vs. Liebherr A900C
Liebherr A311 vs. Liebherr A900C
2 reasons to buy Liebherr A311:
Operation
Hydraulic pump flow rate | 220 l/min and 270 l/min | 19 % less or 50 l/min |
Motor
Power measured at | 2000 rev / min and 1800 rev / min | 10 % more or 200 rev |
7 reasons to buy Liebherr A900C:
Swing device
Swing torque | 42 Nm and 30 Nm | 29 % more or 12 Nm |
Operation
Fuel Capacity | 300 l. and 215 l. | 28 % more or 85 l. |
Motor
Effective power | 89.5 kW and 67.9 kW | 24 % more or 21.6 kW |
Displacement | 6.6 l. and 4 l. | 39 % more or 2.6 l. |
Boom/section options 1
Maximum excavation depth | 5500 mm and 4100 mm | 25 % more or 1400 mm |
Maximum radius along ground level | 9000 mm and 8400 mm | 7 % more or 600 mm |
Maximum loading height | 7400 mm and 6750 mm | 9 % more or 650 mm |
Neutral reasons:
Swing device
Rotation speed | 9 rev / min and 9 rev / min |
Operation
Hydraulic system overflow valve pressure | 35000 kPa and 35000 kPa |
Working weight | 11600 kg and 17800 kg |
Type of hydraulic pump | Variable Displacement Axial Cam Pump and Variable Displacement Axial Cam Pump |
Operating voltage | 24 V and 24 V |
Generator current strength | 55 amperes and 55 amperes |
Tyre size | 9.00-20 and 10.00-20 |
Motor
Manufacturer | Deutz and Liebherr |
Model | BF4M2012 and D 924 TI-E |
Cylinders number | 4 and 4 |
Aspiration | Direct injection with turbocharging and turbocharging and subsequent cooling, reduced amount of emissions |
Gear box
Transmission type | Oversized 2-speed gearbox with shift under full load and integrated protection with an extra low gear and oversized 2-speed gearbox with shift under full load with an extra low gear |
Maximum travel speed | 20 km/h and 20 km/h |
Boom/section options 1
Maximum cut height | 6650 mm and 10200 mm |
Option - Boom/Section (MEX) 1 | Hydraulic adjustable boom 2350mm / Section 2050mm and 3.6 m boom / 2.25 m Section |
Unit load-transfer length | 8700 mm and 8750 mm |
Images
Boom/section options 1
11. Maximum radius along ground level | 8400 mm | 11. Maximum radius along ground level | 9000 mm |
13. Maximum excavation depth | 4100 mm | 13. Maximum excavation depth | 5500 mm |
1. Unit load-transfer length | 8700 mm | 1. Unit load-transfer length | 8750 mm |
9. Maximum cut height | 6650 mm | 9. Maximum cut height | 10350 mm |
10. Maximum loading height | 6750 mm | 10. Maximum loading height | 7550 mm |