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- Liebherr A311 vs. Hyundai R170W-7A
Liebherr A311 vs. Hyundai R170W-7A
4 reasons to buy Liebherr A311:
Operation
Hydraulic system overflow valve pressure | 35000 kPa and 32336.4 kPa | 8 % more or 2663.6 kPa |
Hydraulic pump flow rate | 220 l/min and 336 l/min | 35 % less or 116 l/min |
Generator current strength | 55 amperes and 50 amperes | 9 % more or 5 amperes |
Boom/section options 1
Maximum loading height | 6750 mm and 6350 mm | 6 % more or 400 mm |
7 reasons to buy Hyundai R170W-7A:
Swing device
Rotation speed | 11 rev / min and 9 rev / min | 18 % more or 2 rev |
Operation
Fuel Capacity | 260 l. and 215 l. | 17 % more or 45 l. |
Motor
Effective power | 86.5 kW and 67.9 kW | 22 % more or 18.6 kW |
Displacement | 4.2 l. and 4 l. | 5 % more or 0.2 l. |
Gear box
Maximum travel speed | 30 km/h and 20 km/h | 33 % more or 10 km/h |
Boom/section options 1
Maximum excavation depth | 5420 mm and 4100 mm | 24 % more or 1320 mm |
Maximum radius along ground level | 8480 mm and 8400 mm | 1 % more or 80 mm |
Neutral reasons:
Operation
Type of hydraulic pump | Variable Displacement Axial Cam Pump and two variable displacement piston pumps |
Tyre size | 9.00-20 and 10.00-20-14PR |
Working weight | 11600 kg and 17260 kg |
Operating voltage | 24 V and 24 V |
Motor
Model | BF4M2012 and D04FD-TAA |
Power measured at | 2000 rev / min and 2000 rev / min |
Cylinders number | 4 and 4 |
Aspiration | Direct injection with turbocharging and turbocharging |
Manufacturer | Deutz and Mitsubishi |
Gear box
Transmission type | Oversized 2-speed gearbox with shift under full load and integrated protection with an extra low gear and Hydro-Static Transmission |
Boom/section options 1
Maximum cut height | 6650 mm and 8990 mm |
Option - Boom/Section (MEX) 1 | Hydraulic adjustable boom 2350mm / Section 2050mm and one-piece boom 16'9" (5100mm) / Section 7'3" (2200mm) |
Unit load-transfer length | 8700 mm and 8610 mm |
Images
Boom/section options 1
9. Maximum cut height | 6650 mm | 9. Maximum cut height | 9220 mm |
10. Maximum loading height | 6750 mm | 10. Maximum loading height | 6620 mm |
11. Maximum radius along ground level | 8400 mm | 11. Maximum radius along ground level | 9250 mm |
13. Maximum excavation depth | 4100 mm | 13. Maximum excavation depth | 6320 mm |
1. Unit load-transfer length | 8700 mm | 1. Unit load-transfer length | 8610 mm |