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- John Deere 644E vs. Liebherr L576 2 plus 2
John Deere 644E vs. Liebherr L576 2 plus 2
6 reasons to buy John Deere 644E:
Shovel
Breakout power | 164.9 kN and 190 kN | 13 % less or 25.1 kN |
Motor
Power measured at | 2200 rev / min and 2000 rev / min | 9 % more or 200 rev |
Torque measured at | 1400 rev / min and 1300 rev / min | 7 % more or 100 rev |
Hydraulic system
Unloading time | 1.8 sec and 2 sec | 10 % less or 0.2 sec |
Gear box
Forward gears number | 4 and 3 | 25 % more or 1 |
Maximum forward speed | 41 km/h and 40 km/h | 2 % more or 1 km/h |
17 reasons to buy Liebherr L576 2 plus 2:
Sizes
Clearance | 565 mm and 500 mm | 12 % more or 65 mm |
Shovel
Bucket capacity with top | 4.5 m3 and 2.5 m3 | 44 % more or 2.0 m3 |
Unloading ground clearance at maximum lifting | 3187 mm and 2975 mm | 7 % more or 212 mm |
Operation
Generator current strength | 80 amperes and 65 amperes | 19 % more or 15 amperes |
Fuel Capacity | 400 l. and 284 l. | 29 % more or 116 l. |
Hydraulic system fluid volume | 260 l. and 115 l. | 56 % more or 145 l. |
Engine oil volume | 43 l. and 24 l. | 44 % more or 19 l. |
Cooling system fluid volume | 52 l. and 28.5 l. | 45 % more or 23.5 l. |
Front axle / differential fluid volume | 51 l. and 23 l. | 55 % more or 28 l. |
Rear axle / differential fluid volume | 51 l. and 23 l. | 55 % more or 28 l. |
Static tipping weight | 19570 kg and 12329 kg | 37 % more or 7241 kg |
Motor
Displacement | 10.5 l. and 7.6 l. | 28 % more or 2.9 l. |
Maximum torque | 1320 Nm and 691.5 Nm | 48 % more or 628.5 Nm |
Full power | 200 kW and 125.3 kW | 37 % more or 74.7 kW |
Hydraulic system
Pump bandwidth | 290 l/min and 247.9 l/min | 15 % more or 42.1 l/min |
Lifting time | 5.5 sec and 6.2 sec | 11 % less or 0.7 sec |
Gear box
Maximum reverse gear | 40 km/h and 26.4 km/h | 34 % more or 13.6 km/h |
Neutral reasons:
Sizes
Height to cab upper part | 3400 mm and 3550 mm |
Length with bucket on ground level | 7680 mm and 8992 mm |
Wheelbase | 3200 mm and 3580 mm |
Hinge axis maximum height | 4000 mm and 4360 mm |
Shovel
Shovel width | 2780 mm and 3000 mm |
Operation
Rear axle oscillating | 26 degrees and 26 degrees |
Tyre size | 20.5-25 and 26.5R25 |
Working weight | 15471 kg and 24260 kg |
Operating voltage | 12 V and 24 V |
Motor
Cylinders number | 6 and 6 |
Aspiration | turbocharging and turbocharging |
Manufacturer | John Deere and Liebherr |
Model | 6466T and D 936 L A6 |
Hydraulic system
Type of pump | gear type pump and Axial cam pump with adjustable flow rate, load sensing with control of the flow rate and output and cut-off pressure in the control unit |
Overflow valve pressure | 19650 kPa and 35000 kPa |
Lowering time | 3.5 sec and 3.5 sec |
Gear box
Transmission type | powershift and hydrostatic |
Reverse gears number | 3 and 3 |
Images
Sizes
3. Height to cab upper part | 3400 mm | 3. Height to cab upper part | 3550 mm |
4. Wheelbase | 3200 mm | 4. Wheelbase | 3580 mm |
5. Clearance | 500 mm | 5. Clearance | 565 mm |
6. Hinge axis maximum height | 4000 mm | 6. Hinge axis maximum height | 4360 mm |
1. Length with bucket on ground level | 7680 mm | 1. Length with bucket on ground level | 8992 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 2975 mm | 7. Unloading ground clearance at maximum lifting | 3187 mm |