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- John Deere 644K High-Lift vs. Hitachi LX80-7
John Deere 644K High-Lift vs. Hitachi LX80-7
19 reasons to buy John Deere 644K High-Lift:
Sizes
Clearance | 408 mm and 365 mm | 11 % more or 43 mm |
Radius at maximum lifting and unloading | 1120 mm and 1030 mm | 8 % more or 90 mm |
Shovel
Unloading ground clearance at maximum lifting | 3280 mm and 2740 mm | 16 % more or 540 mm |
Bucket capacity with top | 3.2 m3 and 1.6 m3 | 50 % more or 1.6 m3 |
Brimmed bucket capacity | 2.8 m3 and 1.3 m3 | 54 % more or 1.5 m3 |
Operation
Fuel Capacity | 352 l. and 155 l. | 56 % more or 197 l. |
Hydraulic system fluid volume | 110 l. and 50 l. | 55 % more or 60 l. |
Engine oil volume | 24.5 l. and 13 l. | 47 % more or 11.5 l. |
Cooling system fluid volume | 29.5 l. and 23 l. | 22 % more or 6.5 l. |
Front axle / differential fluid volume | 22 l. and 14 l. | 36 % more or 8 l. |
Rear axle / differential fluid volume | 22 l. and 14 l. | 36 % more or 8 l. |
Static tipping weight | 12228 kg and 6310 kg | 48 % more or 5918 kg |
Generator current strength | 80 amperes and 50 amperes | 37 % more or 30 amperes |
Motor
Displacement | 6.8 l. and 4.3 l. | 37 % more or 2.5 l. |
Cylinders number | 6 and 4 | 33 % more or 2 |
Effective power | 173 kW and 80.9 kW | 53 % more or 92.1 kW |
Hydraulic system
Pump bandwidth | 310 l/min and 141 l/min | 55 % more or 169 l/min |
Lifting time | 5.5 sec and 5.6 sec | 2 % less or 0.1 sec |
Gear box
Maximum forward speed | 36.6 km/h and 34.5 km/h | 6 % more or 2.1 km/h |
5 reasons to buy Hitachi LX80-7:
Shovel
Breakout power | 79 kN and 135.2 kN | 42 % less or 56.2 kN |
Operation
Turn radius | 4690 mm and 5570 mm | 16 % less or 880 mm |
Motor
Power measured at | 2200 rev / min and 1700 rev / min | 23 % more or 500 rev |
Hydraulic system
Unloading time | 1.2 sec and 1.4 sec | 14 % less or 0.2 sec |
Gear box
Maximum reverse gear | 34.5 km/h and 24.9 km/h | 28 % more or 9.6 km/h |
Neutral reasons:
Sizes
Height to cab upper part | 3380 mm and 3140 mm |
Length with bucket on ground level | 8610 mm and 6360 mm |
Between tyres width | 2875 mm and 2320 mm |
Wheelbase | 3260 mm and 2600 mm |
Hinge axis maximum height | 4490 mm and 3605 mm |
Shovel
Shovel width | 3040 mm and 2480 mm |
Operation
Working weight | 18506 kg and 8120 kg |
Operating voltage | 24 V and 24 V |
Rear axle oscillating | 26 degrees and 24 degrees |
Tyre size | 23.5 R25 and 17.5-25-12PR (L2) |
Motor
Aspiration | Turbocharger with charge air cooler by oncoming air flow and turbocharging |
Manufacturer | John Deere and Isuzu |
Model | 6068H, III Level III certified and DD-4BG1T |
Hydraulic system
Type of pump | variable displacement axial piston pump and gear type pump |
Overflow valve pressure | 25165.8 kPa and 14700 kPa |
Lowering time | 3 sec and 3 sec |
Gear box
Transmission type | Powershift transmission of intermediate type and Two-speed switching; selection of high / low speed through a hydraulic clutch |
Images
Sizes
1. Length with bucket on ground level | 8610 mm | 1. Length with bucket on ground level | 6360 mm |
2. Between tyres width | 2875 mm | 2. Between tyres width | 2320 mm |
3. Height to cab upper part | 3380 mm | 3. Height to cab upper part | 3140 mm |
4. Wheelbase | 3260 mm | 4. Wheelbase | 2600 mm |
5. Clearance | 408 mm | 5. Clearance | 365 mm |
6. Hinge axis maximum height | 4490 mm | 6. Hinge axis maximum height | 3605 mm |
8. Radius at maximum lifting and unloading | 1120 mm | 8. Radius at maximum lifting and unloading | 1030 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 3280 mm | 7. Unloading ground clearance at maximum lifting | 2740 mm |