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- Hitachi LX450-7 vs. John Deere 644K High-Lift
Hitachi LX450-7 vs. John Deere 644K High-Lift
20 reasons to buy Hitachi LX450-7:
Sizes
Radius at maximum lifting and unloading | 2025 mm and 1120 mm | 45 % more or 905 mm |
Clearance | 490 mm and 408 mm | 17 % more or 82 mm |
Shovel
Unloading ground clearance at maximum lifting | 3330 mm and 3280 mm | 2 % more or 50 mm |
Bucket capacity with top | 5.7 m3 and 3.2 m3 | 44 % more or 2.5 m3 |
Brimmed bucket capacity | 4.8 m3 and 2.8 m3 | 42 % more or 2.0 m3 |
Operation
Static tipping weight | 30890 kg and 12228 kg | 60 % more or 18662 kg |
Front axle / differential fluid volume | 180 l. and 22 l. | 88 % more or 158 l. |
Rear axle / differential fluid volume | 180 l. and 22 l. | 88 % more or 158 l. |
Generator current strength | 110 amperes and 80 amperes | 27 % more or 30 amperes |
Fuel Capacity | 680 l. and 352 l. | 48 % more or 328 l. |
Hydraulic system fluid volume | 280 l. and 110 l. | 61 % more or 170 l. |
Engine oil volume | 83 l. and 24.5 l. | 70 % more or 58.5 l. |
Cooling system fluid volume | 156 l. and 29.5 l. | 81 % more or 126.5 l. |
Transmission fluid volume | 85 l. and 23 l. | 73 % more or 62 l. |
Motor
Effective power | 331 kW and 173 kW | 48 % more or 158 kW |
Power measured at | 2050 rev / min and 1700 rev / min | 17 % more or 350 rev |
Displacement | 18.6 l. and 6.8 l. | 63 % more or 11.8 l. |
Hydraulic system
Pump bandwidth | 359 l/min and 310 l/min | 14 % more or 49 l/min |
Gear box
Reverse gears number | 4 and 3 | 25 % more or 1 |
Maximum reverse gear | 34 km/h and 24.9 km/h | 27 % more or 9.1 km/h |
6 reasons to buy John Deere 644K High-Lift:
Shovel
Breakout power | 135.2 kN and 400 kN | 66 % less or 264.8 kN |
Operation
Turn radius | 5570 mm and 7650 mm | 27 % less or 2080 mm |
Hydraulic system
Lowering time | 3 sec and 4 sec | 25 % less or 1 sec |
Lifting time | 5.5 sec and 8.5 sec | 35 % less or 3.0 sec |
Unloading time | 1.4 sec and 2.3 sec | 39 % less or 0.9 sec |
Gear box
Maximum forward speed | 36.6 km/h and 33 km/h | 10 % more or 3.6 km/h |
Neutral reasons:
Sizes
Hinge axis maximum height | 5030 mm and 4490 mm |
Length with bucket on ground level | 11250 mm and 8610 mm |
Between tyres width | 3700 mm and 2875 mm |
Height to cab upper part | 4230 mm and 3380 mm |
Wheelbase | 4100 mm and 3260 mm |
Shovel
Shovel width | 4050 mm and 3040 mm |
Operation
Operating voltage | 24 V and 24 V |
Rear axle oscillating | 24 degrees and 26 degrees |
Tyre size | 35/65-33-24PR (L4) and 23.5 R25 |
Working weight | 46230 kg and 18506 kg |
Motor
Manufacturer | Mitsubishi and John Deere |
Model | S6A3-Y2TAA1 and 6068H, III Level III certified |
Cylinders number | 6 and 6 |
Aspiration | turbocharging and Turbocharger with charge air cooler by oncoming air flow |
Hydraulic system
Type of pump | gear type pump and variable displacement axial piston pump |
Overflow valve pressure | 20590 kPa and 25165.8 kPa |
Gear box
Transmission type | Powershift Gearbox of planetary type with a solenoid and Powershift transmission of intermediate type |
Forward gears number | 4 and 4 |
Images
Sizes
1. Length with bucket on ground level | 11250 mm | 1. Length with bucket on ground level | 8610 mm |
2. Between tyres width | 3700 mm | 2. Between tyres width | 2875 mm |
3. Height to cab upper part | 4230 mm | 3. Height to cab upper part | 3380 mm |
4. Wheelbase | 4100 mm | 4. Wheelbase | 3260 mm |
5. Clearance | 490 mm | 5. Clearance | 408 mm |
6. Hinge axis maximum height | 5030 mm | 6. Hinge axis maximum height | 4490 mm |
8. Radius at maximum lifting and unloading | 2025 mm | 8. Radius at maximum lifting and unloading | 1120 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 3330 mm | 7. Unloading ground clearance at maximum lifting | 3280 mm |