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- John Deere 544K Z-Bar vs. Hitachi LX450-7
John Deere 544K Z-Bar vs. Hitachi LX450-7
6 reasons to buy John Deere 544K Z-Bar:
Shovel
Breakout power | 100.9 kN and 400 kN | 75 % less or 299.1 kN |
Operation
Turn radius | 5000 mm and 7650 mm | 35 % less or 2650 mm |
Hydraulic system
Unloading time | 1.2 sec and 2.3 sec | 48 % less or 1.1 sec |
Lowering time | 3.2 sec and 4 sec | 20 % less or 0.8 sec |
Lifting time | 5.8 sec and 8.5 sec | 32 % less or 2.7 sec |
Gear box
Maximum forward speed | 35.7 km/h and 33 km/h | 8 % more or 2.7 km/h |
20 reasons to buy Hitachi LX450-7:
Sizes
Clearance | 490 mm and 400 mm | 18 % more or 90 mm |
Radius at maximum lifting and unloading | 2025 mm and 990 mm | 51 % more or 1035 mm |
Shovel
Unloading ground clearance at maximum lifting | 3330 mm and 2760 mm | 17 % more or 570 mm |
Bucket capacity with top | 5.7 m3 and 2.3 m3 | 60 % more or 3.4 m3 |
Brimmed bucket capacity | 4.8 m3 and 2 m3 | 58 % more or 2.8 m3 |
Operation
Rear axle / differential fluid volume | 180 l. and 17 l. | 91 % more or 163 l. |
Static tipping weight | 30890 kg and 10896 kg | 65 % more or 19994 kg |
Generator current strength | 110 amperes and 80 amperes | 27 % more or 30 amperes |
Fuel Capacity | 680 l. and 325 l. | 52 % more or 355 l. |
Hydraulic system fluid volume | 280 l. and 91 l. | 67 % more or 189 l. |
Engine oil volume | 83 l. and 19 l. | 77 % more or 64 l. |
Cooling system fluid volume | 156 l. and 23 l. | 85 % more or 133 l. |
Transmission fluid volume | 85 l. and 18.5 l. | 78 % more or 66.5 l. |
Front axle / differential fluid volume | 180 l. and 17 l. | 91 % more or 163 l. |
Motor
Effective power | 331 kW and 124.5 kW | 62 % more or 206.5 kW |
Power measured at | 2050 rev / min and 1900 rev / min | 7 % more or 150 rev |
Displacement | 18.6 l. and 6.8 l. | 63 % more or 11.8 l. |
Hydraulic system
Pump bandwidth | 359 l/min and 189 l/min | 47 % more or 170 l/min |
Gear box
Reverse gears number | 4 and 3 | 25 % more or 1 |
Maximum reverse gear | 34 km/h and 24.1 km/h | 29 % more or 9.9 km/h |
Neutral reasons:
Sizes
Length with bucket on ground level | 7430 mm and 11250 mm |
Between tyres width | 2546 mm and 3700 mm |
Height to cab upper part | 3240 mm and 4230 mm |
Wheelbase | 2930 mm and 4100 mm |
Hinge axis maximum height | 3820 mm and 5030 mm |
Shovel
Shovel width | 2540 mm and 4050 mm |
Operation
Operating voltage | 24 V and 24 V |
Rear axle oscillating | 24 degrees and 24 degrees |
Tyre size | 20.5 R 25 and 35/65-33-24PR (L4) |
Working weight | 12820 kg and 46230 kg |
Motor
Model | E 6068H, III Level III certified and S6A3-Y2TAA1 |
Manufacturer | John Deere and Mitsubishi |
Cylinders number | 6 and 6 |
Aspiration | Turbocharger with charge air cooler by oncoming air flow and turbocharging |
Hydraulic system
Type of pump | variable displacement piston pump axial piston and gear type pump |
Overflow valve pressure | 25165.8 kPa and 20590 kPa |
Gear box
Transmission type | Powershift transmission of intermediate type and Powershift Gearbox of planetary type with a solenoid |
Forward gears number | 4 and 4 |
Images
Sizes
1. Length with bucket on ground level | 7430 mm | 1. Length with bucket on ground level | 11250 mm |
2. Between tyres width | 2546 mm | 2. Between tyres width | 3700 mm |
3. Height to cab upper part | 3240 mm | 3. Height to cab upper part | 4230 mm |
4. Wheelbase | 2930 mm | 4. Wheelbase | 4100 mm |
5. Clearance | 400 mm | 5. Clearance | 490 mm |
6. Hinge axis maximum height | 3820 mm | 6. Hinge axis maximum height | 5030 mm |
8. Radius at maximum lifting and unloading | 990 mm | 8. Radius at maximum lifting and unloading | 2025 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 2760 mm | 7. Unloading ground clearance at maximum lifting | 3330 mm |