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- John Deere 544J Z-Bar vs. Michigan L190 Long Boom
John Deere 544J Z-Bar vs. Michigan L190 Long Boom
8 reasons to buy John Deere 544J Z-Bar:
Shovel
Breakout power | 100.8 kN and 224.6 kN | 55 % less or 123.8 kN |
Operation
Turn radius | 4953 mm and 8001 mm | 38 % less or 3048 mm |
Motor
Torque measured at | 1600 rev / min and 1400 rev / min | 12 % more or 200 rev |
Hydraulic system
Pump bandwidth | 189 l/min and 134.4 l/min | 29 % more or 54.6 l/min |
Lifting time | 5.5 sec and 7 sec | 21 % less or 1.5 sec |
Unloading time | 1.4 sec and 3 sec | 53 % less or 1.6 sec |
Lowering time | 2.5 sec and 5 sec | 50 % less or 2.5 sec |
Gear box
Maximum forward speed | 38.3 km/h and 35.9 km/h | 6 % more or 2.4 km/h |
18 reasons to buy Michigan L190 Long Boom:
Sizes
Radius at maximum lifting and unloading | 1397 mm and 990 mm | 29 % more or 407 mm |
Clearance | 584 mm and 450 mm | 23 % more or 134 mm |
Shovel
Unloading ground clearance at maximum lifting | 3759 mm and 2790 mm | 26 % more or 969 mm |
Bucket capacity with top | 4 m3 and 2.3 m3 | 42 % more or 1.7 m3 |
Operation
Hydraulic system fluid volume | 322 l. and 97 l. | 70 % more or 225 l. |
Engine oil volume | 34.1 l. and 21 l. | 38 % more or 13.1 l. |
Fuel Capacity | 409 l. and 322 l. | 21 % more or 87 l. |
Cooling system fluid volume | 75.7 l. and 22 l. | 71 % more or 53.7 l. |
Transmission fluid volume | 47.3 l. and 18.5 l. | 61 % more or 28.8 l. |
Front axle / differential fluid volume | 34.1 l. and 17 l. | 50 % more or 17.1 l. |
Rear axle / differential fluid volume | 34.1 l. and 17 l. | 50 % more or 17.1 l. |
Static tipping weight | 18366 kg and 11510 kg | 37 % more or 6856 kg |
Generator current strength | 100 amperes and 80 amperes | 20 % more or 20 amperes |
Motor
Effective power | 216.3 kW and 124.5 kW | 42 % more or 91.8 kW |
Displacement | 14 l. and 6.8 l. | 51 % more or 7.2 l. |
Maximum torque | 1364 Nm and 672 Nm | 51 % more or 692 Nm |
Gear box
Reverse gears number | 4 and 3 | 25 % more or 1 |
Maximum reverse gear | 35.9 km/h and 24.2 km/h | 33 % more or 11.7 km/h |
Neutral reasons:
Sizes
Wheelbase | 2950 mm and 3505 mm |
Length with bucket on ground level | 7390 mm and 9627 mm |
Hinge axis maximum height | 3840 mm and 5004 mm |
Height to cab upper part | 3250 mm and 3759 mm |
Shovel
Shovel width | 2691.4 mm and 3302 mm |
Operation
Working weight | 12851 kg and 28763 kg |
Operating voltage | 24 V and 24 V |
Rear axle oscillating | 24 degrees and 22 degrees |
Tyre size | 20.5 R25 and 29.5-25 (22PR) L-3 |
Motor
Manufacturer | John Deere and Cummins |
Model | 6068H and NTA 855C335 |
Power measured at | 1900 rev / min and 1900 rev / min |
Cylinders number | 6 and 6 |
Aspiration | Turbocharger with charge air cooler by oncoming air flow and turbocharging |
Hydraulic system
Type of pump | variable displacement axial piston pump and gear type pump |
Overflow valve pressure | 25150 kPa and 18960.6 kPa |
Gear box
Transmission type | automatic transmission system with power gear shifting and Clark 4425-200 |
Forward gears number | 4 and 4 |
Images
Sizes
1. Length with bucket on ground level | 7390 mm | 1. Length with bucket on ground level | 9627 mm |
3. Height to cab upper part | 3250 mm | 3. Height to cab upper part | 3759 mm |
4. Wheelbase | 2950 mm | 4. Wheelbase | 3505 mm |
5. Clearance | 450 mm | 5. Clearance | 584 mm |
6. Hinge axis maximum height | 3840 mm | 6. Hinge axis maximum height | 5004 mm |
8. Radius at maximum lifting and unloading | 990 mm | 8. Radius at maximum lifting and unloading | 1397 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 2790 mm | 7. Unloading ground clearance at maximum lifting | 3759 mm |