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- John Deere 744H vs. John Deere 444J High-Lift
John Deere 744H vs. John Deere 444J High-Lift
21 reasons to buy John Deere 744H:
Sizes
Clearance | 465 mm and 396 mm | 15 % more or 69 mm |
Radius at maximum lifting and unloading | 1270 mm and 1042.4 mm | 18 % more or 227.6 mm |
Shovel
Brimmed bucket capacity | 3.8 m3 and 1.6 m3 | 58 % more or 2.2 m3 |
Bucket capacity with top | 4 m3 and 1.9 m3 | 52 % more or 2.1 m3 |
Operation
Fuel Capacity | 432 l. and 246 l. | 43 % more or 186 l. |
Hydraulic system fluid volume | 144 l. and 97 l. | 33 % more or 47 l. |
Engine oil volume | 38 l. and 17.5 l. | 54 % more or 20.5 l. |
Cooling system fluid volume | 43 l. and 19 l. | 56 % more or 24 l. |
Transmission fluid volume | 28 l. and 18.5 l. | 34 % more or 9.5 l. |
Front axle / differential fluid volume | 46 l. and 22 l. | 52 % more or 24 l. |
Rear axle / differential fluid volume | 46 l. and 22 l. | 52 % more or 24 l. |
Static tipping weight | 17190 kg and 7924 kg | 54 % more or 9266 kg |
Motor
Torque measured at | 1500 rev / min and 1400 rev / min | 7 % more or 100 rev |
Displacement | 12.5 l. and 4.5 l. | 64 % more or 8.0 l. |
Maximum torque | 1280 Nm and 515 Nm | 60 % more or 765 Nm |
Cylinders number | 6 and 4 | 33 % more or 2 |
Torque increase | 45 % and 32 % | 29 % more or 13 % |
Effective power | 194 kW and 88.7 kW | 54 % more or 105.3 kW |
Hydraulic system
Pump bandwidth | 393 l/min and 140 l/min | 64 % more or 253 l/min |
Gear box
Maximum forward speed | 39.5 km/h and 37.7 km/h | 5 % more or 1.8 km/h |
Maximum reverse gear | 31 km/h and 25.3 km/h | 18 % more or 5.7 km/h |
7 reasons to buy John Deere 444J High-Lift:
Shovel
Breakout power | 74.1 kN and 168.2 kN | 56 % less or 94.1 kN |
Unloading ground clearance at maximum lifting | 3050 mm and 3042 mm | 0 % more or 8 mm |
Operation
Generator current strength | 80 amperes and 55 amperes | 31 % more or 25 amperes |
Motor
Power measured at | 2200 rev / min and 2000 rev / min | 9 % more or 200 rev |
Hydraulic system
Lifting time | 5.5 sec and 6.6 sec | 17 % less or 1.1 sec |
Unloading time | 1.1 sec and 1.5 sec | 27 % less or 0.4 sec |
Lowering time | 1.9 sec and 3 sec | 37 % less or 1.1 sec |
Neutral reasons:
Sizes
Length with bucket on ground level | 8586 mm and 7162.8 mm |
Height to cab upper part | 3520 mm and 3180 mm |
Wheelbase | 3400 mm and 2740 mm |
Hinge axis maximum height | 4281 mm and 3960 mm |
Shovel
Shovel width | 3040 mm and 2539 mm |
Operation
Rear axle oscillating | 26 degrees and 24 degrees |
Operating voltage | 24 V and 24 V |
Tyre size | 26.5-25 and 17.5 R25 |
Working weight | 22815 kg and 11253 kg |
Motor
Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) and Turbocharger with charge air cooler by oncoming air flow |
Manufacturer | John Deere and John Deere |
Model | 6125A and 4045H |
Hydraulic system
Type of pump | piston pump and Variable Displacement Axial-Piston |
Overflow valve pressure | 22000 kPa and 24800 kPa |
Gear box
Transmission type | powershift and automatic transmission system with power gear shifting |
Forward gears number | 4 and 4 |
Reverse gears number | 3 and 3 |
Images
Sizes
8. Radius at maximum lifting and unloading | 1270 mm | 8. Radius at maximum lifting and unloading | 1042.4 mm |
1. Length with bucket on ground level | 8586 mm | 1. Length with bucket on ground level | 7162.8 mm |
3. Height to cab upper part | 3520 mm | 3. Height to cab upper part | 3180 mm |
4. Wheelbase | 3400 mm | 4. Wheelbase | 2740 mm |
5. Clearance | 465 mm | 5. Clearance | 396 mm |
6. Hinge axis maximum height | 4281 mm | 6. Hinge axis maximum height | 3960 mm |
Shovel
7. Unloading ground clearance at maximum lifting | 3042 mm | 7. Unloading ground clearance at maximum lifting | 3050 mm |