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- John Deere 644G vs. JCB 456HT Ultrahigh Lift
John Deere 644G vs. JCB 456HT Ultrahigh Lift
7 reasons to buy John Deere 644G:
Sizes
| Fork tines length | 1372 mm and 1220 mm | 11 % more or 152 mm |
| Clearance | 483 mm and 470 mm | 3 % more or 13 mm |
Operation
| Engine oil volume | 24 l. and 18.9 l. | 21 % more or 5.1 l. |
| Turn radius | 5460 mm and 7121 mm | 23 % less or 1661 mm |
| Generator current strength | 95 amperes and 70 amperes | 26 % more or 25 amperes |
| Static tipping forks load | 8278.5 kg and 8314 kg | 0 % less or 35.5 kg |
Hydraulic system
| Lowering time | 3.5 sec and 4.1 sec | 15 % less or 0.6 sec |
23 reasons to buy JCB 456HT Ultrahigh Lift:
Sizes
| Unloading ground clearance at maximum lifting | 4034 mm and 2871 mm | 29 % more or 1163 mm |
| Radius at maximum height and unloading | 1277 mm and 1138 mm | 11 % more or 139 mm |
| Maximum lifting height | 5160 mm and 3818 mm | 26 % more or 1342 mm |
Shovel
| Breakout power | 152 kN and 157.1 kN | 3 % less or 5.1 kN |
| Bucket capacity with top | 3.3 m3 and 2.9 m3 | 12 % more or 0.4 m3 |
| Brimmed bucket capacity | 2.6 m3 and 2.4 m3 | 8 % more or 0.2 m3 |
Operation
| Rear differential fluid volume | 51 l. and 28.4 l. | 44 % more or 22.6 l. |
| Hydraulic system fluid volume | 215 l. and 115 l. | 47 % more or 100 l. |
| Transmission fluid volume | 34 l. and 14 l. | 59 % more or 20 l. |
| Front differential fluid volume | 69 l. and 28.4 l. | 59 % more or 40.6 l. |
| Static bucket tipping load | 9493 kg and 11896.8 kg | 20 % less or 2403.8 kg |
| Fuel Capacity | 320 l. and 284 l. | 11 % more or 36 l. |
| Cooling system fluid volume | 40 l. and 28.5 l. | 29 % more or 11.5 l. |
Motor
| Full power | 160.3 kW and 133 kW | 17 % more or 27.3 kW |
| Effective power | 154.4 kW and 127 kW | 18 % more or 27.4 kW |
| Maximum torque | 915.2 Nm and 811 Nm | 11 % more or 104.2 Nm |
| Torque measured at | 1400 rev / min and 1300 rev / min | 7 % more or 100 rev |
| Displacement | 8.3 l. and 7.6 l. | 8 % more or 0.7 l. |
Hydraulic system
| Pump bandwidth | 326 l/min and 263.1 l/min | 19 % more or 62.9 l/min |
| Lifting time | 5.8 sec and 6.2 sec | 6 % less or 0.4 sec |
| Unloading time | 1.2 sec and 1.8 sec | 33 % less or 0.6 sec |
Gear box
| Maximum reverse gear | 24.4 km/h and 22 km/h | 10 % more or 2.4 km/h |
| Maximum forward speed | 37.4 km/h and 34.6 km/h | 7 % more or 2.8 km/h |
Neutral reasons:
Sizes
| Hinge axis maximum height | 4000 mm and 5270 mm |
| Between tyres width | 2743 mm and 2702 mm |
| Height to cab upper part | 3420 mm and 3370 mm |
| Length with bucket on ground level | 7830 mm and 9450 mm |
| Wheelbase | 3200 mm and 3300 mm |
Operation
| Operating voltage | 12 V and 24 V |
| Rear axle oscillating | 26 degrees and 25 degrees |
| Tyre size | 20.5-25 and Michelin 23.5R25 XHA L3 |
| Working weight | 15980 kg and 21043 kg |
Motor
| Model | 6076A and QSC 8.3 |
| Power measured at | 2200 rev / min and 2200 rev / min |
| Cylinders number | 6 and 6 |
| Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging |
Hydraulic system
| Overflow valve pressure | 20684.3 kPa and 24993.5 kPa |
| Type of pump | gear type pump and twin variable displacement piston pumps |
Gear box
| Transmission type | powershift and smooth power shifting |
| Forward gears number | 4 and 4 |
| Reverse gears number | 3 and 3 |
Images
Sizes
| 6. Hinge axis maximum height | 4000 mm | 6. Hinge axis maximum height | 5270 mm |
| 7. Unloading ground clearance at maximum lifting | 2871 mm | 7. Unloading ground clearance at maximum lifting | 4034 mm |
| 9. Fork tines length | 1372 mm | 9. Fork tines length | 1220 mm |
| 11. Maximum lifting height | 3818 mm | 11. Maximum lifting height | 5160 mm |
| 1. Length with bucket on ground level | 7830 mm | 1. Length with bucket on ground level | 9450 mm |
| 2. Between tyres width | 2743 mm | 2. Between tyres width | 2702 mm |
| 3. Height to cab upper part | 3420 mm | 3. Height to cab upper part | 3370 mm |
| 4. Wheelbase | 3200 mm | 4. Wheelbase | 3300 mm |
| 5. Clearance | 483 mm | 5. Clearance | 470 mm |