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- John Deere 644G vs. JCB 426HT
John Deere 644G vs. JCB 426HT
15 reasons to buy John Deere 644G:
Sizes
Clearance | 483 mm and 442 mm | 8 % more or 41 mm |
Radius at maximum height and unloading | 1138 mm and 946 mm | 17 % more or 192 mm |
Fork tines length | 1372 mm and 1220 mm | 11 % more or 152 mm |
Maximum lifting height | 3818 mm and 3718 mm | 3 % more or 100 mm |
Shovel
Bucket capacity with top | 2.9 m3 and 1.9 m3 | 34 % more or 1.0 m3 |
Brimmed bucket capacity | 2.4 m3 and 1.6 m3 | 33 % more or 0.8 m3 |
Operation
Generator current strength | 95 amperes and 70 amperes | 26 % more or 25 amperes |
Fuel Capacity | 284 l. and 230.9 l. | 19 % more or 53.1 l. |
Engine oil volume | 24 l. and 14 l. | 42 % more or 10 l. |
Hydraulic system fluid volume | 115 l. and 34.1 l. | 70 % more or 80.9 l. |
Turn radius | 5460 mm and 5791.2 mm | 6 % less or 331.2 mm |
Motor
Maximum torque | 811 Nm and 732.1 Nm | 10 % more or 78.9 Nm |
Displacement | 7.6 l. and 6.7 l. | 12 % more or 0.9 l. |
Full power | 133 kW and 123 kW | 8 % more or 10 kW |
Effective power | 127 kW and 113.3 kW | 11 % more or 13.7 kW |
15 reasons to buy JCB 426HT:
Sizes
Unloading ground clearance at maximum lifting | 2944 mm and 2871 mm | 2 % more or 73 mm |
Shovel
Breakout power | 138 kN and 157.1 kN | 12 % less or 19.1 kN |
Operation
Static bucket tipping load | 10526 kg and 11896.8 kg | 12 % less or 1370.8 kg |
Static tipping forks load | 7570.9 kg and 8278.5 kg | 9 % less or 707.6 kg |
Cooling system fluid volume | 208.2 l. and 28.5 l. | 86 % more or 179.7 l. |
Transmission fluid volume | 26.5 l. and 14 l. | 47 % more or 12.5 l. |
Front differential fluid volume | 39 l. and 28.4 l. | 27 % more or 10.6 l. |
Rear differential fluid volume | 37.1 l. and 28.4 l. | 23 % more or 8.7 l. |
Motor
Torque measured at | 1400 rev / min and 1300 rev / min | 7 % more or 100 rev |
Hydraulic system
Lowering time | 2.7 sec and 3.5 sec | 23 % less or 0.8 sec |
Pump bandwidth | 264 l/min and 263.1 l/min | 0 % more or 0.9 l/min |
Lifting time | 4.4 sec and 6.2 sec | 29 % less or 1.8 sec |
Unloading time | 1 sec and 1.8 sec | 44 % less or 0.8 sec |
Gear box
Maximum forward speed | 37.8 km/h and 34.6 km/h | 8 % more or 3.2 km/h |
Maximum reverse gear | 25.1 km/h and 22 km/h | 12 % more or 3.1 km/h |
Neutral reasons:
Sizes
Height to cab upper part | 3420 mm and 3335 mm |
Wheelbase | 3200 mm and 3000 mm |
Between tyres width | 2743 mm and 2482 mm |
Hinge axis maximum height | 4000 mm and 3906 mm |
Length with bucket on ground level | 7830 mm and 6831 mm |
Operation
Rear axle oscillating | 26 degrees and 21 degrees |
Tyre size | 20.5-25 and Michelin 20.5R25 XHA (L3) |
Working weight | 15980 kg and 13082.1 kg |
Operating voltage | 12 V and 24 V |
Motor
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 Turbocharger with wastegate |
Model | 6076A and QB6.7 |
Hydraulic system
Type of pump | gear type pump and twin variable displacement piston pumps |
Overflow valve pressure | 20684.3 kPa and 24993.5 kPa |
Gear box
Transmission type | powershift and smooth power shifting |
Forward gears number | 4 and 4 |
Reverse gears number | 3 and 3 |
Images
Sizes
11. Maximum lifting height | 3818 mm | 11. Maximum lifting height | 3718 mm |
1. Length with bucket on ground level | 7830 mm | 1. Length with bucket on ground level | 6831 mm |
2. Between tyres width | 2743 mm | 2. Between tyres width | 2482 mm |
3. Height to cab upper part | 3420 mm | 3. Height to cab upper part | 3335 mm |
4. Wheelbase | 3200 mm | 4. Wheelbase | 3000 mm |
5. Clearance | 483 mm | 5. Clearance | 442 mm |
6. Hinge axis maximum height | 4000 mm | 6. Hinge axis maximum height | 3906 mm |
7. Unloading ground clearance at maximum lifting | 2871 mm | 7. Unloading ground clearance at maximum lifting | 2944 mm |
9. Fork tines length | 1372 mm | 9. Fork tines length | 1220 mm |