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- John Deere 644G vs. JCB 436HT Ultrahigh Lift
John Deere 644G vs. JCB 436HT Ultrahigh Lift
13 reasons to buy John Deere 644G:
Sizes
Radius at maximum height and unloading | 1138 mm and 1068 mm | 6 % more or 70 mm |
Fork tines length | 1372 mm and 1220 mm | 11 % more or 152 mm |
Clearance | 483 mm and 459 mm | 5 % more or 24 mm |
Shovel
Bucket capacity with top | 2.9 m3 and 2.4 m3 | 17 % more or 0.5 m3 |
Brimmed bucket capacity | 2.4 m3 and 2.1 m3 | 12 % more or 0.3 m3 |
Operation
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. |
Turn radius | 5460 mm and 6620 mm | 18 % less or 1160 mm |
Generator current strength | 95 amperes and 70 amperes | 26 % more or 25 amperes |
Motor
Full power | 133 kW and 132 kW | 1 % more or 1 kW |
Effective power | 127 kW and 123 kW | 3 % more or 4 kW |
Maximum torque | 811 Nm and 786.4 Nm | 3 % more or 24.6 Nm |
Displacement | 7.6 l. and 5.9 l. | 22 % more or 1.7 l. |
16 reasons to buy JCB 436HT Ultrahigh Lift:
Sizes
Maximum lifting height | 5045 mm and 3818 mm | 24 % more or 1227 mm |
Unloading ground clearance at maximum lifting | 4191 mm and 2871 mm | 31 % more or 1320 mm |
Shovel
Breakout power | 153 kN and 157.1 kN | 3 % less or 4.1 kN |
Operation
Cooling system fluid volume | 34.1 l. and 28.5 l. | 16 % more or 5.6 l. |
Transmission fluid volume | 32.2 l. and 14 l. | 57 % more or 18.2 l. |
Front differential fluid volume | 39 l. and 28.4 l. | 27 % more or 10.6 l. |
Rear differential fluid volume | 39 l. and 28.4 l. | 27 % more or 10.6 l. |
Hydraulic system fluid volume | 208.2 l. and 115 l. | 45 % more or 93.2 l. |
Static bucket tipping load | 7668 kg and 11896.8 kg | 36 % less or 4228.8 kg |
Static tipping forks load | 5428.1 kg and 8278.5 kg | 34 % less or 2850.4 kg |
Hydraulic system
Unloading time | 1 sec and 1.8 sec | 44 % less or 0.8 sec |
Lowering time | 3.4 sec and 3.5 sec | 3 % less or 0.1 sec |
Pump bandwidth | 264 l/min and 263.1 l/min | 0 % more or 0.9 l/min |
Lifting time | 5.9 sec and 6.2 sec | 5 % less or 0.3 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 | 27 km/h and 22 km/h | 19 % more or 5 km/h |
Neutral reasons:
Sizes
Hinge axis maximum height | 4000 mm and 4650 mm |
Length with bucket on ground level | 7830 mm and 7282 mm |
Between tyres width | 2743 mm and 2597 mm |
Height to cab upper part | 3420 mm and 3335 mm |
Wheelbase | 3200 mm and 3000 mm |
Operation
Working weight | 15980 kg and 15925.2 kg |
Operating voltage | 12 V and 24 V |
Rear axle oscillating | 26 degrees and 21 degrees |
Tyre size | 20.5-25 and Michelin 20.5R25 XHA (L3) |
Motor
Manufacturer | John Deere and Cummins |
Model | 6076A and BTAA 5.9C |
Power measured at | 2200 rev / min and 2200 rev / min |
Torque measured at | 1300 rev / min and 1300 rev / min |
Cylinders number | 6 and 6 |
Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) and turbocharging |
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
1. Length with bucket on ground level | 7830 mm | 1. Length with bucket on ground level | 7282 mm |
2. Between tyres width | 2743 mm | 2. Between tyres width | 2597 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 | 459 mm |
6. Hinge axis maximum height | 4000 mm | 6. Hinge axis maximum height | 4650 mm |
7. Unloading ground clearance at maximum lifting | 2871 mm | 7. Unloading ground clearance at maximum lifting | 4191 mm |
9. Fork tines length | 1372 mm | 9. Fork tines length | 1220 mm |
11. Maximum lifting height | 3818 mm | 11. Maximum lifting height | 5045 mm |