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John Deere 644H vs. JCB 456 Waste master
8 reasons to buy John Deere 644H:
Shovel
Brimmed bucket capacity | 2.9 m3 and 2.8 m3 | 3 % more or 0.1 m3 |
Breakout power | 128.9 kN and 145 kN | 11 % less or 16.1 kN |
Operation
Fuel Capacity | 379 l. and 370 l. | 2 % more or 9 l. |
Turn radius | 5500 mm and 6630 mm | 17 % less or 1130 mm |
Motor
Effective power | 165 kW and 146.9 kW | 11 % more or 18.1 kW |
Maximum torque | 1020 Nm and 902 Nm | 12 % more or 118 Nm |
Hydraulic system
Lowering time | 3 sec and 4.1 sec | 27 % less or 1.1 sec |
Gear box
Maximum reverse gear | 24.9 km/h and 24.4 km/h | 2 % more or 0.5 km/h |
13 reasons to buy JCB 456 Waste master:
Sizes
Unloading ground clearance at maximum lifting | 4030 mm and 2713 mm | 33 % more or 1317 mm |
Radius at maximum height and unloading | 1320 mm and 1128 mm | 15 % more or 192 mm |
Clearance | 470 mm and 461 mm | 2 % more or 9 mm |
Shovel
Bucket capacity with top | 3.5 m3 and 3.2 m3 | 9 % more or 0.3 m3 |
Operation
Generator current strength | 70 amperes and 55 amperes | 21 % more or 15 amperes |
Static bucket tipping load | 9688 kg and 14156.6 kg | 32 % less or 4468.6 kg |
Motor
Torque measured at | 1400 rev / min and 1300 rev / min | 7 % more or 100 rev |
Full power | 161.1 kW and 134 kW | 17 % more or 27.1 kW |
Displacement | 8.3 l. and 8.1 l. | 2 % more or 0.2 l. |
Hydraulic system
Pump bandwidth | 410 l/min and 257.4 l/min | 37 % more or 152.6 l/min |
Lifting time | 5.8 sec and 6.2 sec | 6 % less or 0.4 sec |
Unloading time | 1.2 sec and 1.4 sec | 14 % less or 0.2 sec |
Gear box
Maximum forward speed | 37.4 km/h and 35.4 km/h | 5 % more or 2.0 km/h |
Neutral reasons:
Sizes
Between tyres width | 2874 mm and 2702 mm |
Height to cab upper part | 3404 mm and 3410 mm |
Wheelbase | 3200 mm and 3300 mm |
Hinge axis maximum height | 4144 mm and 5310 mm |
Length with bucket on ground level | 8266 mm and 9470 mm |
Operation
Operating voltage | 24 V and 24 V |
Rear axle oscillating | 26 degrees and 25 degrees |
Tyre size | 23.5-25 and Michelin 23.5R25 XHA L3 |
Working weight | 17631 kg and 21627 kg |
Motor
Power measured at | 2200 rev / min and 2200 rev / min |
Manufacturer | John Deere and Cummins |
Model | 6081H and 6CT 8.3C |
Aspiration | turbocharging and turbocharging |
Hydraulic system
Type of pump | piston pump and twin variable displacement piston pumps |
Overflow valve pressure | 24850 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
7. Unloading ground clearance at maximum lifting | 2713 mm | 7. Unloading ground clearance at maximum lifting | 4030 mm |
1. Length with bucket on ground level | 8266 mm | 1. Length with bucket on ground level | 9470 mm |
2. Between tyres width | 2874 mm | 2. Between tyres width | 2702 mm |
3. Height to cab upper part | 3404 mm | 3. Height to cab upper part | 3410 mm |
4. Wheelbase | 3200 mm | 4. Wheelbase | 3300 mm |
5. Clearance | 461 mm | 5. Clearance | 470 mm |
6. Hinge axis maximum height | 4144 mm | 6. Hinge axis maximum height | 5310 mm |