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- John Deere 644H vs. Doosan MEGA200TC
John Deere 644H vs. Doosan MEGA200TC
12 reasons to buy John Deere 644H:
Sizes
Unloading ground clearance at maximum lifting | 2713 mm and 2710 mm | 0 % more or 3 mm |
Clearance | 461 mm and 370 mm | 20 % more or 91 mm |
Radius at maximum height and unloading | 1128 mm and 1041 mm | 8 % more or 87 mm |
Shovel
Brimmed bucket capacity | 2.9 m3 and 1.8 m3 | 38 % more or 1.1 m3 |
Operation
Fuel Capacity | 379 l. and 260 l. | 31 % more or 119 l. |
Generator current strength | 55 amperes and 50 amperes | 9 % more or 5 amperes |
Motor
Full power | 134 kW and 106.6 kW | 20 % more or 27.4 kW |
Effective power | 165 kW and 102.9 kW | 38 % more or 62.1 kW |
Maximum torque | 1020 Nm and 558.6 Nm | 45 % more or 461.4 Nm |
Displacement | 8.1 l. and 5.8 l. | 28 % more or 2.3 l. |
Hydraulic system
Lowering time | 3 sec and 3.3 sec | 9 % less or 0.3 sec |
Gear box
Maximum reverse gear | 24.9 km/h and 23.4 km/h | 6 % more or 1.5 km/h |
7 reasons to buy Doosan MEGA200TC:
Shovel
Breakout power | 105.9 kN and 128.9 kN | 18 % less or 23.0 kN |
Operation
Turn radius | 4949 mm and 5500 mm | 10 % less or 551 mm |
Static bucket tipping load | 8000 kg and 14156.6 kg | 43 % less or 6156.6 kg |
Motor
Torque measured at | 1500 rev / min and 1300 rev / min | 13 % more or 200 rev |
Hydraulic system
Lifting time | 5 sec and 6.2 sec | 19 % less or 1.2 sec |
Unloading time | 1.2 sec and 1.4 sec | 14 % less or 0.2 sec |
Gear box
Maximum forward speed | 36 km/h and 35.4 km/h | 2 % more or 0.6 km/h |
Neutral reasons:
Sizes
Between tyres width | 2874 mm and 2365 mm |
Height to cab upper part | 3404 mm and 3180 mm |
Wheelbase | 3200 mm and 2900 mm |
Length with bucket on ground level | 8266 mm and 7280 mm |
Operation
Tyre size | 23.5-25 and 17.5x25-12PR (L2) |
Working weight | 17631 kg and 11000 kg |
Operating voltage | 24 V and 24 V |
Rear axle oscillating | 26 degrees and 11 degrees |
Motor
Aspiration | turbocharging and Turbocharging with subsequent air cooling (by a cooling radiator) |
Power measured at | 2200 rev / min and 2200 rev / min |
Cylinders number | 6 and 6 |
Manufacturer | John Deere and Doosan |
Model | 6081H and DB58Ti |
Hydraulic system
Type of pump | piston pump and gear type pump |
Overflow valve pressure | 24850 kPa and 19615.6 kPa |
Gear box
Forward gears number | 4 and 4 |
Reverse gears number | 3 and 3 |
Transmission type | powershift and Powershift transmission of intermediate type |
Images
Sizes
1. Length with bucket on ground level | 8266 mm | 1. Length with bucket on ground level | 7280 mm |
2. Between tyres width | 2874 mm | 2. Between tyres width | 2365 mm |
3. Height to cab upper part | 3404 mm | 3. Height to cab upper part | 3180 mm |
4. Wheelbase | 3200 mm | 4. Wheelbase | 2900 mm |
5. Clearance | 461 mm | 5. Clearance | 370 mm |
7. Unloading ground clearance at maximum lifting | 2713 mm | 7. Unloading ground clearance at maximum lifting | 2710 mm |