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John Deere 644H vs. Michigan L90
15 reasons to buy John Deere 644H:
Sizes
Clearance | 461 mm and 400 mm | 13 % more or 61 mm |
Fork tines length | 1525 mm and 1225 mm | 20 % more or 300 mm |
Radius at maximum height and unloading | 1128 mm and 1050 mm | 7 % more or 78 mm |
Maximum lifting height | 3929 mm and 3675 mm | 6 % more or 254 mm |
Shovel
Brimmed bucket capacity | 2.9 m3 and 2.1 m3 | 28 % more or 0.8 m3 |
Bucket capacity with top | 3.2 m3 and 2.5 m3 | 22 % more or 0.7 m3 |
Operation
Fuel Capacity | 379 l. and 185 l. | 51 % more or 194 l. |
Turn radius | 5500 mm and 5835 mm | 6 % less or 335 mm |
Motor
Maximum torque | 1020 Nm and 549.1 Nm | 46 % more or 470.9 Nm |
Displacement | 8.1 l. and 5.5 l. | 32 % more or 2.6 l. |
Full power | 134 kW and 116.3 kW | 13 % more or 17.7 kW |
Effective power | 165 kW and 108.1 kW | 34 % more or 56.9 kW |
Hydraulic system
Pump bandwidth | 257.4 l/min and 202 l/min | 22 % more or 55.4 l/min |
Lifting time | 6.2 sec and 6.6 sec | 6 % less or 0.4 sec |
Unloading time | 1.4 sec and 1.5 sec | 7 % less or 0.1 sec |
8 reasons to buy Michigan L90:
Sizes
Unloading ground clearance at maximum lifting | 2810 mm and 2713 mm | 3 % more or 97 mm |
Shovel
Breakout power | 119 kN and 128.9 kN | 8 % less or 9.9 kN |
Operation
Static bucket tipping load | 9870.2 kg and 14156.6 kg | 30 % less or 4286.4 kg |
Static tipping forks load | 5000 kg and 10334 kg | 52 % less or 5334 kg |
Motor
Torque measured at | 1400 rev / min and 1300 rev / min | 7 % more or 100 rev |
Hydraulic system
Lowering time | 2.8 sec and 3 sec | 7 % less or 0.2 sec |
Gear box
Maximum forward speed | 40.1 km/h and 35.4 km/h | 12 % more or 4.7 km/h |
Maximum reverse gear | 29 km/h and 24.9 km/h | 14 % more or 4.1 km/h |
Neutral reasons:
Sizes
Wheelbase | 3200 mm and 3000 mm |
Between tyres width | 2874 mm and 2490 mm |
Hinge axis maximum height | 4144 mm and 3810 mm |
Height to cab upper part | 3404 mm and 3030 mm |
Length with bucket on ground level | 8266 mm and 7170 mm |
Length with forks on ground level | 8641 mm and 7185 mm |
Operation
Working weight | 17631 kg and 12945.5 kg |
Operating voltage | 24 V and 24 V |
Generator current strength | 55 amperes and 55 amperes |
Rear axle oscillating | 26 degrees and 30 degrees |
Tyre size | 23.5-25 and 20.5R25 |
Motor
Power measured at | 2200 rev / min and 2200 rev / min |
Cylinders number | 6 and 6 |
Aspiration | turbocharging and turbocharging |
Manufacturer | John Deere and Volvo |
Model | 6081H and TD61G |
Hydraulic system
Type of pump | piston pump and vane pumps |
Overflow valve pressure | 24850 kPa and 20511.9 kPa |
Gear box
Transmission type | powershift and Volvo BM HT131 |
Forward gears number | 4 and 4 |
Reverse gears number | 3 and 3 |
Images
Sizes
10. Length with forks on ground level | 8641 mm | 10. Length with forks on ground level | 7185 mm |
11. Maximum lifting height | 3929 mm | 11. Maximum lifting height | 3675 mm |
1. Length with bucket on ground level | 8266 mm | 1. Length with bucket on ground level | 7170 mm |
2. Between tyres width | 2874 mm | 2. Between tyres width | 2490 mm |
3. Height to cab upper part | 3404 mm | 3. Height to cab upper part | 3030 mm |
4. Wheelbase | 3200 mm | 4. Wheelbase | 3000 mm |
5. Clearance | 461 mm | 5. Clearance | 400 mm |
6. Hinge axis maximum height | 4144 mm | 6. Hinge axis maximum height | 3810 mm |
7. Unloading ground clearance at maximum lifting | 2713 mm | 7. Unloading ground clearance at maximum lifting | 2810 mm |
9. Fork tines length | 1525 mm | 9. Fork tines length | 1225 mm |