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Construction Machinery. Wheel-Mounted Loader John Deere 644GH
Sizes
| Wheelbase | 3200 mm |
| Hinge axis maximum height | 4000 mm |
| Radius at maximum lifting and unloading | 1049 mm |
| Length with bucket on ground level | 7860 mm |
| Between tyres width | 2732 mm |
| Height to cab upper part | 3420 mm |
| Clearance | 483 mm |
Shovel
| Breakout power | 169.2 kN |
| Unloading ground clearance at maximum lifting | 2942 mm |
| Shovel width | 3050 mm |
| Bucket capacity with top | 3.1 m3 |
| Brimmed bucket capacity | 2.8 m3 |
Operation
| Working weight | 16616.9 kg |
| Fuel Capacity | 284 l. |
| Hydraulic system fluid volume | 115 l. |
| Engine oil volume | 24 l. |
| Cooling system fluid volume | 28.5 l. |
| Transmission fluid volume | 14 l. |
| Front axle / differential fluid volume | 28 l. |
| Rear axle / differential fluid volume | 28 l. |
| Static tipping weight | 13477.1 kg |
| Turn radius | 5460 mm |
| Operating voltage | 12 V |
| Generator current strength | 95 amperes |
| Rear axle oscillating | 26 degrees |
| Tyre size | 20.5-25 |
Motor
| Manufacturer | John Deere |
| Model | 6076A |
| Effective power | 138 kW |
| Full power | 146 kW |
| Power measured at | 2200 rev / min |
| Displacement | 7.6 l. |
| Torque measured at | 1300 rev / min |
| Cylinders number | 6 |
| Maximum torque | 872 Nm |
| Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) |
Hydraulic system
| Type of pump | gear type pump |
| Overflow valve pressure | 20684.3 kPa |
| Pump bandwidth | 263.1 l/min |
| Lifting time | 6.2 sec |
| Unloading time | 1.8 sec |
| Lowering time | 3.5 sec |
Gear box
| Maximum reverse gear | 22 km/h |
| Transmission type | powershift transmission |
| Forward gears number | 4 |
| Reverse gears number | 3 |
| Maximum forward speed | 34.6 km/h |
Images
Sizes
| 1. Length with bucket on ground level | 7860 mm |
| 2. Between tyres width | 2732 mm |
| 3. Height to cab upper part | 3420 mm |
| 4. Wheelbase | 3200 mm |
| 5. Clearance | 483 mm |
| 6. Hinge axis maximum height | 4000 mm |
| 8. Radius at maximum lifting and unloading | 1049 mm |
Shovel
| 7. Unloading ground clearance at maximum lifting | 2942 mm |