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- 640G serie II
Forestry and Logging Equipment. Skidding Tractor (Skidder) John Deere 640G serie II
Sizes
| Dimensional length | 7230 mm |
| Roller diameter | 203.2 mm |
| Cable width | 15.9 mm |
| Drum capacity at cable width | 77.4 m |
| Maximum traction force on a rope with empty drum | 217 kN |
| Maximum line speed | 44.5 m/min |
| Overall width | 3000 mm |
| Height to cab upper part | 3027 mm |
| Maximum blade height | 1308 mm |
| Wheelbase | 3430 mm |
| Clearance | 514 mm |
Operation
| Working weight | 10841 kg |
| Fuel Capacity | 159 l. |
| Cooling system fluid volume | 28.4 l. |
| Engine oil volume | 18.9 l. |
| Front differential fluid volume | 17 l. |
| Rear differential fluid volume | 28.4 l. |
| Transmission fluid volume | 29.3 l. |
| Hydraulic system fluid volume | 41.6 l. |
| Operating voltage | 12 V |
| Generator current strength | 65 amperes |
| Axle oscillating | 30 degrees |
| Steering angle | 90 degrees |
| Tyre size | 28L-26 |
Motor
| Power measured at | 2200 rev / min |
| Peak torque | 670 Nm |
| Torque measured at | 1350 rev / min |
| Displacement | 6.8 l. |
| Cylinders number | 6 |
| Aspiration | turbocharging |
| Manufacturer | John Deere |
| Model | 6068T |
| Full power | 119 kW |
| Effective power | 114 kW |
Hydraulic system
| Type of pump | variable displacement axial piston pump |
| Pump flow rate | 102 l/min |
| Overflow valve pressure | 20684 kPa |
Gear box
| Transmission type | direct drive, powershift, of planetary type |
| Forward gears number | 8 |
| Reverse gears number | 7 |
| Maximum forward speed | 19.5 km/h |
| Maximum reverse gear | 14.7 km/h |
Images
Sizes
| 5. Clearance | 514 mm |
| 1. Dimensional length | 7230 mm |
| 2. Overall width | 3000 mm |
| 3. Height to cab upper part | 3027 mm |
| 4. Wheelbase | 3430 mm |
