Forestry and Logging Equipment. Skidding Tractor (Skidder) John Deere 648E
Sizes
| Overall width | 3110 mm |
| Grapple height from ground level | 1372 mm |
| Height to cab upper part | 3020 mm |
| Grapple radius on ground level | 1550 mm |
| Maximum blade height | 1310 mm |
| Maximum boom height | 3680 mm |
| Wheelbase | 3430 mm |
| Tong opening at tips | 2870 mm |
| Grapple load capacity - tongs tip to tip | 0.93 m2 |
| Clearance | 514 mm |
| Roller diameter | 203.2 mm |
| Dimensional length | 7230 mm |
| Cable width | 19.1 mm |
| Grapple height from ground level | 787 mm |
| Drum capacity at cable width | 54.6 m |
| Grapple radius on ground level | 2240 mm |
| Maximum traction force on a rope with empty drum | 173 kN |
| Maximum boom height | 3200 mm |
| Maximum line speed | 73.8 m/min |
| Tong opening at tips | 2870 mm |
| Grapple load capacity - tongs tip to tip | 0.93 m2 |
| Dimensional length | 7350 mm |
Operation
| Operating voltage | 12 V |
| Generator current strength | 95 amperes |
| Steering angle | 90 degrees |
| Tyre size | 28L-26 |
| Working weight | 13200 kg |
| Fuel Capacity | 197 l. |
| Cooling system fluid volume | 24.6 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. |
Motor
| Manufacturer | John Deere |
| Model | 6068T |
| Full power | 110 kW |
| Effective power | 104 kW |
| Power measured at | 2200 rev / min |
| Peak torque | 612 Nm |
| Torque measured at | 1350 rev / min |
| Displacement | 6.8 l. |
| Cylinders number | 6 |
| Aspiration | turbocharging |
Hydraulic system
| Type of pump | axial piston, with pressure compensation |
| Pump flow rate | 162.8 l/min |
| Overflow valve pressure | 20684 kPa |
Gear box
| Transmission type | Powershift transmission with direct drive |
| Forward gears number | 8 |
| Reverse gears number | 4 |
| Maximum forward speed | 26.3 km/h |
| Maximum reverse gear | 9.4 km/h |
Images
Sizes
| 1. Dimensional length | 7350 mm |
| 2. Overall width | 3110 mm |
| 3. Height to cab upper part | 3020 mm |
| 4. Wheelbase | 3430 mm |
| 5. Clearance | 514 mm |
| 6. Maximum boom height | 3680 mm |
| 7. Grapple height from ground level | 1372 mm |
| 8. Grapple radius on ground level | 1550 mm |
| 9. Tong opening at tips | 2870 mm |