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- 748G serie III
Forestry and Logging Equipment. Skidding Tractor (Skidder) John Deere 748G serie III
Sizes
| Overall width | 3230 mm |
| Blade width | 2964 mm |
| Height to cab upper part | 3130 mm |
| Maximum blade height | 1500 mm |
| Roller diameter | 203.2 mm |
| Wheelbase | 3680 mm |
| Cable width | 15.8 mm |
| Clearance | 599 mm |
| Drum capacity at cable width | 77.4 m |
| Dimensional length | 7763 mm |
| Maximum traction force on a rope with empty drum | 224 kN |
| Grapple height from ground level | 1331 mm |
| Maximum line speed | 43.2 m/min |
| Grapple radius on ground level | 1547 mm |
| Maximum boom height | 3781 mm |
| Tong opening at tips | 3175 mm |
| Grapple load capacity - tongs tip to tip | 1.2 m2 |
Operation
| Working weight | 15595 kg |
| Fuel Capacity | 313 l. |
| Cooling system fluid volume | 28.4 l. |
| Engine oil volume | 23.7 l. |
| Front differential fluid volume | 28.4 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 | 120 amperes |
| Axle oscillating | 30 degrees |
| Steering angle | 90 degrees |
| Tyre size | 30.5x32 |
Motor
| Manufacturer | John Deere |
| Model | 6081H |
| Full power | 132 kW |
| Power measured at | 2200 rev / min |
| Peak torque | 808 Nm |
| Torque measured at | 1400 rev / min |
| Displacement | 8.1 l. |
| Cylinders number | 6 |
| Aspiration | turbocharging |
Hydraulic system
| Pump flow rate | 159 l/min |
| Overflow valve pressure | 20684 kPa |
| Type of pump | variable displacement axial piston pump |
Gear box
| Transmission type | Powershift transmission with direct drive |
| Forward gears number | 8 |
| Reverse gears number | 7 |
| Maximum forward speed | 24.5 km/h |
| Maximum reverse gear | 16.4 km/h |
Images
Sizes
| 1. Dimensional length | 7763 mm |
| 2. Overall width | 3230 mm |
| 3. Height to cab upper part | 3130 mm |
| 4. Wheelbase | 3680 mm |
| 5. Clearance | 599 mm |
| 6. Maximum boom height | 3781 mm |
| 7. Grapple height from ground level | 1331 mm |
| 8. Grapple radius on ground level | 1547 mm |
| 9. Tong opening at tips | 3175 mm |