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- John Deere 748G serie III vs. John Deere 648H
John Deere 748G serie III vs. John Deere 648H
11 reasons to buy John Deere 748G serie III:
Sizes
Maximum boom height | 3781 mm and 3395 mm | 10 % more or 386 mm |
Drum capacity at cable width | 77.4 m and 54.6 m | 29 % more or 22.8 m |
Maximum traction force on a rope with empty drum | 224 kN and 193 kN | 14 % more or 31 kN |
Blade width | 2964 mm and 2184 mm | 26 % more or 780 mm |
Maximum blade height | 1500 mm and 1308 mm | 13 % more or 192 mm |
Clearance | 599 mm and 514 mm | 14 % more or 85 mm |
Operation
Fuel Capacity | 313 l. and 295.3 l. | 6 % more or 17.7 l. |
Generator current strength | 120 amperes and 90 amperes | 25 % more or 30 amperes |
Motor
Full power | 132 kW and 128.3 kW | 3 % more or 3.7 kW |
Displacement | 8.1 l. and 6.8 l. | 16 % more or 1.3 l. |
Gear box
Maximum forward speed | 24.5 km/h and 23 km/h | 6 % more or 1.5 km/h |
7 reasons to buy John Deere 648H:
Sizes
Grapple height from ground level | 794 mm and 1331 mm | 40 % less or 537 mm |
Grapple radius on ground level | 2152 mm and 1547 mm | 28 % more or 605 mm |
Cable width | 19.1 mm and 15.8 mm | 17 % more or 3.3 mm |
Operation
Steering angle | 45 degrees and 90 degrees | 50 % less or 45 degrees |
Hydraulic system fluid volume | 56.8 l. and 41.6 l. | 27 % more or 15.2 l. |
Hydraulic system
Pump flow rate | 109.8 l/min and 159 l/min | 31 % less or 49.2 l/min |
Gear box
Maximum reverse gear | 17.4 km/h and 16.4 km/h | 6 % more or 1.0 km/h |
Neutral reasons:
Sizes
Tong opening at tips | 3175 mm and 3175 mm |
Dimensional length | 7763 mm and 7230 mm |
Grapple load capacity - tongs tip to tip | 1.2 m2 and 1.2 m2 |
Roller diameter | 203.2 mm and 203.2 mm |
Overall width | 3230 mm and 3100 mm |
Height to cab upper part | 3130 mm and 3023 mm |
Wheelbase | 3680 mm and 3430 mm |
Operation
Tyre size | 30.5x32 and 28L-26 |
Working weight | 15595 kg and 14626.1 kg |
Operating voltage | 12 V and 12 V |
Axle oscillating | 30 degrees and 30 degrees |
Motor
Model | 6081H and 6068H |
Power measured at | 2200 rev / min and 2200 rev / min |
Cylinders number | 6 and 6 |
Aspiration | turbocharging and turbocharging |
Manufacturer | John Deere and John Deere |
Hydraulic system
Type of pump | variable displacement axial piston pump and variable displacement axial piston pump |
Overflow valve pressure | 20684 kPa and 21373.7 kPa |
Gear box
Reverse gears number | 7 and 7 |
Transmission type | Powershift transmission with direct drive and powershift |
Forward gears number | 8 and 8 |
Images
Sizes
3. Height to cab upper part | 3130 mm | 3. Height to cab upper part | 3023 mm |
4. Wheelbase | 3680 mm | 4. Wheelbase | 3430 mm |
5. Clearance | 599 mm | 5. Clearance | 514 mm |
6. Maximum boom height | 3781 mm | 6. Maximum boom height | 3395 mm |
7. Grapple height from ground level | 1331 mm | 7. Grapple height from ground level | 794 mm |
8. Grapple radius on ground level | 1547 mm | 8. Grapple radius on ground level | 2152 mm |
9. Tong opening at tips | 3175 mm | 9. Tong opening at tips | 3175 mm |
1. Dimensional length | 7763 mm | 1. Dimensional length | 7230 mm |
2. Overall width | 3230 mm | 2. Overall width | 3100 mm |