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- John Deere 770A vs. John Deere 772B
John Deere 770A vs. John Deere 772B
4 reasons to buy John Deere 770A:
Steerage
| Turn radius | 6.7 m and 6.9 m | 3 % less or 0.2 m |
Operation
| Hydraulic system fluid volume | 117 l. and 87.1 l. | 26 % more or 29.9 l. |
Hydraulic system
| Pump flow rate | 136.3 l/min and 198.4 l/min | 31 % less or 62.1 l/min |
Circle
| Blade tilt rear angle | 10 degrees and 5 degrees | 50 % more or 5 degrees |
15 reasons to buy John Deere 772B:
Operation
| Oil system fluid volume | 24.6 l. and 18.9 l. | 23 % more or 5.7 l. |
| Rear axle standard operating weight | 10455.3 kg and 9848.4 kg | 6 % more or 606.9 kg |
| Front axle maximum operating weight | 4830.8 kg and 4123.6 kg | 15 % more or 707.2 kg |
| Rear axle maximum operating weight | 11829.7 kg and 11230 kg | 5 % more or 599.7 kg |
| Fuel Capacity | 340.7 l. and 265 l. | 22 % more or 75.7 l. |
| Front axle standard operating weight | 4263.8 kg and 3877.3 kg | 9 % more or 386.5 kg |
Motor
| Torque measured at | 1400 rev / min and 1300 rev / min | 7 % more or 100 rev |
| Effective speeds output 7-8 | 115.6 kW and 111.9 kW | 3 % more or 3.7 kW |
| Maximum power | 115.6 kW and 111.9 kW | 3 % more or 3.7 kW |
| Effective drives torque 7-8 | 650.8 Nm and 630.5 Nm | 3 % more or 20.3 Nm |
Gear box
| Maximum forward speed | 40.6 km/h and 40.4 km/h | 0 % more or 0.2 km/h |
Circle
| Blade tilt front angle | 49 degrees and 44 degrees | 10 % more or 5 degrees |
| Maximum radius outside left tyres | 2160 mm and 2280 mm | 5 % less or 120 mm |
| Right maximum radius outside tyres | 2110 mm and 2250 mm | 6 % less or 140 mm |
| Maximum lifting above ground level | 470 mm and 432 mm | 8 % more or 38 mm |
Neutral reasons:
Steerage
| Left and right hinge connection | 25 degrees and 25 degrees |
Sizes
| Height to cab upper part | 3200 mm and 3090 mm |
| Dimensional length | 8470 mm and 8510 mm |
| Between tyres width | 2440 mm and 2440 mm |
| Wheelbase | 5970 mm and 5970 mm |
| Blade base | 2720 mm and 2670 mm |
| Dual axis wheelbase | 1540 mm and 1540 mm |
| Front part clearance | 572 mm and 572 mm |
Operation
| Cooling system fluid volume | 26.5 l. and 26.5 l. |
| Overall standard operating weight | 13725.7 kg and 14719.1 kg |
| Circular gearbox fluid volume | 3.8 l. and 3.8 l. |
| Each tandem case fluid volume | 18.9 l. and 18.9 l. |
| Total maximum operating weight | 15353.6 kg and 16660.4 kg |
| Tyre size | 14.00-25 and 14.00-24 |
| Operating voltage | 24 V and 24 V |
| Generator current strength | 42 amperes and 42 amperes |
Motor
| Model | 6-466A and 6466T |
| Power measured at | 2200 rev / min and 2200 rev / min |
| Cylinders number | 6 and 6 |
| Manufacturer | John Deere and John Deere |
| Displacement | 7.6 l. and 7.6 l. |
| Aspiration | Turbocharging with intercooler and turbocharging |
Hydraulic system
| Type of pump | Constant pressure system with locking in the middle position, with the piston pump of variable displacement volume and Constant pressure system with locking in the middle position, with the piston pump of variable displacement volume |
Gear box
| Reverse gears number | 4 and 4 |
| Maximum reverse gear | 13.8 km/h and 13.8 km/h |
| Transmission type | powershift and powershift |
| Forward gears number | 8 and 8 |
Front Axle
| General fluctuations | 30 degrees and 32 degrees |
| Clearance | 572 mm and 572 mm |
| Wheel tilt | 20 degrees and 20 degrees |
Dump
| Mouldboard width | 3657.6 mm and 3657.6 mm |
| Mouldboard height | 609.6 mm and 609.6 mm |
| Mouldboard thickness | 22.4 mm and 22.4 mm |
| Left lateral displacement | 683 mm and 683 mm |
| Lateral right shift | 683 mm and 683 mm |
Circle
| Rotating | 360 degrees and 360 degrees |
| Left shift | 851 mm and 787 mm |
| Right shift | 813 mm and 724 mm |
| Diameter | 1500 mm and 1520 mm |
Images
Sizes
| 1. Dimensional length | 8470 mm | 1. Dimensional length | 8510 mm |
| 2. Between tyres width | 2440 mm | 2. Between tyres width | 2440 mm |
| 3. Height to cab upper part | 3200 mm | 3. Height to cab upper part | 3090 mm |
| 4. Wheelbase | 5970 mm | 4. Wheelbase | 5970 mm |
| 6. Front part clearance | 572 mm | 6. Front part clearance | 572 mm |
| 7. Dual axis wheelbase | 1540 mm | 7. Dual axis wheelbase | 1540 mm |
| 8. Blade base | 2720 mm | 8. Blade base | 2670 mm |