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Construction Machinery. Grader John Deere 770CH
Steerage
| Left and right hinge connection | 25 degrees |
| Turn radius | 6.7 m |
Sizes
| Height to cab upper part | 3120 mm |
| Dimensional length | 8610 mm |
| Between tyres width | 2510 mm |
| Wheelbase | 5970 mm |
| Blade base | 2670 mm |
| Dual axis wheelbase | 1540 mm |
| Front part clearance | 638 mm |
Operation
| Front axle standard operating weight | 3987.1 kg |
| Rear axle standard operating weight | 10301.1 kg |
| Overall standard operating weight | 14288.2 kg |
| Front axle maximum operating weight | 4495.1 kg |
| Rear axle maximum operating weight | 11938.6 kg |
| Total maximum operating weight | 16433.7 kg |
| Fuel Capacity | 401.3 l. |
| Oil system fluid volume | 29 l. |
| Cooling system fluid volume | 45.4 l. |
| Hydraulic system fluid volume | 59 l. |
| Transmission fluid volume | 38 l. |
| Rear differential/final drive fluid volume | 36 l. |
| Circular gearbox fluid volume | 3.8 l. |
| Each tandem case fluid volume | 75 l. |
| Tyre size | 14.00-24 |
| Operating voltage | 24 V |
| Generator current strength | 55 amperes |
Motor
| Cylinders number | 6 |
| Maximum power | 152.9 kW |
| Effective drives torque 1-2 | 772.8 Nm |
| Effective drives torque 3-4 | 922 Nm |
| Effective drives torque 5-6 | 924.7 Nm |
| Effective drives torque 7-8 | 924.7 Nm |
| Displacement | 8.1 l. |
| Aspiration | Turbocharging with subsequent air cooling (by a cooling radiator) |
| Manufacturer | John Deere |
| Model | 6081H |
| Effective speeds output 1-2 | 123 kW |
| Effective speeds output 3-4 | 138 kW |
| Power measured at | 1900 rev / min |
| Effective speeds output 5-6 | 152.9 kW |
| Torque measured at | 900 rev / min |
| Effective speeds output 7-8 | 152.9 kW |
Hydraulic system
| Type of pump | variable displacement with locking in the middle position |
| Pump flow rate | 207.1 l/min |
| Overflow valve pressure | 17581.6 kPa |
Gear box
| Transmission type | powershift |
| Forward gears number | 8 |
| Reverse gears number | 8 |
| Maximum forward speed | 41.5 km/h |
| Maximum reverse gear | 41.5 km/h |
Front Axle
| Clearance | 638 mm |
| Wheel tilt | 20 degrees |
| General fluctuations | 32 degrees |
Dump
| Mouldboard width | 3657.6 mm |
| Mouldboard height | 609.6 mm |
| Mouldboard thickness | 22.4 mm |
| Left lateral displacement | 683 mm |
| Lateral right shift | 683 mm |
| Blade pulling at maximum weight | 12696.1 kg |
Circle
| Diameter | 1520 mm |
| Rotating | 360 degrees |
| Left shift | 787 mm |
| Right shift | 724 mm |
| Maximum radius outside left tyres | 2160 mm |
| Right maximum radius outside tyres | 2110 mm |
| Maximum lifting above ground level | 470 mm |
| Blade tilt front angle | 49 degrees |
| Blade tilt rear angle | 5 degrees |
Images
Sizes
| 1. Dimensional length | 8610 mm |
| 2. Between tyres width | 2510 mm |
| 3. Height to cab upper part | 3120 mm |
| 4. Wheelbase | 5970 mm |
| 6. Front part clearance | 638 mm |
| 7. Dual axis wheelbase | 1540 mm |
| 8. Blade base | 2670 mm |