Construction Machinery. Grader John Deere 770A

Steerage

Left and right hinge connection 25 degrees
Turn radius 6.7 m

Sizes

Height to cab upper part 3200 mm
Dimensional length 8470 mm
Between tyres width 2440 mm
Wheelbase 5970 mm
Blade base 2720 mm
Dual axis wheelbase 1540 mm
Front part clearance 572 mm

Operation

Front axle standard operating weight 3877.3 kg
Rear axle standard operating weight 9848.4 kg
Overall standard operating weight 13725.7 kg
Front axle maximum operating weight 4123.6 kg
Rear axle maximum operating weight 11230 kg
Total maximum operating weight 15353.6 kg
Fuel Capacity 265 l.
Oil system fluid volume 18.9 l.
Cooling system fluid volume 26.5 l.
Hydraulic system fluid volume 117 l.
Circular gearbox fluid volume 3.8 l.
Each tandem case fluid volume 18.9 l.
Tyre size 14.00-25
Operating voltage 24 V
Generator current strength 42 amperes

Motor

Manufacturer John Deere
Model 6-466A
Power measured at 2200 rev / min
Torque measured at 1300 rev / min
Effective speeds output 7-8 111.9 kW
Cylinders number 6
Maximum power 111.9 kW
Effective drives torque 7-8 630.5 Nm
Displacement 7.6 l.
Aspiration Turbocharging with intercooler

Hydraulic system

Type of pump Constant pressure system with locking in the middle position, with the piston pump of variable displacement volume
Pump flow rate 136.3 l/min

Gear box

Forward gears number 8
Reverse gears number 4
Maximum forward speed 40.4 km/h
Maximum reverse gear 13.8 km/h
Transmission type powershift

Front Axle

Wheel tilt 20 degrees
General fluctuations 30 degrees
Clearance 572 mm

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

Circle

Diameter 1500 mm
Rotating 360 degrees
Left shift 851 mm
Right shift 813 mm
Maximum radius outside left tyres 2280 mm
Right maximum radius outside tyres 2250 mm
Maximum lifting above ground level 432 mm
Blade tilt front angle 44 degrees
Blade tilt rear angle 10 degrees

Images

Sizes

1. Dimensional length 8470 mm
2. Between tyres width 2440 mm
3. Height to cab upper part 3200 mm
4. Wheelbase 5970 mm
6. Front part clearance 572 mm
7. Dual axis wheelbase 1540 mm
8. Blade base 2720 mm