John Deere JD770 Motor Grader

Circle

Diameter 59 in (150 cm)
Max Lift Above Ground 17 in (43 cm)
Max Reach Outside Tires – Left 92 in (234 cm)
Max Reach Outside Tires – Right 93 in (235 cm)
Rotation 360 degrees

Dimensions

Blade Base 9 ft (3 m)
Front Ground Clearance 2 ft (1 m)
Height to Top of Isomount Cab 11 ft (3 m)
Overall Length 28 ft (8 m)
Tandem Axle Wheelbase 5 ft (2 m)
Wheelbase 20 ft (6 m)
Width Over Tires 8 ft (2 m)

Engine

Aspiration Turbocharged
Displacement 531 cu in (8,702 cu cm)
Max Power 142 hp (106 kw)
Net Power Gears 7-8 142 hp (106 kw)
Net Torque Gears 7-8 440 lbs ft (597 nm)
Number of Cylinders 6
Power Measured @ 2200 rpm
Torque Measured @ 1400 rpm

Front Axle

Ground Clearance 2 ft (1 m)
Oscillation – Total 30 degrees
Wheel Lean 20 degrees

Hydraulic System

Pump Flow 57 gpm (216 lpm)
Pump Type Closed Center Variable displacement
Relief Valve Pressure 2250 psi

Moldboard

Moldboard Height 24 in (61 cm)
Moldboard Thickness 1 in (2 cm)
Moldboard Width 12 ft (4 m)
Side Shift Left 27 in (68 cm)
Side Shift Right 27 in (68 cm)

Operating Specifications

Circle Gearbox Fluid Capacity 1 gal (3 l)
Cooling System Fluid Capacity 10 gal (38 l)
Fuel Capacity 70 gal (265 l)
Hydraulic System Fluid Capacity 31 gal (117 l)
Max Operation Weight – Front Axle 8,637 lbs (3,918 kg)
Max Operation Weight – Rear Axle 24,992 lbs (11,336 kg)
Max Operation Weight – Total 33,559 lbs (15,222 kg)
Oil System Fluid Capacity 6 gal (21 l)
Operating Voltage 24 volts
Std Operation Weight – Front Axle 8,220 lbs (3,729 kg)
Std Operation Weight – Rear Axle 21,625 lbs (9,809 kg)
Std Operation Weight – Total 29,845 lbs (13,537 kg)
Tandem Case Fluid Capacity (each) 4 gal (15 l)
Tire Size 14.00-24

Steering System

Articulation Angle 25 degrees
Turning Radius 22 ft (7 m)

Transmission

Max Speed – Forward 25 mph (40 kph)
Max Speed – Reverse 9 mph (14 kph)
Number of Gears – Forward 8
Number of Gears – Reverse 4
Transmission Type Power Shift
Ask A Question