The John Deere JD770 Motor Grader is a powerful and reliable machine designed for heavy-duty grading operations. With a Circle Diameter of 59.1 inches and a Max Lift Above Ground of 17.1 inches, this grader offers precise and efficient performance. Equipped with a Turbocharged engine producing 142 horsepower and 440 lbs-ft of torque, the JD770 ensures optimal power and productivity. Its advanced hydraulic system, ergonomic cab design, and versatile transmission make it a top choice for construction and road maintenance projects. Discover more about the JD770's impressive features and capabilities in the specifications below.
Circle
John Deere JD770 Motor Grader Circle specifications
Diameter
59.10 in (150.11 cm)
Max Lift Above Ground
17.10 in (43.43 cm)
Max Reach Outside Tires - Left
92.20 in (234.19 cm)
Max Reach Outside Tires - Right
92.60 in (235.20 cm)
Rotation
360 degrees
Dimensions
John Deere JD770 Motor Grader Dimensions specifications
Blade Base
9.00 ft (2.74 m)
Front Ground Clearance
1.90 ft (0.58 m)
Height to Top of Isomount Cab
10.50 ft (3.20 m)
Overall Length
27.80 ft (8.47 m)
Tandem Axle Wheelbase
5.10 ft (1.55 m)
Wheelbase
19.60 ft (5.97 m)
Width Over Tires
8.10 ft (2.47 m)
Engine
John Deere JD770 Motor Grader Engine specifications
Aspiration
Turbocharged
Displacement
531.00 cu in (8,701.55 cu cm)
Max Power
142.00 hp (105.89 kw)
Net Power Gears 7-8
142.00 hp (105.89 kw)
Net Torque Gears 7-8
440.00 lbs ft (596.55 nm)
Number of Cylinders
6
Power Measured @
2200 rpm
Torque Measured @
1400 rpm
Front Axle
John Deere JD770 Motor Grader Front Axle specifications
Ground Clearance
1.90 ft (0.58 m)
Oscillation - Total
30 degrees
Wheel Lean
20 degrees
Hydraulic System
John Deere JD770 Motor Grader Hydraulic System specifications
Pump Flow
57.00 gpm (215.75 lpm)
Pump Type
Closed Center Variable displacement
Relief Valve Pressure
2250 psi
Moldboard
John Deere JD770 Motor Grader Moldboard specifications
Moldboard Height
24.00 in (60.96 cm)
Moldboard Thickness
0.90 in (2.29 cm)
Moldboard Width
12.00 ft (3.66 m)
Side Shift Left
26.90 in (68.33 cm)
Side Shift Right
26.90 in (68.33 cm)
Operating Specifications
John Deere JD770 Motor Grader Operating Specifications specifications
Circle Gearbox Fluid Capacity
0.80 gal (3.03 l)
Cooling System Fluid Capacity
10.00 gal (37.85 l)
Fuel Capacity
70.00 gal (264.95 l)
Hydraulic System Fluid Capacity
31.00 gal (117.34 l)
Max Operation Weight - Front Axle
8,637.00 lbs (3,917.68 kg)
Max Operation Weight - Rear Axle
24,992.00 lbs (11,336.19 kg)
Max Operation Weight - Total
33,559.00 lbs (15,222.13 kg)
Oil System Fluid Capacity
5.50 gal (20.82 l)
Operating Voltage
24 volts
Std Operation Weight - Front Axle
8,220.00 lbs (3,728.53 kg)
Std Operation Weight - Rear Axle
21,625.00 lbs (9,808.95 kg)
Std Operation Weight - Total
29,845.00 lbs (13,537.48 kg)
Tandem Case Fluid Capacity (each)
4.00 gal (15.14 l)
Tire Size
14.00-24
Steering System
John Deere JD770 Motor Grader Steering System specifications
Articulation Angle
25 degrees
Turning Radius
22.10 ft (6.74 m)
Transmission
John Deere JD770 Motor Grader Transmission specifications
Max Speed - Forward
25.10 mph (40.39 kph)
Max Speed - Reverse
8.60 mph (13.84 kph)
Number of Gears - Forward
8
Number of Gears - Reverse
4
Transmission Type
Power Shift
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