Categories ↠ Motor Graders ↠ John Deere JD770

John Deere JD770 Motor Grader

Category: Motor Graders ➔
Manufacturer: John Deere ➔
Model: JD770 ➔

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.

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Circle

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

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

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

Ground Clearance	1.90 ft (0.58 m)
Oscillation - Total	30 degrees
Wheel Lean	20 degrees

Hydraulic System

Pump Flow	57.00 gpm (215.75 lpm)
Pump Type	Closed Center Variable displacement
Relief Valve Pressure	2250 psi

Moldboard

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

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

Articulation Angle	25 degrees
Turning Radius	22.10 ft (6.74 m)

Transmission

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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