Categories ↠ Motor Graders ↠ John Deere 770A

John Deere 770A Motor Grader

Category: Motor Graders ➔
Manufacturer: John Deere ➔
Model: 770A ➔

John Deere 770A motor grader is a heavy equipment machine used for road construction, grading, ditching, and surface finishing. Designed for precision earthmoving, the 770A features a moldboard blade mounted between the front and rear axles to control grade and slope. It is commonly used in highway maintenance, site preparation, and municipal work. As part of John Deere's motor grader lineup, the 770A is built for operator control, traction, and blade accuracy on varied terrain. This model is referenced in equipment inventories, parts lookup, and used machinery listings for grading applications.

See all John Deere 770As for sale

Circle

Blade Tip Angle - Front	44 degrees
Blade Tip Angle - Rear	10 degrees
Diameter	59.10 in (150.11 cm)
Max Lift Above Ground	17.10 in (43.43 cm)
Max Reach Outside Tires - Left	89.80 in (228.09 cm)
Max Reach Outside Tires - Right	88.60 in (225.04 cm)
Rotation	360 degrees
Shift Left	33.60 in (85.34 cm)
Shift Right	32.10 in (81.53 cm)

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 with Intercooler
Displacement	466.00 cu in (7,636.39 cu cm)
Engine Model	6-466A
Max Power	150.00 hp (111.86 kw)
Net Power Gears 7-8	150.00 hp (111.86 kw)
Net Torque Gears 7-8	465.00 lbs ft (630.45 nm)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1300 rpm

Front Axle

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

Hydraulic System

Pump Flow	36.00 gpm (136.26 lpm)
Pump Type	Closed Center Variable Displacement

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

Alternator Supplied Amperage	42 amps
Circle Gearbox Fluid Capacity	1.10 gal (4.16 l)
Cooling System Fluid Capacity	7.10 gal (26.87 l)
Fuel Capacity	70.00 gal (264.95 l)
Hydraulic System Fluid Capacity	31.00 gal (117.34 l)
Max Operation Weight - Front Axle	9,091.00 lbs (4,123.61 kg)
Max Operation Weight - Rear Axle	24,758.00 lbs (11,230.05 kg)
Max Operation Weight - Total	33,849.00 lbs (15,353.67 kg)
Oil System Fluid Capacity	5.00 gal (18.93 l)
Operating Voltage	24 volts
Std Operation Weight - Front Axle	8,548.00 lbs (3,877.31 kg)
Std Operation Weight - Rear Axle	21,712.00 lbs (9,848.41 kg)
Std Operation Weight - Total	30,260.00 lbs (13,725.72 kg)
Tandem Case Fluid Capacity (each)	5.00 gal (18.93 l)
Tire Size	14.00-25

Steering System

Articulation Angle	25 degrees
Turning Radius	22.00 ft (6.71 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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