Categories ↠ Motor Graders ↠ John Deere 770A

John Deere 770A Motor Grader

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

The John Deere 770A Motor Graders are powerful machines designed for grading and leveling surfaces with precision and efficiency. With a turbocharged engine producing 150 horsepower and a variety of operating specifications, including a 12-foot moldboard width and maximum operation weight of 33,849 pounds, the 770A is well-equipped to handle a wide range of grading tasks. From circle blade tip angles to hydraulic system pump flow, this motor grader offers exceptional performance for construction and road maintenance projects.

See all John Deere 770As for sale

General Specifications

Circle

Blade Tip Angle - Front	44 degrees
Blade Tip Angle - Rear	10 degrees
Diameter	59 in (150 cm)
Max Lift Above Ground	17 in (43 cm)
Max Reach Outside Tires - Left	90 in (228 cm)
Max Reach Outside Tires - Right	89 in (225 cm)
Rotation	360 degrees
Shift Left	34 in (85 cm)
Shift Right	32 in (82 cm)

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 with Intercooler
Displacement	466 cu in (7,636 cu cm)
Engine Model	6-466A
Max Power	150 hp (112 kw)
Net Power Gears 7-8	150 hp (112 kw)
Net Torque Gears 7-8	465 lbs ft (630 nm)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1300 rpm

Front Axle

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

Hydraulic System

Pump Flow	36 gpm (136 lpm)
Pump Type	Closed Center Variable Displacement

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

Alternator Supplied Amperage	42 amps
Circle Gearbox Fluid Capacity	1 gal (4 l)
Cooling System Fluid Capacity	7 gal (27 l)
Fuel Capacity	70 gal (265 l)
Hydraulic System Fluid Capacity	31 gal (117 l)
Max Operation Weight - Front Axle	9,091 lbs (4,124 kg)
Max Operation Weight - Rear Axle	24,758 lbs (11,230 kg)
Max Operation Weight - Total	33,849 lbs (15,354 kg)
Oil System Fluid Capacity	5 gal (19 l)
Operating Voltage	24 volts
Std Operation Weight - Front Axle	8,548 lbs (3,877 kg)
Std Operation Weight - Rear Axle	21,712 lbs (9,848 kg)
Std Operation Weight - Total	30,260 lbs (13,726 kg)
Tandem Case Fluid Capacity (each)	5 gal (19 l)
Tire Size	14.00-25

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

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