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John Deere 770A Motor Grader

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 - Front44 degrees
Blade Tip Angle - Rear10 degrees
Diameter59 in (150 cm)
Max Lift Above Ground17 in (43 cm)
Max Reach Outside Tires - Left90 in (228 cm)
Max Reach Outside Tires - Right89 in (225 cm)
Rotation360 degrees
Shift Left34 in (85 cm)
Shift Right32 in (82 cm)

Dimensions

Blade Base9 ft (3 m)
Front Ground Clearance2 ft (1 m)
Height to Top of Isomount Cab11 ft (3 m)
Overall Length28 ft (8 m)
Tandem Axle Wheelbase5 ft (2 m)
Wheelbase20 ft (6 m)
Width Over Tires8 ft (2 m)

Engine

AspirationTurbocharged with Intercooler
Displacement466 cu in (7,636 cu cm)
Engine Model6-466A
Max Power150 hp (112 kw)
Net Power Gears 7-8150 hp (112 kw)
Net Torque Gears 7-8465 lbs ft (630 nm)
Number of Cylinders6
Power Measured @2200 rpm
Torque Measured @1300 rpm

Front Axle

Ground Clearance2 ft (1 m)
Oscillation - Total30 degrees
Wheel Lean20 degrees

Hydraulic System

Pump Flow36 gpm (136 lpm)
Pump TypeClosed Center Variable Displacement

Moldboard

Moldboard Height24 in (61 cm)
Moldboard Thickness1 in (2 cm)
Moldboard Width12 ft (4 m)
Side Shift Left27 in (68 cm)
Side Shift Right27 in (68 cm)

Operating Specifications

Alternator Supplied Amperage42 amps
Circle Gearbox Fluid Capacity1 gal (4 l)
Cooling System Fluid Capacity7 gal (27 l)
Fuel Capacity70 gal (265 l)
Hydraulic System Fluid Capacity31 gal (117 l)
Max Operation Weight - Front Axle9,091 lbs (4,124 kg)
Max Operation Weight - Rear Axle24,758 lbs (11,230 kg)
Max Operation Weight - Total33,849 lbs (15,354 kg)
Oil System Fluid Capacity5 gal (19 l)
Operating Voltage24 volts
Std Operation Weight - Front Axle8,548 lbs (3,877 kg)
Std Operation Weight - Rear Axle21,712 lbs (9,848 kg)
Std Operation Weight - Total30,260 lbs (13,726 kg)
Tandem Case Fluid Capacity (each)5 gal (19 l)
Tire Size14.00-25

Steering System

Articulation Angle25 degrees
Turning Radius22 ft (7 m)

Transmission

Max Speed - Forward25 mph (40 kph)
Max Speed - Reverse9 mph (14 kph)
Number of Gears - Forward8
Number of Gears - Reverse4
Transmission TypePower Shift

  • John Deere 770As currently for sale
  • A 1984 John Deere 770A From 4M Iron LLC for $26,500.00 USD
  • A 1980 John Deere 770A From McCoy Construction & Forestry for $17,000.00 USD





  • 39.95234 \\ -75.16379 \\ Fort Washington \\ PA