John Deere 770B Motor Grader

Circle

Blade Tip Angle – Front 49 degrees
Blade Tip Angle – Rear 5 degrees
Diameter 59 in (150 cm)
Max Lift Above Ground 19 in (47 cm)
Max Reach Outside Tires – Left 85 in (216 cm)
Max Reach Outside Tires – Right 83 in (211 cm)
Rotation 360 degrees
Shift Left 31 in (79 cm)
Shift Right 29 in (73 cm)

Dimensions

Blade Base 9 ft (3 m)
Front Ground Clearance 2 ft (1 m)
Height to Top of Isomount Cab 10 ft (3 m)
Overall Length 28 ft (9 m)
Tandem Axle Wheelbase 5 ft (2 m)
Wheelbase 20 ft (6 m)
Width Over Tires 8 ft (2 m)

Engine

Aspiration Turbocharged
Displacement 466 cu in (7,636 cu cm)
Engine Model 6076T
Max Power 155 hp (116 kw)
Net Power Gears 7-8 155 hp (116 kw)
Net Torque Gears 7-8 522 lbs ft (708 nm)
Number of Cylinders 6
Power Measured @ 2200 rpm
Torque Measured @ 1100 rpm

Front Axle

Ground Clearance 2 ft (1 m)
Oscillation – Total 32 degrees
Wheel Lean 20 degrees

Hydraulic System

Pump Flow 52 gpm (198 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 45 amps
Circle Gearbox Fluid Capacity 1 gal (4 l)
Cooling System Fluid Capacity 10 gal (38 l)
Fuel Capacity 90 gal (341 l)
Hydraulic System Fluid Capacity 23 gal (87 l)
Max Operation Weight – Front Axle 9,870 lbs (4,477 kg)
Max Operation Weight – Rear Axle 25,580 lbs (11,603 kg)
Max Operation Weight – Total 35,450 lbs (16,080 kg)
Oil System Fluid Capacity 7 gal (25 l)
Operating Voltage 24 volts
Std Operation Weight – Front Axle 8,700 lbs (3,946 kg)
Std Operation Weight – Rear Axle 22,550 lbs (10,229 kg)
Std Operation Weight – Total 31,250 lbs (14,175 kg)
Tandem Case Fluid Capacity (each) 5 gal (19 l)
Tire Size 14.00-24

Steering System

Articulation Angle 25 degrees
Turning Radius 22 ft (7 m)

Transmission

Max Speed – Forward 25 mph (41 kph)
Max Speed – Reverse 9 mph (14 kph)
Number of Gears – Forward 8
Number of Gears – Reverse 4
Transmission Type Power Shift
Ask A Question