John Deere 770BH 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)
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)

Engine

Displacement 466 cu in (7,638 cu cm)
Engine Model 6076A
Net Power Gear 1-3 155 hp (116 kw)
Net Power Gear 4-6 162 hp (121 kw)
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 Length 12 ft (4 m)
Moldboard Thickness 1 in (2 cm)
Side Shift Left 27 in (68 cm)
Side Shift Right 27 in (68 cm)

Operating Specifications

Alternator Supplied Amperage 50 amps
Circle Gearbox Fluid Capacity 1 gal (4 l)
Cooling System Fluid Capacity 10 gal (38 l)
Fuel Capacity 90 gal (340 l)
Operating Voltage 24 volts
Std Operation Weight – Front Axle 8,700 lbs (3,946 kg)
Std Operation Weight – Rear Axle 22,600 lbs (10,251 kg)
Std Operation Weight – Total 31,300 lbs (14,197 kg)
Tandem Case Fluid Capacity (each) 5 gal (19 l)
Tire Size 13.00 – 24
Transmission Fluid Capacity 23 gal (87 l)

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
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