John Deere 770BH Motor Grader

Dimensions

Overall Length 27.92 ft in (8510 mm)
Wheelbase 19.59 ft in (5970 mm)
Tandem Axle Wheelbase 5.06 ft in (1540 mm)
Blade Base 8.76 ft in (2670 mm)
Height To Top Of Isomount Cab 10.14 ft in (3090 mm)

Engine Details

Number Of Cylinders 6
Net Power Gear 1-3 155 hp (115.6 kw)
Net Power Gear 4-6 162 hp (120.9 kw)
Net Torque Gear 1-3 522 lb ft (707.8 Nm)
Net Torque Gear 4-8 615 lb ft (833.9 Nm)
Engine Model 6076A
Power Measured @ 2200 rpm
Torque Measured @ 1100 rpm
Displacement 466.1 cu in (7.7 L)

Operational Specs

Std Operation Weight – Front Axle 8700 lb (3946.3 kg)
Std Operation Weight – Rear Axle 22600 lb (10251.2 kg)
Std Operation Weight – Total 31300 lb (14197.5 kg)
Fuel Tank Capacity 89.9 gal (340 L)
Cooling System Fluid Capacity 10.1 gal (38 L)
Transmission Fluid Capacity 23 gal (87 L)
Circle Gearbox Fluid Capacity 1.1 gal (3.8 L)
Tandem Case Fluid Capacity (Each) 5 gal (18.9 L)
Tire Size 13.00 – 24
Operating Voltage 24 V
Alternator Supplied Amperage 50 amps

Steering

Articulation Angle 25 degrees
Turning Radius 22 ft in (6.7 m)

Transmission

Transmission Type Power Shift
Number Of Gears – Forward 8
Number Of Gears – Reverse 4
Max Speed – Forward 25.3 mph (40.6 km/h)
Max Speed – Reverse 8.6 mph (13.8 km/h)

Front Axle

Wheel Lean 20 degrees
Oscillation – Total 32 degrees
Ground Clearance 1.9 ft in (559 mm)

Moldboard

Moldboard Length 12.1 ft in (3660 mm)
Moldboard Height 24.1 in (610 mm)
Moldboard Thickness 0.9 in (22 mm)
Side Shift Left 26.9 in (683 mm)
Side Shift Right 26.9 in (683 mm)

Hydraulic System

Pump Type Closed Center Variable Displacement
Pump Flow 52.4 gal/min (198.4 L/min)

Circle

Diameter 59.1 in (1500 mm)
Rotation 360 degrees
Shift Left 31 in (787 mm)
Shift Right 28.6 in (724 mm)
Max Reach Outside Tires – Left 85.1 in (2160 mm)
Max Reach Outside Tires – Right 83.1 in (2110 mm)
Max Lift Above Ground 18.6 in (470 mm)
Blade Tip Angle – Front 49 degrees
Blade Tip Angle – Rear 5 degrees
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