John Deere 770B Motor Grader

Dimensions

Overall Length 27.92 ft in (8510 mm)
Width Over Tires 8.01 ft in (2440 mm)
Wheelbase 19.59 ft in (5970 mm)
Tandem Axle Wheelbase 5.06 ft in (1540 mm)
Front Ground Clearance 1.88 ft in (572 mm)
Blade Base 8.76 ft in (2670 mm)
Height To Top Of Isomount Cab 10.14 ft in (3090 mm)

Engine

Number Of Cylinders 6 None
Engine Make 2240 None
Engine Model 6076T None
Power Measured @ 2200 rpm
Torque Measured @ 1100 rpm
Max Power 155 hp (115.6 kw)
Net Power Gears 7-8 155 hp (115.6 kw)
Net Torque Gears 7-8 522 lb ft (707.8 Nm)
Displacement 466 cu in (7.7 L)
Aspiration Turbocharged None

Operational

Std Operation Weight – Front Axle 8700 lb (3946.3 kg)
Std Operation Weight – Rear Axle 22550 lb (10228.6 kg)
Hydraulic System Fluid Capacity 23 gal (87 L)
Std Operation Weight – Total 31250 lb (14174.8 kg)
Max Operation Weight – Front Axle 9870 lb (4477 kg)
Max Operation Weight – Rear Axle 25580 lb (11602.9 kg)
Max Operation Weight – Total 35450 lb (16079.9 kg)
Oil System Fluid Capacity 6.5 gal (24.6 L)
Fuel Capacity 90 gal (340.7 L)
Cooling System Fluid Capacity 10.1 gal (38 L)
Circle Gearbox Fluid Capacity 1.1 gal (3.8 L)
Tandem Case Fluid Capacity (Each) 5 gal (18.9 L)
Tire Size 14.00-24 None
Operating Voltage 24 V
Alternator Supplied Amperage 45 amps

Steering

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

Transmission

Transmission Type Power Shift None
Number Of Gears – Forward 8 None
Number Of Gears – Reverse 4 None
Max Speed – Forward 25.2 mph (40.6 km/h)
Max Speed – Reverse 8.6 mph (13.9 km/h)

Front Axle

Wheel Lean 20 degrees
Oscillation – Total 32 degrees
Ground Clearance 1.9 ft in (572 mm)

Moldboard

Moldboard Width 12 ft in (3657.6 mm)
Moldboard Height 24 in (609.6 mm)
Moldboard Thickness 0.9 in (22.4 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 None
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