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Current number of specifications

John Deere 770B Motor Grader

Selected Dimensions

A. Overall Length27.9 ft in8510 mm
B. Width Over Tires8 ft in2440 mm
C. Height to Top of Cab10.1 ft in3090 mm
D. Wheelbase19.6 ft in5970 mm
F. Front Ground Clearance1.9 ft in572 mm
G. Tandem Axle Wheelbase5.1 ft in1540 mm
H. Blade Base8.8 ft in2670 mm


MakeJohn Deere
Power Measured @2200 rpm
Torque Measured @1100 rpm
Net Power Gears 7-8155 hp115.6 kw
Number of Cylinders6
Max Power155 hp115.6 kw
Net Torque Gears 7-8522 lb ft707.7 Nm
Displacement466 cu in7.6 L
Std Operation Weight - Front Axle8700 lb3946.3 kg
Std Operation Weight - Rear Axle22550 lb10228.5 kg
Std Operation Weight - Total31250 lb14174.8 kg
Max Operation Weight - Front Axle9870 lb4477 kg
Max Operation Weight - Rear Axle25580 lb11602.9 kg
Max Operation Weight - Total35450 lb16079.9 kg
Fuel Capacity90 gal340.7 L
Oil System Fluid Capacity6.5 gal24.6 L
Cooling System Fluid Capacity10 gal38 L
Hydrauilc System Fluid Capacity23 gal87 L
Circle Gearbox Fluid Capacity1 gal3.8 L
Tandem Case Fluid Capacity (each)5 gal18.9 L
Tire Size14.00-24
Operating Voltage24 V
Alternator Supplied Amperage45 amps
TypePower Shift
Number of Gears - Forward8
Number of Gears - Reverse4
Max Speed - Forward25.2 mph40.6 km/h
Max Speed - Reverse8.6 mph13.8 km/h
Articulation L/R25 degrees
Turning Radius22 ft in6.7 m
Front Axle
Wheel Lean20 degrees
Oscillation - Total32 degrees
Ground Clearance1.9 ft in572 mm
Hydraulic System
Pump TypeClosed Center Variable Displacement
Pump Flow52.4 gal/min198.4 L/min
Moldboard Width12 ft in3657.6 mm
Moldboard Height24 in609.6 mm
Moldboard Thickness0.88 in22.4 mm
Side Shift Left26.9 in683 mm
Side Shift Right26.9 in683 mm
Diameter59.1 in1500 mm
Rotation360 degrees
Shift Left31 in787 mm
Shift Right28.5 in724 mm
Max Reach Outside Tires - Left85 in2160 mm
Max Reach Outside Tires - Right83.1 in2110 mm
Max Lift Above Ground18.5 in470 mm
Blade Tip Angle - Front49 degrees
Blade Tip Angle - Rear5 degrees
Height to Top of Cab10.1 ft in3090 mm
Overall Length27.9 ft in8510 mm
Width Over Tires8 ft in2440 mm
Wheelbase19.6 ft in5970 mm
Blade Base8.8 ft in2670 mm
Tandem Axle Wheelbase5.1 ft in1540 mm
Front Ground Clearance1.9 ft in572 mm

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