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Current number of specifications

John Deere 770AH Motor Grader

Selected Dimensions

A. Overall Length27.8 ft in8470 mm
B. Width Over Tires8 ft in2440 mm
C. Height to Top of Cab10.5 ft in3200 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 Base8.9 ft in2720 mm


MakeJohn Deere
Net Power Gear 1-2155 hp115.6 kw
Net Power Gear 3-4180 hp134.2 kw
Power Measured @2200 rpm
Net Power Gear 5-6180 hp134.2 kw
Torque Measured @1400 rpm
Net Power Gears 7-8180 hp134.2 kw
Number of Cylinders6
Max Power180 hp134.2 kw
Net Torque Gears 7-8537 lb ft728.1 Nm
Displacement466 cu in7.6 L
AspirationTurbocharged with Intercooler
Std Operation Weight - Front Axle8548 lb3877.3 kg
Std Operation Weight - Rear Axle21712 lb9848.4 kg
Std Operation Weight - Total30260 lb13725.7 kg
Max Operation Weight - Front Axle9091 lb4123.6 kg
Max Operation Weight - Rear Axle24758 lb11230 kg
Max Operation Weight - Total33849 lb15353.6 kg
Fuel Capacity70 gal265 L
Oil System Fluid Capacity5 gal18.9 L
Cooling System Fluid Capacity7 gal26.5 L
Hydrauilc System Fluid Capacity31 gal117.3 L
Circle Gearbox Fluid Capacity1 gal3.8 L
Tandem Case Fluid Capacity (each)5 gal18.9 L
Tire Size14
Operating Voltage24 V
Alternator Supplied Amperage42 amps
TypePower Shift
Number of Gears - Forward8
Number of Gears - Reverse4
Max Speed - Forward25.1 mph40.4 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 - Total30 degrees
Ground Clearance1.9 ft in572 mm
Hydraulic System
Pump TypeClosed Center Variable Displacement
Pump Flow36 gal/min136.3 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 Left33.5 in851 mm
Shift Right32 in813 mm
Max Reach Outside Tires - Left89.8 in2280 mm
Max Reach Outside Tires - Right88.6 in2250 mm
Max Lift Above Ground17 in432 mm
Blade Tip Angle - Front44 degrees
Blade Tip Angle - Rear10 degrees
Height to Top of Cab10.5 ft in3200 mm
Overall Length27.8 ft in8470 mm
Width Over Tires8 ft in2440 mm
Wheelbase19.6 ft in5970 mm
Blade Base8.9 ft in2720 mm
Tandem Axle Wheelbase5.1 ft in1540 mm
Front Ground Clearance1.9 ft in572 mm