- Overall Length: 27.79 ft / 8470 mm
- Width Over Tires: 8.01 ft / 2440 mm
- Wheelbase: 19.59 ft / 5970 mm
- Tandem Axle Wheelbase: 5.06 ft / 1540 mm
Published dimensions and weight
John Deere 770A
The John Deere 770A is a motor grader built around the 6-466A engine (150 hp).
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Std Operation Weight - Total30260 lb13725.8 kg
03Selected published values58
Motor graders are commonly used to shape, level and maintain roads, pads and drainage surfaces. Published rows for John Deere 770A include published moldboard width of 12 ft / 3657.6 mm, published maximum power of 150 hp / 111.9 kw, published operating weight of 30260 lb / 13725.8 kg. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (27.79 ft / 8470 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tires” field (8.01 ft / 2440 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Wheelbase” field (19.59 ft / 5970 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length27.79 ft8470 mm
Width Over Tires8.01 ft2440 mm
Wheelbase19.59 ft5970 mm
Tandem Axle Wheelbase5.06 ft1540 mm
Front Ground Clearance1.88 ft572 mm
Blade Base8.93 ft2720 mm
Height To Top Of Isomount Cab10.5 ft3200 mm
Engine
Number Of Cylinders66
Engine Make22402240
Engine Model6-466A6-466A
Power Measured @2200 rpm2200 rpm
Torque Measured @1300 rpm1300 rpm
Max Power150 hp111.9 kw
Net Power Gears 7-8150 hp111.9 kw
Net Torque Gears 7-8465 lb ft630.5 Nm
Displacement466 cu in7.7 L
AspirationTurbocharged with IntercoolerTurbocharged with Intercooler
Operational
Std Operation Weight - Front Axle8548 lb3877.4 kg
Std Operation Weight - Rear Axle21712 lb9848.4 kg
Hydraulic System Fluid Capacity31 gal117 L
Std Operation Weight - Total30260 lb13725.8 kg
Max Operation Weight - Front Axle9091 lb4123.7 kg
Max Operation Weight - Rear Axle24758 lb11230.1 kg
Max Operation Weight - Total33849 lb15353.7 kg
Oil System Fluid Capacity5 gal18.9 L
Fuel Capacity70 gal265 L
Cooling System Fluid Capacity7.1 gal26.5 L
Circle Gearbox Fluid Capacity1.1 gal3.8 L
Tandem Case Fluid Capacity (Each)5 gal18.9 L
Tire Size14.00-2514.00-25
Operating Voltage24 V24 V
Alternator Supplied Amperage42 amps42 amps
Steering
Articulation Angle25 degrees25 degrees
Turning Radius22 ft6.7 m
Transmission
Transmission TypePower ShiftPower Shift
Number Of Gears - Forward88
Number Of Gears - Reverse44
Max Speed - Forward25.1 mph40.4 km/h
Max Speed - Reverse8.6 mph13.9 km/h
Front Axle
Wheel Lean20 degrees20 degrees
Oscillation - Total30 degrees30 degrees
Ground Clearance1.9 ft572 mm
Moldboard
Moldboard Width12 ft3657.6 mm
Moldboard Height24 in609.6 mm
Moldboard Thickness0.9 in22.4 mm
Side Shift Left26.9 in683 mm
Side Shift Right26.9 in683 mm
Hydraulic System
Pump TypeClosed Center Variable DisplacementClosed Center Variable Displacement
Pump Flow36 gal/min136.3 L/min
Circle
Diameter59.1 in1500 mm
Rotation360 degrees360 degrees
Shift Left33.6 in851 mm
Shift Right32.1 in813 mm
Max Reach Outside Tires - Left89.8 in2280 mm
Max Reach Outside Tires - Right88.6 in2250 mm
Max Lift Above Ground17.1 in432 mm
Blade Tip Angle - Front44 degrees44 degrees
Blade Tip Angle - Rear10 degrees10 degrees
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Manufacturer-published specifications.