Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
The John Deere 770AH Motor Grader is a robust and reliable piece of equipment designed for heavy-duty grading and earthmoving tasks. With a powerful 180 HP engine and a range of operational specifications, including a 12-foot wide moldboard and a maximum operating weight of 33,849 lbs, this motor grader is equipped to handle a variety of jobs with ease and efficiency. From its turbocharged engine to its variable displacement hydraulic system, the 770AH is a versatile and capable machine for any construction or road maintenance project.
| Blade Tip Angle - Front | 44 degrees |
| Blade Tip Angle - Rear | 10 degrees |
| Diameter | 59.10 in (150.11 cm) |
| Max Lift Above Ground | 17.10 in (43.43 cm) |
| Max Reach Outside Tires - Left | 89.80 in (228.09 cm) |
| Max Reach Outside Tires - Right | 88.60 in (225.04 cm) |
| Rotation | 360 degrees |
| Shift Left | 33.60 in (85.34 cm) |
| Shift Right | 32.10 in (81.53 cm) |
| Blade Base | 9.00 ft (2.74 m) |
| Front Ground Clearance | 1.90 ft (0.58 m) |
| Height to Top of Isomount Cab | 10.50 ft (3.20 m) |
| Overall Length | 27.80 ft (8.47 m) |
| Tandem Axle Wheelbase | 5.10 ft (1.55 m) |
| Wheelbase | 19.60 ft (5.97 m) |
| Width Over Tires | 8.10 ft (2.47 m) |
| Aspiration | Turbocharged with Intercooler |
| Displacement | 466.00 cu in (7,636.39 cu cm) |
| Engine Model | 6-466A |
| Max Power | 180.00 hp (134.23 kw) |
| Net Power Gear 1-2 | 155.00 hp (115.59 kw) |
| Net Power Gear 4-6 | 180.00 hp (134.23 kw) |
| Net Power Gear 5-6 | 180.00 hp (134.23 kw) |
| Net Power Gears 7-8 | 180.00 hp (134.23 kw) |
| Net Torque Gears 7-8 | 537.00 lbs ft (728.06 nm) |
| Number of Cylinders | 6 |
| Power Measured @ | 2200 rpm |
| Torque Measured @ | 1400 rpm |
| Ground Clearance | 1.90 ft (0.58 m) |
| Oscillation - Total | 30 degrees |
| Wheel Lean | 20 degrees |
| Pump Flow | 36.00 gpm (136.26 lpm) |
| Pump Type | Closed Center Variable Displacement |
| Moldboard Height | 24.00 in (60.96 cm) |
| Moldboard Thickness | 0.90 in (2.29 cm) |
| Moldboard Width | 12.00 ft (3.66 m) |
| Side Shift Left | 26.90 in (68.33 cm) |
| Side Shift Right | 26.90 in (68.33 cm) |
| Alternator Supplied Amperage | 42 amps |
| Circle Gearbox Fluid Capacity | 1.10 gal (4.16 l) |
| Cooling System Fluid Capacity | 7.00 gal (26.50 l) |
| Fuel Capacity | 70.00 gal (264.95 l) |
| Hydraulic System Fluid Capacity | 31.00 gal (117.34 l) |
| Max Operation Weight - Front Axle | 9,091.00 lbs (4,123.61 kg) |
| Max Operation Weight - Rear Axle | 24,758.00 lbs (11,230.05 kg) |
| Max Operation Weight - Total | 33,849.00 lbs (15,353.67 kg) |
| Oil System Fluid Capacity | 5.00 gal (18.93 l) |
| Operating Voltage | 24 volts |
| Std Operation Weight - Front Axle | 8,548.00 lbs (3,877.31 kg) |
| Std Operation Weight - Rear Axle | 21,712.00 lbs (9,848.41 kg) |
| Std Operation Weight - Total | 30,260.00 lbs (13,725.72 kg) |
| Tandem Case Fluid Capacity (each) | 5.00 gal (18.93 l) |
| Tire Size | 14 |
| Articulation Angle | 25 degrees |
| Turning Radius | 22.00 ft (6.71 m) |
| Max Speed - Forward | 25.10 mph (40.39 kph) |
| Max Speed - Reverse | 8.60 mph (13.84 kph) |
| Number of Gears - Forward | 8 |
| Number of Gears - Reverse | 4 |
| Transmission Type | Power Shift |