Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
The John Deere 770B Motor Grader is a powerful and versatile machine designed for grading and shaping roads and surfaces with precision. With a turbocharged engine producing 155 horsepower and 522 lb-ft of torque, this grader is capable of efficiently handling various terrains. Its hydraulics system provides a flow rate of 52.4 gallons per minute, while the closed-center variable displacement pump ensures smooth operation. Equipped with a moldboard measuring 12 feet in width and various operational weights up to 35,450 pounds, the 770B Motor Grader guarantees high performance and reliability.
| Blade Tip Angle - Front | 49 degrees |
| Blade Tip Angle - Rear | 5 degrees |
| Diameter | 59.10 in (150.11 cm) |
| Max Lift Above Ground | 18.60 in (47.24 cm) |
| Max Reach Outside Tires - Left | 85.10 in (216.15 cm) |
| Max Reach Outside Tires - Right | 83.10 in (211.07 cm) |
| Rotation | 360 degrees |
| Shift Left | 31.00 in (78.74 cm) |
| Shift Right | 28.60 in (72.64 cm) |
| Blade Base | 8.80 ft (2.68 m) |
| Front Ground Clearance | 1.90 ft (0.58 m) |
| Height to Top of Isomount Cab | 10.20 ft (3.11 m) |
| Overall Length | 28.00 ft (8.53 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 |
| Displacement | 466.00 cu in (7,636.39 cu cm) |
| Engine Model | 6076T |
| Max Power | 155.00 hp (115.59 kw) |
| Net Power Gears 7-8 | 155.00 hp (115.59 kw) |
| Net Torque Gears 7-8 | 522.00 lbs ft (707.73 nm) |
| Number of Cylinders | 6 |
| Power Measured @ | 2200 rpm |
| Torque Measured @ | 1100 rpm |
| Ground Clearance | 1.90 ft (0.58 m) |
| Oscillation - Total | 32 degrees |
| Wheel Lean | 20 degrees |
| Pump Flow | 52.40 gpm (198.33 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 | 45 amps |
| Circle Gearbox Fluid Capacity | 1.10 gal (4.16 l) |
| Cooling System Fluid Capacity | 10.10 gal (38.23 l) |
| Fuel Capacity | 90.00 gal (340.65 l) |
| Hydraulic System Fluid Capacity | 23.00 gal (87.06 l) |
| Max Operation Weight - Front Axle | 9,870.00 lbs (4,476.96 kg) |
| Max Operation Weight - Rear Axle | 25,580.00 lbs (11,602.91 kg) |
| Max Operation Weight - Total | 35,450.00 lbs (16,079.87 kg) |
| Oil System Fluid Capacity | 6.50 gal (24.60 l) |
| Operating Voltage | 24 volts |
| Std Operation Weight - Front Axle | 8,700.00 lbs (3,946.26 kg) |
| Std Operation Weight - Rear Axle | 22,550.00 lbs (10,228.52 kg) |
| Std Operation Weight - Total | 31,250.00 lbs (14,174.78 kg) |
| Tandem Case Fluid Capacity (each) | 5.00 gal (18.93 l) |
| Tire Size | 14.00-24 |
| Articulation Angle | 25 degrees |
| Turning Radius | 22.00 ft (6.71 m) |
| Max Speed - Forward | 25.20 mph (40.56 kph) |
| Max Speed - Reverse | 8.60 mph (13.84 kph) |
| Number of Gears - Forward | 8 |
| Number of Gears - Reverse | 4 |
| Transmission Type | Power Shift |