- Category: Motor Graders ➔
- Manufacturer: John Deere ➔
- Model: 772B ➔
The John Deere 772B Motor Grader offers exceptional performance and efficiency for various grading applications. With a powerful 155 hp engine and a range of operating specifications including circle rotation, moldboard dimensions, and hydraulic system capacity, this motor grader is designed to handle heavy-duty tasks with ease. The machine's advanced features such as a turbocharged engine, closed center variable displacement hydraulic system, and power shift transmission make it a reliable and versatile choice for road construction and maintenance projects.
Circle
| Blade Tip Angle - Front | 49 degrees
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| Blade Tip Angle - Rear | 5 degrees
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| Diameter | 60 in (152 cm)
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| Max Lift Above Ground | 19 in (47 cm)
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| Max Reach Outside Tires - Left | 85 in (216 cm)
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| Max Reach Outside Tires - Right | 83 in (211 cm)
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| Rotation | 360 degrees
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| Shift Left | 31 in (79 cm)
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| Shift Right | 29 in (73 cm)
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Dimensions
| Blade Base | 9 ft (3 m)
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| Front Ground Clearance | 2 ft (1 m)
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| Height to Top of Isomount Cab | 10 ft (3 m)
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| Overall Length | 28 ft (9 m)
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| Tandem Axle Wheelbase | 5 ft (2 m)
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| Wheelbase | 20 ft (6 m)
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| Width Over Tires | 8 ft (2 m)
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Engine
| Aspiration | Turbocharged
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| Displacement | 466 cu in (7,636 cu cm)
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| Engine Model | 6466T
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| Max Power | 155 hp (116 kw)
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| Net Power Gears 7-8 | 155 hp (116 kw)
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| Net Torque Gears 7-8 | 480 lbs ft (651 nm)
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| Number of Cylinders | 6
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| Power Measured @ | 2200 rpm
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| Torque Measured @ | 1400 rpm
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Front Axle
| Ground Clearance | 2 ft (1 m)
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| Oscillation - Total | 32 degrees
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| Wheel Lean | 20 degrees
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Hydraulic System
| Pump Flow | 52 gpm (198 lpm)
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| Pump Type | Closed Center Variable Displacement
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Moldboard
| Moldboard Height | 24 in (61 cm)
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| Moldboard Thickness | 1 in (2 cm)
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| Moldboard Width | 12 ft (4 m)
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| Side Shift Left | 27 in (68 cm)
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| Side Shift Right | 27 in (68 cm)
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Operating Specifications
| Alternator Supplied Amperage | 42 amps
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| Circle Gearbox Fluid Capacity | 1 gal (4 l)
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| Cooling System Fluid Capacity | 7 gal (26 l)
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| Fuel Capacity | 90 gal (341 l)
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| Hydraulic System Fluid Capacity | 23 gal (87 l)
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| Max Operation Weight - Front Axle | 10,650 lbs (4,831 kg)
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| Max Operation Weight - Rear Axle | 26,080 lbs (11,830 kg)
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| Max Operation Weight - Total | 36,730 lbs (16,660 kg)
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| Oil System Fluid Capacity | 7 gal (25 l)
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| Operating Voltage | 24 volts
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| Std Operation Weight - Front Axle | 9,400 lbs (4,264 kg)
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| Std Operation Weight - Rear Axle | 23,050 lbs (10,455 kg)
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| Std Operation Weight - Total | 32,450 lbs (14,719 kg)
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| Tandem Case Fluid Capacity (each) | 5 gal (19 l)
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| Tire Size | 14.00-24
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Steering System
| Articulation Angle | 25 degrees
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| Turning Radius | 23 ft (7 m)
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Transmission
| Max Speed - Forward | 25 mph (41 kph)
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| Max Speed - Reverse | 9 mph (14 kph)
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| Number of Gears - Forward | 8
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| Number of Gears - Reverse | 4
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| Transmission Type | Power Shift
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