JOHN DEERE 770CH MOTOR GRADERS

Technical Description

The John Deere 770CH motor grader features a turbocharged 6-cylinder John Deere 6081H engine with a displacement of 494 cubic inches (8.1 L), delivering up to 205 hp at 1900 rpm and a maximum torque of 682 lbs-ft at 900 rpm across higher gears. Its power shift transmission includes 8 forward and 8 reverse gears, enabling speeds up to 25.8 mph in both directions. The hydraulic system is a closed-center variable displacement type, providing 54.7 gpm flow at 2550 psi relief pressure for precise blade control. The moldboard measures 12 feet wide, 24 inches high, and 0.9 inches thick, with blade pull capacity of nearly 28,000 lbs, and features 360-degree rotation with lateral shift capabilities (left 31 inches, right 28.6 inches) and blade tip angles of 49° front and 5° rear for versatile grading. Dimensions include an overall length of 28.3 ft, a wheelbase of 19.6 ft, and a width over tires of 8.3 ft. Front ground clearance is 2.1 ft, and the cab height is 10.3 ft. The front axle offers 2.1 ft ground clearance with 32° total oscillation and 20° wheel lean for stability. Steering articulates at 25° with a turning radius of 22 ft. Fuel capacity is 106 gallons, and total operating weight reaches up to 36,230 lbs. This grader balances power, maneuverability, and hydraulic precision suited to heavy-duty road construction and earthmoving tasks.