JOHN DEERE 670A MOTOR GRADERS

Technical Description

The John Deere 670A motor grader features a turbocharged 6-cylinder 6-414T diesel engine with 414 cu in displacement, delivering 125 hp at 2300 rpm and 372 lb-ft of torque at 1300 rpm. It employs a power shift transmission with 8 forward and 4 reverse gears, achieving a top forward speed of 23.9 mph and a reverse speed of 7.6 mph. The grader has an articulated frame steering system with a 25° articulation angle and a 22 ft turning radius. The 12-foot wide moldboard is 24 inches high and 0.9 inches thick, with side shifts of 26.9 inches to either side and front and rear blade tip angles of 44° and 10°, respectively. The blade circle measures 57.9 inches in diameter and rotates 360°, with maximum lift above ground of 16.2 inches and lateral shifts of 34.5 inches left and 30 inches right. Dimensions include an overall length of 27.3 ft, width over tires of 7.9 ft, wheelbase of 19.6 ft, and front ground clearance of 1.9 ft. Operating weights are approximately 26,553 lbs standard and up to 30,055 lbs maximum. The hydraulic system has a 37.6 gpm closed-center variable displacement pump, supporting hydraulic fluid capacity of 28 gallons. This motor grader is built for robust road construction and grading applications, with a 60-gallon fuel tank, heavy-duty 13.00-24 tires, and durable front axle with 30° oscillation and 20° wheel lean, ensuring rugged performance and precise control in demanding environments. The 25-volt electrical system supplies a 42-amp alternator to support operational needs.