Machine description: John Deere 670A Motor Grader. 6.504 Hrs Showing. John Deere 6414T 6-Cylinder. Diesel. Water Cooled Engine. 8 Forward Speeds. 4 Reverse Speeds. Powershift Transmission. 3 Axles. Hydraulic Brakes. Artic... more info about the John Deere 670A.