670C - GRADER, MOTOR 3440 Grading Device Frames Parts group 3440 Grading Device Frames 3440 Grading Device Frames . LIFT ARMS DRAFT FRAME LIFT ARM YOKE AND STRAIGHT PIN LIFT ARMS BLADE TILT FRAME CIRCLE FRAME AND SUPPORTS Replacement Circle Frame Teeth LIFT ARM LOCKING PIN SADDLE FRAME AND LOCKING PIN BRACKET