1998 John Deere 670CH Motor Grader. SN DW670CH566829. EROPS. 14 Foot Moldboard. Rear Ripper. Tip Control. 14.00x24 Rubber. JD Diesel Engine. Hour Meter Reads: 7,525 Hours. PER SELLER: Runs & operates but sometimes transmission acts up. Appears to be an electrical problem with transmission.