I have no model number available on tractor. In order to order paarts to do some repairs need model number. I have serial number 6297. I also have a part number - the plastic tunit the steering wheel and ignition are attached 167620. The Briggs engine say 12hp I/C Quiet. I am going in circles. I found something on line that was sold and looks like mine again no model numner but references the 12 LTG and year 1991. Need help. escheinersold@prodigy.net