Woodard,
I am not the expert on the serial numbers, other guys here can speak to that better. I also have a 1450 and the engines on the quietline series were black and my K321 also pushes down into the pan. Hope this helps.
Chad
I am not the expert on the serial numbers, other guys here can speak to that better. I also have a 1450 and the engines on the quietline series were black and my K321 also pushes down into the pan. Hope this helps.
Chad