Gordon,
I use an Aeroquip quick disconnect fitting. It permanently mounts on the pan. Comes with a male fitting that you attach to a hose. To change the
oil simply unscrew the cap and snap in the fitting.
Oil drains through the hose to a container. Unsnap and put the cap back on and you're done.
Available at Jegs.
http://www.jegs.com/cgi-bin/ncommerc...96&prmenbr=361
Roscoe