Also, mieles7
The #4000 and #4500ST were produced from 1995 to 2001. They were replacements for the #9700 and #5700 respectively, both of which had 7.0 amp motors and were produced from 1990 to 1995.
Like I said in my last reply, my #5000NA is a greyscale copy (most of the trim on the machine is black, and the bag is grey) of the Royal #889 (which has burgundy trim like your #4500ST, but a mauve bag).
~Ben
