Thread Number: 11852
Royal Serial Number Reset
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Post# 127234   3/10/2011 at 22:48 (4,741 days old) by KirbyClassicIII (Milwaukie, Oregon)        

kirbyclassiciii's profile picture

On a number of old Royal uprights, canisters and hand vacs, the serial # seems to reset back to 1001 or so. I would think such occurrences may be due to an improved motor design or something.

Examples of historic Royal models whose serial #s have been reset:

Highest known serial # before reset: E80-D-87933 (May 1980)

Highest known serial # before reset: K80-B-245496 (October 1980)
Serial reset in 1982 with 2 amp motor (example: G82-D-38467).

Highest known serial # before reset: 78F-C-124046 (June 1978)

Serial reset in 1976 with newly-rated 3 amp motor (example: 67L-C-02854, November 1976)
Highest known serial # before production end: C87G093068 (March 1987)

Again, why had Royal reset serial # sequencing on some of their long-running models?


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