Thread Number: 10738
Royal Commercial Duke Uprights
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Post# 116029   11/27/2010 at 08:29 (4,870 days old) by KirbyClassicIII (Milwaukie, Oregon)        

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Hi,

Does anyone remember the Royal Commercial Duke series all-metal uprights? They are identified by their red bags, with a special patch done up in red and blue.

Cross-reference of Duke models (1989-1995):
Duke 7500 / 655 (Rite-Hite infinite height adjustor)
Duke 7510 / 656 (Au-Toe-Matic 5-position height adjustor)

Duke 7610 / 660 (6 amp motor)

Duke 7700, 7700Z / 670, 670Z (Rite-Hite infinite height adjustor and Adjust-O-Rite)
Duke 7710, 7710Z / 671, 671Z (Au-Toe-Matic 5-position height adjustor and standard belt cover)
Duke 7720, 7720Z / 672, 672Z (as 7700 / 670 with headlight)
Duke 7730, 7730Z / 673, 673Z (as 7710 / 671 with headlight)

Duke 7900, 7900Z / 690, 690Z (as 7700 / 670 except 18" wide nozzle)
Duke 7910, 7910Z / 691, 691Z (as 7710 / 671 except 18" wide nozzle)
Duke 7920, 7920Z / 692, 692Z (as 7720 / 672 except 18" wide nozzle)
Duke 7930, 7930Z / 693, 693Z (as 7730 / 673 except 18" wide nozzle)

I'm led to believe that the second digit of the model numbers designates the amperage (654, 655/7500 and 656/7510 being 5 amps, 660 and 7600 being 6 amps and 670-673/7700-7730 being 7 amps; the one exception to this rule are models 690-693 and 7900-7930 which have the same 7 amp motors as the 670/7700 series but have 18" wide nozzles instead of the common 14" wide nozzles). Of course, this analogy does not apply to all Royal model numbers.

~Ben


Post# 116107 , Reply# 1   11/27/2010 at 17:55 (4,869 days old) by joe22 ()        

red bags were denim !!!

thats all i know about them ben. i dont have one, want one, have not seen any, even on ebay


Post# 116122 , Reply# 2   11/27/2010 at 21:35 (4,869 days old) by kirby16 ()        

Could i see a pic? I know ive seen these somewhere but i want to be sure.

Post# 116147 , Reply# 3   11/28/2010 at 04:54 (4,869 days old) by KirbyClassicIII (Milwaukie, Oregon)        
TotalVac.com

kirbyclassiciii's profile picture
Check out this page, then scroll down to "Royal Vacuum Cleaner Cloth Shake Out Bag." (part #R-770040)

~Ben


CLICK HERE TO GO TO KirbyClassicIII's LINK



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