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  1. #1
    New Member
    Join Date
    May 2013
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    1
    Location
    Burlington, NC
    Tractor
    Ford Golden Jubilee

    Default Snapper HI-Vac walk behind 21 inch mower suction

    Does anyone know if there has been a significant design change in the housing of the walk behind 21 inch Snapper Hi-Vac decks? My two new mowers do not vacuum nearly as well as my 20 year old re-engined unit. Both the new mowers have the "rolled under" vacuuming deck lip, not the "rolled out" mulching deck lip. I have installed a high lift blade with wings, but this has not helped much. For mowers costing $850-$1200 (Kawasaki and Honda engines), I would expect better performance.
    Any thoughts?

  2. #2
    Member
    Join Date
    Apr 2013
    Posts
    34
    Location
    Ohio
    Tractor
    John Deere X540, X304, X310

    Default Re: Snapper HI-Vac walk behind 21 inch mower suction

    Quote Originally Posted by jorddavi View Post
    Does anyone know if there has been a significant design change in the housing of the walk behind 21 inch Snapper Hi-Vac decks? My two new mowers do not vacuum nearly as well as my 20 year old re-engined unit. Both the new mowers have the "rolled under" vacuuming deck lip, not the "rolled out" mulching deck lip. I have installed a high lift blade with wings, but this has not helped much. For mowers costing $850-$1200 (Kawasaki and Honda engines), I would expect better performance.
    Any thoughts?
    You might want to check engine RPM. I would think that affects vacuum as much as anything else. Many newer engines have had the speed lowered. I believe the safety rules now specify a max blade tip speed and the larger the deck, the slower the engine RPMs. I think a 21 inch deck is supposed to be 3250 RPM.

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