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John Deere 777 VS John Deere z820a

Discussion in 'Lawn Mowing' started by mgall51, Apr 29, 2009.

  1. educatedman76

    educatedman76 LawnSite Member
    Posts: 10

    Hi, my name is Brian and had a question for you. What exactly is the "improvement kit" you were talking about? Can you give more details on this?

    I am looking to buy an 820a from 2009 (I think) with low hours in good condition with the mulch kit, but do not understand the quirks if this machine.
     
  2. Ridin' Green

    Ridin' Green LawnSite Fanatic
    Male, from Michigan
    Posts: 12,852

    Hi Brian. The "kit" was for the hydro units, which is what caused all the problems on the early 800's (first half of '08). The '09 models should all have the upgrade kit installed from the factory.
     
  3. educatedman76

    educatedman76 LawnSite Member
    Posts: 10

    Greetings friend,

    The "kit" was for the hydro pumps? OK, I see.

    -But how did it solve the problem?
    -Were the hydro pumps replaced with smaller ones or bigger ones?
    -What exactly was in the "kit"?
    -Also did it sufficiently solve the "lack of power" issue when climbing hills and tall grasses?

    -Moreover, does '09 models of the 820a's have the same issues?

    Thanks for the reply,

    Brian Cruz
     
  4. Ridin' Green

    Ridin' Green LawnSite Fanatic
    Male, from Michigan
    Posts: 12,852

    Just use the search function here in this forum or the mechanic and repair forum. There are a ton of posts about all the upgrades and problems to read through.
     

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