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Gravely Pro-1336G Trans Help

Discussion in 'Mechanic and Repair' started by ajordan193, Jan 29, 2008.

  1. ajordan193

    ajordan193 LawnSite Senior Member
    from WNY
    Posts: 460

    I have a Gravely Pro-1336G that i have been having transmission problems with it slipping for the past year. Dealer wanted $600 to rebuild it and like $800 to replace it. The mower is probably only worth 1,000 if that so i don't' want to put all that extra money into it, especially since its used for 3 houses a week.

    What is involved in replacing the transmission on this and where can i buy a new one other than the dealer? I've looked online but have no idea which one fits. Any help would be greatly appreciated. Thanks
     
  2. I MOW ALONE

    I MOW ALONE LawnSite Bronze Member
    Posts: 1,896

    i dought the trans is slipping i bet it is the belt that drives the trans a $10 part if replacing is needed. but i bet it just needs to be tightened
     
  3. ajordan193

    ajordan193 LawnSite Senior Member
    from WNY
    Posts: 460

    The trans is slipping through all the low gears. The dealer checked the belt and said most likely it was the trans that needed to be rebuilt or replaced.
     
  4. Restrorob

    Restrorob LawnSite Fanatic
    Posts: 11,024


    When this trans slips does it make any noise at all or the unit jump when it slips ?

    When it slips does the two drive axles on each side of the trans slow down/quit moving ?
     
  5. I MOW ALONE

    I MOW ALONE LawnSite Bronze Member
    Posts: 1,896

    i would'nt believe one thing that comes out of that dealers mouth. considering he wants $800 for a $200 trans. CROOK
     
  6. LawnTamer

    LawnTamer LawnSite Gold Member
    Posts: 3,988

    My thoughts exactly, that is most likely just a Peerless 700 5 speed tranny, you can get 'em about anywhere online for around $200-$230. I found a brand new one last year for $179. If you need it soon, try a local Lesco, (now JD landscapes), all their gear drives use the same tranny, so they often stock them.
    Every time I've actually had one fail, it hasn't just slipped, it's failed. The shaft that connects to the sheave on the bottom gets all loose and wiggly. Slipping is common from a loose belt.
     
  7. ajordan193

    ajordan193 LawnSite Senior Member
    from WNY
    Posts: 460

    When the trans slips it does make a knocking noise and stops the mower just about. The worst is when you are trying to go up a hill or any slope and it just sits there and slips.

    I may not have the prices exactly but they might have wanted $600 for a new one and $400ish for a rebuilt one.

    Also how hard are these to replace?
     
  8. LawnTamer

    LawnTamer LawnSite Gold Member
    Posts: 3,988

    Not hard at all. The first one I did took a few hrs. (don't laugh Restrorob), I have done 4 of them now and can do it in 30 minutes, if nothing goes wrong, 45 minutes if something does. The trickiest part is getting the sheave, (pulley) and key off the bottom.
     
  9. Restrorob

    Restrorob LawnSite Fanatic
    Posts: 11,024

    Whooo Meee ??? :nono: :waving:


    Sounds like the shift keys are worn but more so the mating surface on the inside of the gears. A replacement would be better in this case since a new trans can be bought cheap enough.

    Where your two case halves bolt together you will see a square area, In this area is a aluminum tag with the model and spec numbers for your trans....With these numbers you can locate a replacement.
     
  10. ajordan193

    ajordan193 LawnSite Senior Member
    from WNY
    Posts: 460

    Thanks guys for the info
     

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