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How long should Walker Hydro last?

Discussion in 'Lawn Mowing' started by mcambrose, Oct 4, 2002.

  1. mcambrose

    mcambrose LawnSite Senior Member
    Posts: 511

    I have a hydro acting up at about 1200 hours on my Walker 20 hp. Is this unusual? It is getting to where it doesn't have enough power to back up a steep hill, but does max speed is good on level ground. The other hydro still works fine. Never have had to add fluid to the pump. Could changing the fluid make a difference?
  2. Richard Martin

    Richard Martin LawnSite Fanatic
    Posts: 14,700

    Have you ever changed the filter?
  3. 65hoss

    65hoss LawnSite Fanatic
    Posts: 6,360

    I don't really know very much about Walkers, but does it have a belt? If so, it could be slipping.
  4. Indiana

    Indiana LawnSite Member
    Posts: 246

    My Walker distributor says hydros last 3000 hours if you don't take care of them... I you service them you wear out the machine before hydros cause trouble... USUALLY.

    I would say change filters, fluid, and belts. I doubt you have to replace the hydro yet. I have two Walkers a 20hp "T" and a 16 hp "C". both have 1000 - 1500 hours. No problems.
  5. mcambrose

    mcambrose LawnSite Senior Member
    Posts: 511

    I didn't know that the Walker hydros have filters. Do they have filters?
  6. gene gls

    gene gls LawnSite Gold Member
    Posts: 3,213


    I have a 1997 Walker 20HP with 2600+ hours and no hydro problems other than worn belt and streched tensioner spring. Walker has come out with a heavy duty spring for the idler pullys. I would start with a new belt and spring.

  7. Brickman

    Brickman LawnSite Bronze Member
    Posts: 1,249

    I would be calling the Walker dealer tomorrow morning. They had a recall on some of them. He would know the serial numbers. The one I sold was right in the middle of the recall and never had any trouble with it. Another guy bought one the same day I did and had his back for replacement in about a month or so. I put over 1000 hours on mine with no problems.
    Backing up was where the first sign of trouble showed up.
  8. MikeLT1Z28

    MikeLT1Z28 LawnSite Bronze Member
    Posts: 1,732

    i have to get a new belt and spring for mine. seems top speed is down and if you try to go to full speed immediately the belt slips and hits the bottom of the front body. might be why i can't work on hills too good.
  9. CMerLand

    CMerLand LawnSite Senior Member
    Posts: 393

    Take a look at your pulleys as well. If the pulleys are seriously worn then a new belt isnt going to solve the problem. It may mask it a bit until that belts worn but because the belt is riding deeper in the pulley it doesnt work as well as if riding on the pulley properly.
  10. shearbolt

    shearbolt LawnSite Member
    Posts: 171

    3900 hours on my hydros. Change the oil every year. Be very careful not to let dirt get in the hydros. Clean the reservoir very well before opening it up. When draining let them sit all night with the plugs out. Replace the drive belt (engine to jackshaft) and use the tighter spring.

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