Exmark Shakes/ Shutters Under Load

Discussion in 'Mechanic and Repair' started by TripleT, Aug 30, 2011.

  1. TripleT

    TripleT LawnSite Member
    Posts: 24

    I have an exmark laser that shakes or shutters when I start to pull from one side. If I'm going up or down an incline and I try to left steer front of back it shutter and will barely pull. No problem turning on level ground only when its under a load. Any advice would be appreciated.
    Thanks Ray
     
  2. billslawn89

    billslawn89 LawnSite Bronze Member
    Posts: 1,364

    sounds like your hydro pump going
     
  3. TripleT

    TripleT LawnSite Member
    Posts: 24

    Can they be rebuilt or replacement only??
     
  4. MOturkey

    MOturkey LawnSite Silver Member
    Posts: 2,746

    I'd guess a wheel motor, if it is only doing it on one side.
     
  5. MJB

    MJB LawnSite Silver Member
    from Wa
    Posts: 2,869

    Sounds like a wheel motor. Better get it looked at before you trash both sides with metal filings in the oil.
     
  6. MJB

    MJB LawnSite Silver Member
    from Wa
    Posts: 2,869

    Replaced only.
     
  7. TripleT

    TripleT LawnSite Member
    Posts: 24

    Thanks for the advise. I'll get one on order.
    Ray
     
  8. MJB

    MJB LawnSite Silver Member
    from Wa
    Posts: 2,869

    I bought pumps and wheel motors from J Thomas Catalog and saved money.
    But make sure that is the problem first.
     
  9. Snyder's Lawn Inc

    Snyder's Lawn Inc LawnSite Platinum Member
    Posts: 4,541

    I going say check you motor bolts make sure they are tight if tight then check the belts then might be the wheel motor
     
  10. billslawn89

    billslawn89 LawnSite Bronze Member
    Posts: 1,364

    the reason i said the hydro pump is thats what happened on my older scag turf tiger. i bought a new pump online and had a mower shop install it for 100.00. they installed it faster then i could have. take it to a shop to make sure, like others have said.
     

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