797 Blew Head Gasket at 115 hrs

Discussion in 'Lawn Mowing' started by lawns Etc, May 22, 2008.

  1. lawns Etc

    lawns Etc LawnSite Silver Member
    Posts: 2,272

    Is this common with the 29 DFI engine
     
  2. Mike Blevins

    Mike Blevins LawnSite Bronze Member
    Posts: 1,361

    I hope not. I haven't heard anything negative about the 29 dfi just alot of positives thats why I bought mine. I was told that its Scag's best selling engine? I don't know if that is true or not.
     
  3. puppypaws

    puppypaws LawnSite Fanatic
    Posts: 8,906

    That is true according to their manufacturing facility.
     
  4. ProStreetCamaro

    ProStreetCamaro LawnSite Platinum Member
    Posts: 4,133

    There was a topic on here just a few days ago with a guy that had 3 JD 700 series mowers that all had head gasket problems. He said something about a bad design on the JD mowers that caused bad air flow to the engine and was causing one side of the motor to heat up and blow the head gasket. I dont think its because of the 29hp dfi. It may be an air flow issues.
     
  5. ProStreetCamaro

    ProStreetCamaro LawnSite Platinum Member
    Posts: 4,133

  6. lawns Etc

    lawns Etc LawnSite Silver Member
    Posts: 2,272

    I do remember that thread, they gave me a 737 till mine is fixed I am impressed they bumped the rpms and it cuts almost as fast as the 797 I am serious
     

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