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31hp Briggs Vanguard Big Block

Discussion in 'Lawn Mowing' started by kyfireman2004, Aug 16, 2007.

  1. rodfather

    rodfather LawnSite Fanatic
    Messages: 9,501

    I have 2 on 72" Z decks and very pleased.
  2. MuleCutter

    MuleCutter LawnSite Member
    Messages: 212

    yep... had mine about a year now and i cant say ANYTHING bad about it. i run mobile 1 fully synthetic in it, keep my air filter clean and havent had one problem with it. the engine simply does NOT kill. your blades will almost come to a complete stop before the governor kicks in.
  3. HazellLawnCare

    HazellLawnCare LawnSite Senior Member
    Messages: 832

    How economical is this motor on fuel? My dealer tells me his reps say the fuel injected Kawasaki gets about as good of mileage as the diesels. I am just curious what the big block does.
  4. West KY Lawncare

    West KY Lawncare LawnSite Member
    Messages: 88

    I have the 29 dfi on one scags turf tiger and the other turf tiger has the 31 big block and I can't tell any difference in fuel consumption. One account took about 6 hours of good running and they used about the same amount of fuel. I may have pushed the 29 a little harder than my wife pushed her 31 but the both used about the same amount of fuel. Main difference in the two is that one has a choke and the other does not. Both have lots of power!
  5. tacoma200

    tacoma200 LawnSite Fanatic
    Messages: 5,426

    No problems here. Smooth, plenty of power, and uses a little more fuel than my 27 Kohler. I would buy another big block Briggs. They seem to be a tried and true preformer.
  6. Cooter

    Cooter LawnSite Senior Member
    from NE Iowa
    Messages: 510

    Anyone have much to say about the 35 hp Briggs?
  7. ElephantNest

    ElephantNest LawnSite Bronze Member
    from La.
    Messages: 1,878

    Love my 31 on the 60" Lazer Z. Not a single problem with it.
  8. SproulsLawnCare

    SproulsLawnCare LawnSite Senior Member
    from IN
    Messages: 365

    Are any of these big blocks water cooled?
  9. Blessed 1

    Blessed 1 LawnSite Senior Member
    Messages: 516

    I loved the 31 so much I went back and got the 35. The only problem that I had was the teeth on the oil pump sheared off after about 400 hrs on the 31hp and the warranty covered a new short block. Awsome performance!

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