CONSTANT VALVE DROP ON 35- AND 34- SERIES CAT ENGINES
  • Vote Up0Vote Down tonye May 2008
    Posts: 2
    We have a lot of experience with CAT G3306 and G33304 engines. A new series CAT3400 and and G3500 have been introduced which we are having frequent valve drops. An RCA carried out on one of the failed ones indicate wrong valve bridge used. But this failure is now occuring even on units with correct spec of materials installed. Has any body got experience he can share on how we can overcome this problem.

    The units are mostly Gas or diesel used to power electric power generatings sets.
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  • Vote Up0Vote Down spacol May 2008
    Posts: 6
    [quote author=tonye link=topic=17.msg18#msg18 date=1209807985]
    We have a lot of experience with CAT G3306 and G33304 engines. A new series CAT3400 and and G3500 have been introduced which we are having frequent valve drops. An RCA carried out on one of the failed ones indicate wrong valve bridge used. But this failure is now occuring even on units with correct spec of materials installed. Has any body got experience he can share on how we can overcome this problem.

    The units are mostly Gas or diesel used to power electric power generatings sets.


    Can you please be a little more specific? What exactly do you mean by valve drops?
  • Vote Up0Vote Down Rhetoric June 2008
    Posts: 4
    By 'valve drops' do you mean that you are having high valve recession?
  • Vote Up0Vote Down orkosk May 2010
    Posts: 1
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  • Vote Up0Vote Down abnahid21 May 2010
    Posts: 1
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  • Vote Up0Vote Down thimothy November 2010
    Posts: 5
    I would like to point out that I have been using CAT G3306 over the last six months and have never encountered a problem. Before that we brought a Chinese engine because it was cheap. In the beginning everything went on smoothly. After two months the engine suddenly broke down. When we enquired we found that the cost of repairing it was more than its actual price. So finally we decided to keep it aside and purchased a CAT.
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