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Thread: Cat 3406 C Valve Lash

  1. #1
    Join Date
    Jul 2009
    Location
    Colorado
    Posts
    13

    Default Cat 3406 C Valve Lash

    Does anybody know the 3406 C Valve Lash? Once again, loaned my manual out and haven't gotten it back! Just when I need it!
    Thank you!
    CatDW20

  2. #2
    Join Date
    Nov 2006
    Location
    Dallas Pa.
    Posts
    1,902

    Default Valve Setting

    I don,t have a book on the C but on the one earlier 3406 and it calls for .015" for intakes and .030" for the exhausts.Someone I,m sure has a book showing the settings for the C models.

  3. #3
    Join Date
    Nov 2006
    Location
    portland victoria australia
    Posts
    901

    Default lash

    http://www.tecbrake.com/Catepillar%2..._11-15-99_.pdf

    hello CatDW20 ,make sure you get the right serial number for your engine ,bruce oz



    Engine Model Engine Slave
    Yr./Prefix Rating (HP) Lash
    3406 92U All 0.060 (1.52 mm)
    3406B Pre-91 4MG, All 0.080 in. (2.03mm)
    5YG, 7FB, 8TC
    3406B 3ZJ16181 & All except 400 0.080 in. (2.03mm)
    below
    3406B 3ZJ16181 & 400 0.067 in. (1.70mm)
    below
    3406C 3ZJ16182 & 310-350 0.080 in. (2.03mm)
    greater
    3406C 3ZJ16182 & 365-460 0.090 in. (2.28mm)
    greater
    3406B 5KJ All except 400 0.080 in. (2.03mm)
    3406B 5KJ 400 0.067 in. (1.70mm)
    3406C 5KJ 310-350 0.080 in. (2.03mm)
    3406C 5KJ 365-460 0.090 in. (2.28mm)
    3406C 8PN All 0.080 in. (2.03mm

  4. #4
    Join Date
    Dec 2006
    Location
    De Leon Texas
    Posts
    157

    Default

    With that much valve lash, it is no wonder they clatter.

  5. #5
    Join Date
    Nov 2006
    Location
    portland victoria australia
    Posts
    901

    Exclamation lash

    hello CatDW20 , i should have asked if it on highway or off ,the settings above are for on highway ,bruce oz

  6. #6
    Join Date
    Jul 2009
    Location
    Colorado
    Posts
    13

    Default

    Hi again, Bruce!
    Ignore the previous message on the other post (D337 Valve Lash). I am a little slow when it comes to the computer stuff.

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