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Thread: Sun Tachometers

  1. #1

    Sun Tachometers

    I have two Sun tachometers 0-4000 range. Do not have the pulse sending units. See on Ebay for $79.00 will sell for $50.00/each.20220115_091111.jpg

  2. #2

    Re: Sun Tachometers

    Quote Originally Posted by TomT13 View Post
    I have two Sun tachometers 0-4000 range. Do not have the pulse sending units. See on Ebay for $79.00 will sell for $50.00/each.Attachment 56281
    Are these for a diesel or gas? I bought one on Bay like this once, brand new, and it would not work. I switched sides with my working one to verify it was the gauge. I am interested but want to make sure it will work with my Detroit 1271's

  3. #3

    Re: Sun Tachometers

    Having issues also. Only STB is accurate.
    1966 34c
    1982 46 HP

  4. #4

    Re: Sun Tachometers

    These came off of my 1985 36 C with 3208 Cat engines.

  5. #5

    Re: Sun Tachometers

    Can you send me pictures of the back of the gauge? I would be interested in one of them if I can verify it will work

  6. #6

    Re: Sun Tachometers

    Photo of the back of the unit.
    Attached Images

  7. #7

    Re: Sun Tachometers

    I will see if I can get a look at mine this weekend. I may be able to look without unscrewing the panel that has about 20 screws. I want one just need to verify it will be the correct one.

  8. #8

    Re: Sun Tachometers

    Okay, just let me know. There is a guy on Craigslist where I also listed them who is interested but I would rather have a HOF member get them first.

  9. #9

    Re: Sun Tachometers

    Ok sounds good. I had something come up at work and have to go to an unplanned event tomorrow but should be able to check by Sunday pm for sure. I only need one so if the Craigslist dude needs one thats fine. If the craigslist dude needs a 4000 rpm that wont work with Detroits (I think it is for something with 4000 max but different communications) I would swap or sell as well. The one I bought was brand new old stock but does not talk to my senders.

  10. #10

    Re: Sun Tachometers

    0-4000 would most likely be for diesels- gas engines would have a higher rev limit.

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