HELP! What is this and what does it do

Discussion in 'Trucks [ Eighteen Wheelers ]' started by SommersOutWest, Dec 26, 2015.

  1. blairandgretchen

    blairandgretchen Road Train Member

    13,212
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    Dec 9, 2011
    South west Missouri
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    I'm pretty sure it's a Hammerfore . . .
     
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  3. SommersOutWest

    SommersOutWest Bobtail Member

    9
    4
    Dec 26, 2015
    0

    About 4 pounds...............
     
  4. bowtieboy77

    bowtieboy77 Light Load Member

    274
    82
    Aug 16, 2013
    Southern, Ontario
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    I have seen one of these on my old bosses mack highway tractor. He removed it as he was going through a lot of oil. It was working fine always keeping oil on full mark. Problem was all engines find there "happy oil level" in the case of his mack if the oil level was at half way point it wouldn't use or leak any between services. Keep it on the full mark and he had to add oil often to get it back on full. Its strange but I have seen this quite often before on other engines.
     
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