King Pin Lock Size

Discussion in 'Questions From New Drivers' started by CeeLo, Nov 26, 2014.

  1. CeeLo

    CeeLo Bobtail Member

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    Nov 26, 2014
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    Can someone tell me what size King Pin Lock I need. I see them for sale on eBay an most of them are 2", but I want to make sure that it's the right size before I buy it. I drive tankers and my 5th wheel is the standard size.
     
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  3. HotH2o

    HotH2o Road Train Member

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    2" is industry standard.
     
    lcfd15 Thanks this.
  4. CeeLo

    CeeLo Bobtail Member

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    Nov 26, 2014
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    Thank You. That's what I was thinking, but wanted to make sure
     
  5. STexan

    STexan Road Train Member

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    I think the 2 inch you may be seeing are for travel trailers (5th wheel style) and other "goose-neck" trailers. Seems like you would need a 3.5 inch for OTR semi-trailers
     
    HotH2o Thanks this.
  6. brian991219

    brian991219 Road Train Member

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    What ever one you buy, make sure it is steel not aluminum. I used to drive a tow truck, still do part time, and we would get calls to remove dropped trailers from truck stops and parking lots all the time, the steel ones would not come off easy but the aluminum ones just needed a few good hits with a sledge hammer and they broke right off. A good one will cost you about $35.
     
  7. HotH2o

    HotH2o Road Train Member

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    STexan is right. I don't know what the hell I was thinking. 3.5" is what you want.
     
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