pintle hitch rating

Discussion in 'Tanker, Bulk and Dump Trucking Forum' started by zraffz, Mar 15, 2015.

  1. zraffz

    zraffz Bobtail Member

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    Jan 23, 2015
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    How do I identify the weight capacity of a pintle hitch? I purchased a truck with a hitch on it and it isn't stamped on it... looking at other trucks, none seem to have the weight rating on them.
     
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  3. Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    Actually, that's a good question. Any pintle hook I've ever seen is pretty much identical, secured to front unit. For those reading this and don't know, a pintle hook is what the trailer attaches to, as in a transfer set-up, or, 10 wheeler pulling a heavy duty trailer etc. I've never seen small/medium/large.
     
  4. zraffz

    zraffz Bobtail Member

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    Jan 23, 2015
    New Jersey
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    But they have weight ratings. They are identical in diameter for the most part too.
     
  5. Mr.X

    Mr.X Heavy Load Member

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    I think they are rated by "category" not sure what category the pintle on the mule train is, but I know it is rated at 30 ton and will take 2" - 3" Draw bar loops.
    Probably over kill, but such is life in the woods. Wouldnt want that thing to break and fail to drag the truck down the ravine with it,lol.
    You could call a trailer outfit and find out fast to.
     
  6. GasHauler

    GasHauler Master FMCSA Interpreter

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    They should have a SWL stamped somewhere on the pintle hook. I've seen very little on the hook itself in the FMCSR but there are a few regulations. Like FMCSR §399.211 (2) (b) Pintle Hooks inspection. There it says ( 2) ( c) "Any part of the horn section reduced by more than 20%" fails the inspection. There's more inspection information about the safety chains or cables that are there in case the pintle hook fails. FMCSR §393 Subpart F - Coupling Devices and Towing Methods §393.70 (c) Towing of full trailers will only say that the hook "be structurally adequate for the weight being drawn". The next regulation talks about the safety devices in case of a tow-bar failure or disconnection. And there they only say the safety device "have an ultimate strength of not less than the gross weight of the vehicle or vehicles being towed".

    What I would do if being inspected and asked, I would say the Pintle hook is not worn and more than 20% in thickest and the safety cable exceeds the GVW of the trainer being towed. My safety cables are mounted outside of the pintle hook with enough length to allow safe turns. I don't think there's any more than that. But I've been wrong before and I could be wrong now. Any way you look at it it's a great question and if any new driver checks the information then they would see where the information is located and be better of for it. Thanks for the question.
     
  7. zraffz

    zraffz Bobtail Member

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    Jan 23, 2015
    New Jersey
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    Awesome! I have some casting numbers or a serial number I'll have to look up. I won't exceed pulling 36,000lbs between truck and trailer but I want to be positive the hitch is rated for a minimum of 20 tons.
     
  8. GasHauler

    GasHauler Master FMCSA Interpreter

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  9. zraffz

    zraffz Bobtail Member

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    Jan 23, 2015
    New Jersey
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    Punched the casting numbers in on Google. Looks like a 50 ton hitch which is more than enough for my little single axle.
     
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