Telehandler fork shaft / bar / pin material?
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  1. #1
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    Default Telehandler fork shaft / bar / pin material?

    Hi Guys,

    I have a telehandler that has a bent fork shaft. The big 'ol pin the forks slide side to side on. It's 2-1/4" diameter by 76" long.

    Part is available from the OEM at a high price. Like multiple times the cost of a stressproof bar. And from 3rd party places (Arrow) for also expensive. And I suspect it is just plain A-36 or 1018.

    Thoughts?

    Thanks

    -Jim

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    Not hard to calculate the bending stress with max load and the forks in least favorable position on the rod....before you decide Stressproof is good enough. A lot of steel companies sell better than stressproof, 4150HT TGP or something similar.

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    Lifting gear is always expensive ,supposedly because of the responsibility the manufacturer assumes,but more likely ,because they can charge for it...........I suspect the bar is a medium carbon steel in a spring temper,and yes ,I ve seen plenty of them bent ,and straightened plenty too......best to do a crack test/diecheck after straightening.

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    IMO that pin is not 1018. Use a pre heat treated material at a minimum.

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    I did some calling and the company that manufacturers the OEM part said it is just 1045 steel.

    Buying it through their distribution versus the OEM's distribution makes it a $246.00 + $117.60 shipping part instead the OEM's $727.16 + ? shipping part.

    My steel supplier quoted $233.25 for a 20' stick of 1045 with free shipping. I think I can cut it to length and drill two holes and get 13 feet of "free" steel.

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    You can get 1045,but is it heat treated?.....not normally......you may be much better getting a piece of 4140 HT,as I suspect the price will be similar.....My Hyster has a similar slide bar ,with the usual complement of bends ,and someday,I will remove it ,and straighten it in a press.....But not today.

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    Thanks for the update with OEM specs.


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