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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Re: Cat 977H Recoil Spring Bolt

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Author  [Modern View]

08-23-2013 12:41:32

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I found after market spring and bolt for my 941B on ebay. Try General gear,regal corp.,florin tractor as they have new and old Cat parts. Also i have known of guys using a high strength steel rod of the same diameter and length and having the ends threaded.

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Our Farmer

08-23-2013 13:04:57

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 Re: Cat 977H Recoil Spring Bolt in reply to dpendzic, 08-23-2013 12:41:32  
Tried all the online parts places. Just about turned over every rock on the web. No joy.
I don't know about the threaded rod idea, a lot of force in that spring. If I could find the specs for the part I would gladly pay to have one made. That thing must be minimum grade 8.8 steel.

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Stick welding

08-24-2013 09:37:22

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 Re: Cat 977H Recoil Spring Bolt in reply to Our Farmer, 08-23-2013 13:04:57  
A bolt supplier like Bowman may have the proper bolt. If they can make bolts to hold large hydraulic cylinder pistons on, it shouldn't be hard to make a bolt to hold a recoil spring on.

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08-23-2013 13:18:44

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 Re: Cat 977H Recoil Spring Bolt in reply to Our Farmer, 08-23-2013 13:04:57  
my spring took 14 ton load to compress it. The bolts that Cat used started from a high strength rod and was machined to fit. I am thinking ASTM A325 or ASTM A440 rods or something in that range-
I believe McMaster-Carr carried that type of steel rod.

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