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Hey Caterpillar guy


 
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NCWayne
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Joined: 20 Jun 2007
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PostPosted: Sun May 04, 2014 6:45 pm    Post subject: Hey Caterpillar guy Reply to specific post Reply with quote

Saw your post the other day asking for the specs on a 3306 crank. Sorry for the delayed response but I"m moving stuff from Dad"s shop to mine and things are in a bit of a mess so it took me a while to dig out one of my books. That said, here are the specs for you.
MAIN JOURNALS


3.4992 +/- .0008

For the undergrinds simply subtract .010, .020., or .030 from that. They all have the same +/- of .0008

ROD JOURNALS

2.9992 +/- .0008

Same as above subtract the standard for the undergrind and keep the same +/- tolerance

If you need it, the clearance on the actual bearings are as follows.

MAINS

New .0030 to .0066 with a max of .010

RODS

New .0030 to .0065 with a max of .010

Again sorry for the delay. Hope these help. I"ve got the book close now if you need anything else.
 
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