560 rod bearings

cory s

New User
have a 560 gas with 60 under rod bearings and was wondering if anyone knew a place to get these yet? so far everyone has told me they have been discontinued
 

0.060" under?? WOW!! Most machine shops refuse to go any smaller than 0.010" under. Do yourself, and your tractor a BIG favor and find a much better crankshaft.
 
well thanks for the help so far, but they did offer 60 under at one time and yes i know that is very odd but i am trying to save some money because there is nothing wrong with the crank. just thought someone might know of some new ones sitting on a shelf somewhere. I would never turn one to 60 either but if your machine shop wont go farther then ten you might wana send those cranks my way
 
(quoted from post at 16:12:25 01/25/11) well thanks for the help so far, but they did offer 60 under at one time and yes i know that is very odd but i am trying to save some money because there is nothing wrong with the crank. just thought someone might know of some new ones sitting on a shelf somewhere. I would never turn one to 60 either but if your machine shop wont go farther then ten you might wana send those cranks my way

Any crankshaft that has been turned 0.060" undersized is NOT a good crankshaft, and ANY machine shop that would do such a thing is NOT a reputable shop. You really do need to find a better crankshaft.
 
You could have them custom made as you probably know. Far as undersizes go, IH always ground their exchange shafts to .030 under on the gasoline engines although they offered the .010 and .020 bearings also. Some repair shops won't use any ground shafts, others use many different sizes. It is what you are comfortable with and have had experience with. And of course there are some shafts you just don't grind at all depending on material and hardening process they were mfg to.
 
HELLO-I WORK AT A MACHINE SHOP AND WE GRIND CRANKS,DO BLOCKS,HEADS,RODS,ETC.I WILL GLADLY CHECK MY SOURCES.I'LL GET BACK SOON.

TOMATO FRANK
 

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