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D4 7u. Crank and rod bearings. D315 engine

D4 7u. Crank and rod bearings. D315 engine

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Kruppguy
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Hi there , I am rebuilding a d315 and are looking for a reliable supply of bearing shells, I need to get the crank ground but shell availability in oversizes seems patchy, I would like to do a 10 thou grind and agkits seem to have shells but I Am based in New Zealand , does anybody have reccomendations on other outfits who can supply..

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Sat, Aug 15, 2026 9:05 PM
neil
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Hi, I'm also from NZ (but live in the US). I had the same challenge with my D311. For the two journals I couldn't find oversize for I just had spray welded back to std. because there is a ready supply of standard size shells. Something to consider? If so, Cat still had them as of 2016 when I bought mine

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Sat, Aug 15, 2026 9:36 PM
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