CAT 3406B OR3787 cam questions - Diesel Truck Forum -
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post #1 of 1 (permalink) Old 03-28-2016, 01:48 AM Thread Starter
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CAT 3406B OR3787 cam questions

I have what appears to be an 8PN 3406B {no ID tags on the engine, it's at CAT...we've all looked} and I need to replace the cam and the part number CAT gave me was OR3787. I'm having trouble locating this cam and wondering what other cams will work with my engine.

ALSO, some real vague info online suggests this cam is to a 310HP. If that's the case is there a different cam I can use in this engine to up the power? 425 is all I need and I'm not looking to have the fastest truck on the road or melt pistons.

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