mains bearing failure on cat 3406 engine

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i am running a cat 3406 engine on a peterbilt and recently i got a high oil temperature reading and low oil pressure reading a few minutes later the engine stalled on opening it up 5 main bearing had turned with the crankshaft. what could have caused this as engine temp reading was normal please help.....

10/2/071:05 PM

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micbialMember

Has the oil pump been checked yet? Sounds like it failed and the bearings seized due to lack of lubrication.

10/2/077:52 PM

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kukuMember

mechanics are saying oil pump is okay but they are not giving me a definite answer now i am afraid if i replace the bearing and crankshaft there will be a repeat of the same problem.

10/3/079:51 PM

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