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Cat Man
Cat Man, Caterpillar Engine Expert
Category: Heavy Equipment
Satisfied Customers: 8726
Experience:  23 Years Caterpillar Engine experience.
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Cat Generator powered..getting fuel..Ran fine at shutdown, no faults.

Resolved Question:

I have a Cat Generator powered by a 3412. Will not start, code 566, 7. Seems to not be getting fuel. Ran fine at shutdown, no faults.
Submitted: 5 years ago.
Category: Heavy Equipment
Expert:  Cat Man replied 5 years ago.

Hi. Thanks for using JA! I will try and help you out.


Sorry for the delay.


Could you get me the engine serial number please?

Customer: replied 5 years ago.



Family 5CPXL27 0MRS

Expert:  Cat Man replied 5 years ago.

Thanks for the information.



Is this engine a 3412C or 3412E?


When I used the serial number you gave me, it showed both.



Customer: replied 5 years ago.
Expert:  Cat Man replied 5 years ago.

Thanks for the informtion.


It appears that the code 566-7 is indicating why the engine is not starting. Here is some information on that particular code.



Please let me know if you need more help.


Cat Man and 2 other Heavy Equipment Specialists are ready to help you