Cat Engine 3406e Fuel Base Diagram. The fuel filter base also incorporates a siphon break that prevents fuel from draining from the fuel system when the engine is not in operation. I have a 3406e 2ws13950 the oil pressure dropped to 35 psi.
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The caterpillar 3406a was introduced in 1973.
The fuel filter base also incorporates a siphon break that prevents fuel from draining from the fuel system when the engine is not in operation. Theres a small chance its the fuel tank vent tubes thats causing the problem in high dust situations the vent tubes can clog just remove the fuel tank caps and blow the vent tubes out with compressed air. In most applications fuel priming pump 7 is located on the fuel filter base. 3406a 3406b 3406c 3406e c15 8sb 7xc 4as c2a note.