Works for CAT 3406E, C-15, C-16. Function 3: Engine barring socket: Turn over engine, makes adjusting injectors and valve lash easier, it was able to pin flywheel. J-38587-A Engine Barring Socket Included 3 Tools: J-42083 Timing Pin ,9U-7227 Injector Height Tool, J-38587-A Engine Barring Socket.
