The 4B7617 is used in conjunction with 4B7618. They are used for fuel injection pump lifter adjustment on engines with forged body fuel injection pumps. Lifter height is set with the 4B7617 (fits over the yoke) and the lock nut is tightened with the 4B7618.
u b the man om! google posters say something about it being a battery wrench. what vintage is it?
Our channel highlights machines from the earliest Holt and Best track-type tractors, equipment from the start of Caterpillar in 1925, up to units built in the mid-1960s.
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