I have two 4-ton Walker floor jacks, one a 784 and the other an 884. Externally, they look identical. Does anyone know over what years they were originally manufactured?
I am overhauling a Walker 884 Series C floor jack. The power pump on mine is different from what is shown on the 884 drawing on the diagram on the HCRC website (attached). See attached pictures. There was a plastic washer and a rubber o-ring that were in the bottom of the power pump bore in...