Caterpillar 92 U series 3406A in 1978 KW W900A...p/s conversion question.

Been a while since appearing here...once in a while I have a moment to myself to surface.

I'm fully involved in the project of converting my manual steering to hydraulic power steering today. I've got everything (so I thought,) except for the adapter plate that the Vickers hydraulic pump splined shaft goes into to be driven.

I have 2 of these trucks, both 78's, both A model Cat's...but my other one has a conical gear on the air compressor that has this plate bolted to. My existing one I'm...

Caterpillar 92 U series 3406A in 1978 KW W900A...p/s conversion question.

Caterpillar 92 U series 3406A in 1978 KW W900A...p/s conversion question.