What magnakansas said.
Only engines I know that didn't turn clockwise when running were installed in pairs on boats and airplanes.
The reason you have cw and ccw pumps is dependent on the number of gears installed in the gear train. The 6bt and dt360 both have 3 gears which gives a cw turning pump. Was your dt466 an ngd model? I think DT466ngd has a high pump mount with 4 gears which gives a ccw turning pump, where as the normal dt466 with the low pump only had 3. But it's been a bit since I've dealt with any of this, so my memory might be hazy. Can't run a ccw pump in place of a cw pump because the cam lobe order will be wrong, giving you the wrong firing order. I also think the lobes aren't symmetrical either, so I don't know that I would even try.
I know some pump models had interchangeable cams based off of cw and ccw rotation. I'm not familiar enough with them to know which models do and don't. Talk to a pump shop and see what they say.
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