Bart, you noticed that too ? That transmission isn't going to last long. They re-used pins that were loose and sloppy in the bores. Those holes were +--.0005" I'd hate to see what they did with the piston seals.
Why no oil between the discs and plate? It’s not good to start the trans with no lubrication. All bolts should be torqued to specs per Cat service manual. Not such a good job as I see it. I did this job for 35 years only a few returns.