Kelly
you'll find this in the TM9-2520-246-34, pages 101 to 122.
Sorry, 110% came straight out of my memory but to quick! Since I wasn't totally sure I counted all teeth again: for the 3053A it's 29/42, 24/27, 27/25, 25/17, so 800 engine rpm convert to 780 PTO rear output rpm. That actually...