Input shaft/auxiliary drive

A-13T 16/32 P / NONE
A=13T 16/32-w/o aux
B=13T 16/32-w/9T A-pad
D=13T 16/32-w/13T B-pad
G-15T 16/32 P / NONE
G=15T 16/32-w/o aux
H=15T 16/32-w/9T A-pad
J=15T 16/32 -w/11T A-pad
K=15T 16/32-w/13T B-pad
Y-STRAIGHT KEY .875 DIA / NONE