Auxiliary mounting pad
3=A aux alt brkt loc
4=B aux alt brkt loc
A-SAE A 9T SPLINE
A=A aux
AB:AX MTG A FLG- CW W/CVR, 9T
B=B aux
BB:AX MTG B-B FLG,CW W/CVR,15T
BC:AX MTG B FLG- CW W/CVR, 13T
BG:AX MTG B FLG, W/CVR TWIN
C-NONE
C=N/A
CD:AX MTG C FLG -CW W/CVR, 14T
NN:AX MTG FLG-NONE