Broadcast sheet info

16100424056443872763837203964433.jpg 16100425154995873758621225059935.jpg Thanks for the replies!
Here is some more info.
The first picture shows axle code D53 which I believe means 3.23:1 gear ratio and just left of that is a one in the box under D91 S/G that i assume is a Sure Grip code.
The second picture shows the other axle code. It is hard to read, but I think it says 019.