Here is the Sierra rear beam as collected from Tiger:
Like everything else the brake drums were very rusty. In fact they were rusted on to the driveshafts. A large hub puller and generous amounts of WD-40 soon changed that. The rest of the dismantling was fairly straight forward and now I have the component parts ready for restoration. The suspension beam and drums will be discarded. All other parts were kept for re-use or reference. That said the majority of the brake components will be replaced for new items.
Here is the final drive, as well as one driveshafts with associated brake assembly: