I say that you need both the Gears removed to make a comparison fairly accurate, and if you also have the drive shafts and even better..
if I was sure I wrote to you go quiet!!
but no I can't be seen that one has the wheel cylinder hydraulic inside and another outside, in addition to the difference in the engagement of the drive shaft the long, the short one I don't remember to me..
"The only thing that stands between you and your goal are the********* continue to tell you why you can not reach it."