Rear cover stays on, bolts need to be just long enough to cover the extra thickness of the mount plate. What ever you do, DO NOT use bolts that are TOO LONG!!! Measure the depth of the holes to be sure . Bolts that are too long, will break then thread pad off the inside of the gear case.
The mule drive will look almost like the front part of your mower mule drive. The pulleys will not be angled is all.
You can find a parts list here
http://www.cubcadet.com/webapp/wcs/s...4101&langId=-1