3 speed tranny's and ball bearings... NOT recommended?

[doodlebug]

Hey Travis, how's 1st gear in that tranny for tractor's & off road?
Or would adding a gru be better? Just curiuos.
Later, Neil.

[coligny]

being a synchromesh gearbox the bearings are not on the elements supposed to slide. so I don't see how steel on steel wearing of the shaft could make a problem...

So honestly... i'd battle against drivetrain drag as a first priority. As for waterproofing...be generous with the gunky silver antiwear grease between all the shelling parts...