When offroad, my 2.5 CRD manual pulls along at 3mph in 1st, 4lo with no throttle. I've never tried to stall it, but it will! You can start up the Jeep in 1st or reverse in 4lo with no clutch and your Jeep will set off quite happily.
In 2hi, I use it in 3rd with no throttle over severe speed...