Even though I've rebuilt several car 727's I have never seen a short shaft 727 but I hear they exist. I asume they were used in motorhomes or 4wd. Trucks. It's probably not usable in a car since you'd have to do several mods to make it work but if it is a motorhome or truck trans. it probably has some heavy duty components. The main case and clutch drums and such should be interchangeable to a car trans. so it's a keeper for good parts I'd say. More than likely you could swap the output shaft and tailhousing from a long shaft onto it to use it in a car also.