I'm not a mechanic / technician but the transmission for a 4x4 has a different tailpiece on it so the transfer case can be bolted to it
Yes, any tractor drivetrain will do
ATF
For a 1994 Ford Ranger, the manufacturer's recommendation is DEXRON-MERCON automatic transmission fluid.
No
For a 1994 Ford Ranger ( for North America ) The 5 speed manual transmission takes : ( 2.8 U.S. quarts of MERCON automatic transmission fluid )
yes
it is a manual 5 speed tranny.
For your manual transmission , I believe it is on the drivers side
can you use a transmission from a 1993 ford ranger in a 2000 ford ranger?
No
On a 1994 Ford Ranger : The 5 speed manual transmission takes ( 2.8 U.S. quarts of MERCON automatic transmission fluid ) ( transmission code " M " / Mazda )