Originally Posted by Redrocket
other way is if its got a cast iron case it takes gear oil....
If it has a Allumimum case it takes atf.
If its a Mitzubishi tranny it takes gear oil. And the Mitzu's are cast aluminum. So if your Ranger is from 85-92, there is a good chance it has it.
All other manual Rangers had the M5OD. This takes ATF fluid, and always has.