rear differential identification

dandshon · #1 (**permalink**) 09-20-2003, 07:49 PM

Hi, i need help identifying my rear differential on a 82 F-250. The tag on the differential reads as follows; 3.54 E2TA-BKA 605040 6 L S .The tag was difficult to read , i believe i have it correctly. Thanks.

andym · #2 (**permalink**) 09-21-2003, 03:19 PM

Sounds like a Dana 60 3.54:1.

dandshon · #3 (**permalink**) 09-22-2003, 12:29 AM

thanks for the reply, but i need to know for sure in order to buy a locker. how do i tell if it's a dana 61? all i know is that it's not a 9 inch ford because the bolts are on the outside.

andym · #4 (**permalink**) 09-22-2003, 02:14 AM

It definately shouldn't be a 9", as they were only put in half ton trucks and some cars.

It's probably not going to be a Ford 10.25" because they weren't introduced until '83.

I hesitate to say for certain without seeing it, because a lot of the time you just don't know what's under these things after 20 years.

Try this link. You may find it useful.

BigFootnHawse · #5 (**permalink**) 09-22-2003, 01:31 PM

You may could try calling or emailing DynaTrac (?? spelling) with the info. They guy I dealt with was very helpful and they replied within a couple of days when I emailed.

Big Orn · #6 (**permalink**) 09-22-2003, 03:00 PM

That's a Dana 61 Full Float, 3.54 ratio according to Dana's website. But it also shows to be for the F-350 instead of an F-250.

Got info here:http://www2.dana.com/expert/wc.dll?DSD~deabill~4~

Check it out.