Overhaul

New Model Number Old Dana Model Number

174 28
181 30
186 Super 30
194 35
198 Super 35
200 36
216 44
226 Super 44
229 50
248 60
267 70
286 80

First Letter of Suffix

F Front
R Rear

Second Letter of Suffix

B Beam
I Independent

Third Letter of Suffix

I Iron
A Aluminum

Examples:

248FBI Dana 60, Front, Beam Axle, Iron
186FIA Dana Super 30, Front, Independent, Aluminum
226RBA Dana Super 44, Rear, Beam Axle, Aluminum