Depending on which differential you have.

226RBA has limited slip but 186FBI does not.

Answered by KHLow2008 (expert)
40,318 answers provided

I have a DANA 30 in front and 35 rear I have to use 75/140 gear oil but how I khonw if I have limit slip or track-lok/ vari lok equipped axles?

Response from Edgardosilva
4 questions asked

How I know if is 186FBl or 226RBA

Response from Edgardosilva
4 questions asked

DESCRIPTION
The Rear Beam Iron (RBI) axle has a cast iron differential housing with axle shaft tubes extending from either side. The tubes are pressed into differential housing and welded. The axles are semi-floating supported by the axle shaft and bearings. The axle shafts are retained by bearing retainer plates on the axles which are bolted to flanges at the outboard end of the axle tubes.

DESCRIPTION
The Rear Beam Aluminum (RBA) axle housing has a cast aluminum center differential housing with axle shaft tubes extending from either side. The tubes are pressed into the differential housing. The axles are semi-floating supported by the axle shaft and bearings.

Answered by KHLow2008 (expert)
40,318 answers provided