Transfer Case ID?

[Tony Smith]

Also the the 2 speed cases used by Ford and Chev, while having the same internals, are different on the outside.

Ford cases have a bracket for the shifter that bolts to the side of the case, keeping the shifter in close relationship to the shift rails, and therefore less likely to "Pop" out of high or low range. There is, however noticeable movement inside the cab of the lever.

Chev cases have the shift lever fixed to the cab floor and a flexible linkage to the shift rails. With heavy body flexing in rougher terrain, this can cause popping out of gear, but no movement of the lever inside the cab.

And there are also 2 versions of each of the single speed cases and the 2 speed cases, with different capacities of oil.

I have never seen a model number reference for any of the CMP transfer cases.