Hi John,
here is a scan for J series D2 tool kit, sorry I do not have Parts Books for your other models, maybe someone else can help out.
Cheers,
Eddie B.
AgMike is a Cat wrench guru, he post here from time to time.
Pictures and Part Numbers for common use tools can usually be found at the back of the Parts Manuals. Here is the 7J & 2T items and the early 7M (later sr. no. slightly different)
Specialty service tools can be found in the various editions of the "Service Tool Catalog"