where can I find dozer configuration #

Look on the R.H.side on back of blade. The parts book for a D3B will have all all the info under hydraulic system or implements.
Or call Cat dealer with serial # ,they can tell you.
Bob

thanks guys, the D3B has the standard 6 way blade. The parts guy I am dealing with is no help unless I have the part # ready for him before I call. I need to get a parts manual for the machine .

I suppose the D3B parts manual may be different but I have the manuals for the D3 79U and only the controls are covered...no implements.

Did you check your blade for a #? May be a 85u #.
Each cyl. should have a group # on it.
If you are dealing with a Cat parts man you need to talk to the store manager.
Bob

When you figure it out don't buy from Cat if that's the way they treat you. Try this source:
http://www.baumhydraulics.com/files/catalog/sec-y.pdf

jbeam-- i have a d3b--27y03729 with the 6 way blade. I have a parts manual and also have access to an online parts manual at my cat dealers website.
the id tag on the machine also has the arrangement numbers but i have never had to use them
I have ordered the front seals but haven't installed them yet
6j9733
4j8979
5j8150
2h3931
4j9224
most of these part #'s have been replaced with new #'s