Parts Lists & Manuals Parts Lists & Manuals 48″ Core Drill Rig Operators Manual 36″ & 48″ Operators Manual Parts Lists CDR48 10/16 Starting Serial#(161010271) CDR48 04/13 Starting Serial#(130410266) CDR48 02/12 Starting Serial#(120210262) CDR48 06/10 Starting Serial#(100610001) COREDRILL-48 11/08, Nov2008