CATERPILLAR, 6331743 Thumb, 312 LINKAGE 5-TINE 24.3" PRO SERIES THUMB TO WORK WITH QC & 36" GDCBKT PN#396-4832 or 48" GDCBKT PN#396-74834, INCLUDES BALL VALVE LINES AND BRACKET, Attachment, Serial Number: THD06188