AT217077 pin Fits John Deere 400LC, 450LC, 992ELC, EX400H, EX45&One New Aftermarket Replacement Pin (Bucket to Dipper Arm) Fits John Deere Hitachi Excavators This is an aftermarket replacement bucket to dipper arm pin Fits John Deere (Fits John Deere Hitachi) large excavators. The pin connects the bucket linkage to the dipper arm, a critical pivot point subject to heavy wear during digging cycles. Replacing a worn or damaged AT217077 pin restores proper bucket alignment and prevents accelerated wear to surrounding