120 - EXCAVATOR 3340 BACKHOE AND EXCAVATOR FRAMES Parts group 3340 BACKHOE AND EXCAVATOR FRAMES 3340 BACKHOE AND EXCAVATOR FRAMES . STANDARD ARM 2.52 M (8 FT 3 IN) LONG ARM 3.01 M (9 FT 11 IN) BUCKET DRIVE LINK COMPONENTS (SERIAL NUMBER XXXXXX- )