992D - EXCAVATOR FRAMES 3340 Parts group FRAMES 3340 FRAMES 3340 . STANDARD BOOM [03D18] ARM AND BUCKET LINKAGE AND PINS (3.9 M (12 FT. 10 IN.) ARM) [03D20] ARM AND BUCKET LINKAGE AND PINS (4.9 M (16 FT 1 IN) ARM) [03D22] ARM AND BUCKET LINKAGE AND PINS (2.9M (9' 6") ARM) [03D24]