| Узел | Модель |
| (08) - AUGER, DIGGING CHAIN DRIVE | (120) - CASE TRIMLINE TRENCHER (1/76-12/81) |
| (09-006) - DIGGING DRIVE AND AUGER | (60) - CASE TRENCHER (5/91-12/01) |
| (08) - DIGGING CHAIN DRIVE LINE | (DAVIS) - FLEETLINE 16+4 TRENCHER (1/76-12/82) |
| (11C) - EXTRA HEAVY DUTY DIGGING CHAIN DRIVE LINE | (DAVIS) - FLEETLINE 25+4 TRENCHER (1/76-12/78) |
| (24) - DIGGING CHAIN DRIVE LINE | (DAVIS) - FLEETLINE 25+4 TRENCHER (1/76-12/78) |
| (16) - AUGER, SHAFT, AND SPROCKETS | (TL200) - CASE TRENCHER (1/81-12/83) |
| (9-24) - TRENCHER BOOM MOUNTING SHAFT, SPROCKET, AND AUGER, USED ON MODELS PRIOR TO P.I.N. 1231939 | (MAXI-SNEAKER C) - 25+4XP TRENCHER (1/90-12/92) |
| (9-26) - TRENCHER BOOM MOUNTING SHAFT, SPROCKET, AND AUGER, USED ON MODELS WITH P.I.N. 1231939 AND AFTER | (MAXI-SNEAKER C) - 25+4XP TRENCHER (1/90-12/92) |
| (9-18) - TRENCHER BOOM MOUNTING SHAFT, SPROCKET, AND AUGER | (TF300) - CASE TRENCHER (1/70-12/00) |
| (9-56) - FLUSH DIGGER AUGER, CHAIN SPROCKET MOUNTING AND, DRAG SLANT | (TF300) - CASE TRENCHER (1/70-12/00) |
| (09-09) - TRENCHER BOOM MOUNTING SHAFT | (TF300B) - CASE TRENCHER (1/01-12/01) |
| (09-24) - MOUNTING AUGER, CHAIN SPROCKET AND DRAG PLATES | (TF300B) - CASE TRENCHER (1/01-12/01) |