| Узел | Модель |
| (8-164) - QUAD HYD. CIRCUIT, UNIQUE-TO-QUAD PARTS, SEE TRENCHER OR PLOW HYD. CIRCUIT PAGES FOR COMMON PARTS | (560) - CASE TRENCHER (1/93-12/04) |
| (8-170) - TRENCHER/PLOW SELECTOR VALVE - H672979, USED ON MODELS WITH QUAD OPTION | (560) - CASE TRENCHER (1/93-12/04) |
| (9-062) - QUAD FRAME AND MOUNTING | (560) - CASE TRENCHER (1/93-12/04) |
| (8-078) - QUAD HYDRAULIC CIRCUIT, FOR QUAD WITH BOLT-ON TRENCHER FRAME | (660) - CASE TRENCHER (1/86-12/03) |
| (8-079A) - INTEGRAL QUAD HYDRAULIC CIRCUIT | (660) - CASE TRENCHER (1/86-12/03) |
| (8-080) - TRENCHER/PLOW SELECTOR VALVE - H672979, USED ON MODELS WITH QUAD OPTION | (660) - CASE TRENCHER (1/86-12/03) |
| (9-044) - QUAD FRAME AND MOUNTING | (660) - CASE TRENCHER (1/86-12/03) |
| (08-092) - STANDARD QUAD TRENCHER DRIVE HYDRAULIC CIRCUIT | (760) - CASE TRENCHER (1/00-12/04) |
| (08-094) - REVERSED QUAD TRENCHER DRIVE HYDRAULIC CIRCUIT | (760) - CASE TRENCHER (1/00-12/04) |
| (08-142) - PLOW HYDRAULIC CIRCUIT, PLOW MOTOR SUPPLY AND RETURN LINES, UNITS WITH QUAD OPTION | (760) - CASE TRENCHER (1/00-12/04) |
| (08-146) - PLOW HYDRAULIC CIRCUIT, PLOW MOTOR SUPPLY AND RETURN LINES, UNITS W/REVERSED QUAD OPTION | (760) - CASE TRENCHER (1/00-12/04) |
| (08-166) - TRENCHER/PLOW SELECTOR VALVE, USED ON MODELS WITH QUAD OPTION | (760) - CASE TRENCHER (1/00-12/04) |
| (09-054) - QUAD FRAME AND MOUNTING | (760) - CASE TRENCHER (1/00-12/04) |