| Узел | Модель |
| (8-18) - BACKFILL BLADE SUPPLY AND RETURN LINES - CONTROL VALVE AND MOUNTING | (360) - CASE TRENCHER (1/86-12/04) |
| (08-004) - BASIC HYDRAULIC CIRCUIT, MODELS WITH ELECTRONIC STEERING, PRIOR TO P.I.N. JAF0003171 | (760) - CASE TRENCHER (1/00-12/04) |
| (08-008) - BASIC HYDRAULIC CIRCUIT, MODELS WITH ELECTRONIC STEERING, P.I.N. JAF0003171 AND AFTER | (760) - CASE TRENCHER (1/00-12/04) |
| (08-014) - BASIC HYD. CIRCUIT, PRIORITY VALVE OUT, MODELS W/O ELECTRONIC STEERING, PRIOR TO P.I.N. JAF0003171 | (760) - CASE TRENCHER (1/00-12/04) |
| (08-024) - BASIC HYDRAULIC CIRCUIT, RETURN FILTERS AND LINES | (760) - CASE TRENCHER (1/00-12/04) |
| (5-112) - BASIC STEERING HYDRAULIC CIRCUIT | (DH4B) - CASE TRENCHER (1/79-12/91) |
| (6-144) - GROUND DRIVE HYDRAULIC SYSTEM | (DH4B) - CASE TRENCHER (1/79-12/91) |
| (8-216) - REAR MOUNTED TRENCHER DRIVE HYDRAULIC CIRCUIT | (DH4B) - CASE TRENCHER (1/79-12/91) |
| (6-090) - GROUND DRIVE HYDRAULIC SYSTEM | (CASE) - MAXI-SNEAKER CABLE LAYER (1/83-12/86) |
| (8-04) - BASIC HYDRAULIC CIRCUIT, RESERVOIR TO PUMP AND VALVE | (CASE) - SERIES-B MAXI-SNEAKER CABLE LAYER (1/79-12/86) |
| (8-06) - BASIC HYDRAULIC CIRCUIT, OIL COOLER AND FILTER | (CASE) - SERIES-B MAXI-SNEAKER CABLE LAYER (1/79-12/86) |
| (06-002) - GROUND DRIVE HYDRAULIC CIRCUIT | (MAXI-SNEAKER) - SERIES-C TRENCHER (1/93-12/99) |
| (6-02) - GROUND DRIVE HYDRAULIC CIRCUIT, USED ON MODELS PRIOR TO P.I.N. 1214519 | (MAXI-SNEAKER C) - 25+4XP TRENCHER (1/90-12/92) |
| (6-04) - GROUND DRIVE HYDRAULIC CIRCUIT, P.I.N. 1214519 AND AFTER | (MAXI-SNEAKER C) - 25+4XP TRENCHER (1/90-12/92) |