| Узел | Модель |
| (22) - SD-70 SUPPLY & RETURN HYDRAULIC LINES | (SD-70) - BACKHOE (1/80-12/88) |
| (08-018) - BASIC HYD. CIRCUIT, POWER BEYOND CIRCUIT, MODELS W/ REAR AUXILIARY HYD., PRIOR TO PIN JAF0003171 | (760) - CASE TRENCHER (1/00-12/04) |
| (08-020) - BASIC HYD. CIRCUIT, PRIORITY VALVE OUT, MODELS W/O ELECTRONIC STEERING, P.I.N. JAF0003171 AND AFTER | (760) - CASE TRENCHER (1/00-12/04) |
| (170) - STEERING & EQUIP. PUMP HYDRAULIC CIRCUIT, USED ON 30+4 S/N AND AFTER, ON 40+4 S/N 1140505 AND AFTER | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (174) - STEERING AND EQUIPMENT PUMP HYDRAULIC CIRCUIT, USED ON 30+4 SPECIAL SERIAL NUMBER 1140302 AND AFTER | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (2-16) - TRENCHER DRIVE HYDRAULIC SYSTEM - REAR MOUNTED | (DH5) - CASE TRENCHER (S/N 1187961 & AFTER) (1/80-12/86) |
| (2-18) - TRENCHER DRIVE HYDRAULIC SYSTEM- FRONT MOUNTED WITHOUT PLOW | (DH5) - CASE TRENCHER (S/N 1187961 & AFTER) (1/80-12/86) |
| (2-20) - TRENCHER DRIVE HYDRAULIC SYSTEM -, FRONT MOUNTED WITH PLOW | (DH5) - CASE TRENCHER (S/N 1187961 & AFTER) (1/80-12/86) |
| (3-10) - PLOW DRIVE HYDRAULIC SYSTEM - WITH TRENCHER | (DH5) - CASE TRENCHER (S/N 1187961 & AFTER) (1/80-12/86) |
| (8-06) - BASIC HYDRAULIC CIRCUIT, OIL COOLER AND FILTER | (CASE) - SERIES-B MAXI-SNEAKER CABLE LAYER (1/79-12/86) |
| (8-24) - BACKHOE HYDRAULIC SUPPLY AND RETURN LINES, USED ON MODELS WITH SD-70 BACKHOE | (MAXI-SNEAKER C) - 25+4XP TRENCHER (1/90-12/92) |