| Узел | Модель |
| (24) - HYDRAULIC LINES - BOOM & TILT CIRCUIT, (UP TO SPEC. #P16WS04, P16FG05, P16FD06) | (1000) - DAVIS TASKFORCE SUPER TRENCHER (1/72-12/81) |
| (38) - HYDRAULIC SYSTEM, LINE LAYER LIFT, WITH BACKFILL BLADE | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (40) - HYDRAULIC SYSTEM, LINE LAYER LIFT, WITHOUT BACKFILL BLADE | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (38) - HYDRAULIC SYSTEM, LINE LAYER LIFT, WITH BACKFILL BLADE | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (40) - HYDRAULIC SYSTEM, LINE LAYER LIFT, WITHOUT BACKFILL BLADE | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (3-04) - PLOW LIFT HYDRAULIC SYSTEM | (DH4) - CASE TRENCHER W/1.8L DIESEL ENGINE (1/79-12/88) |
| (3-09A) - REEL CARRIER LIFT HYDRAULIC SYSTEM | (DH4) - CASE TRENCHER W/1.8L DIESEL ENGINE (1/79-12/88) |
| (3-06) - PLOW LIFT HYDRAULIC SYSTEM | (DH4) - CASE TRENCHER W/2.1L ENGINE (1/79-12/88) |
| (3-12) - REEL CARRIER LIFT HYDRAULIC SYSTEM | (DH4) - CASE TRENCHER W/2.1L ENGINE (1/79-12/88) |
| (3-06) - PLOW LIFT HYDRAULIC SYSTEM | (DH4B) - CASE TRENCHER W/2.1L ENGINE (1/79-12/91) |
| (3-12) - REEL CARRIER LIFT HYDRAULIC SYSTEM | (DH4B) - CASE TRENCHER W/2.1L ENGINE (1/79-12/91) |
| (3-06) - PLOW LIFT HYDRAULIC SYSTEM | (DH5) - CASE TRENCHER (S/N 1187961 & AFTER) (1/80-12/86) |
| (3-14) - REEL CARRIER LIFT HYDRAULIC SYSTEM | (DH5) - CASE TRENCHER (S/N 1187961 & AFTER) (1/80-12/86) |