| Узел | Модель |
| (14) - HYDRAULIC SYSTEM, P.T.O., OIL COOLER, BOOM AND STEERING CIRCUITS | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (15A) - HYDRAULIC SYSTEM, P.T.O., OIL COOLER, BOOM AND STEERING CIRCUITS | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (36) - HYDRAULIC SYSTEM, ANGLE DOZER, ANGLE CYLINDER ASSEMBLY | (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) |
| (14) - HYDRAULIC SYSTEM, P.T.O., OIL COOLER, BOOM AND STEERING CIRCUITS | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (15A) - HYDRAULIC SYSTEM, P.T.O., OIL COOLER, BOOM AND STEERING CIRCUITS | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (36) - HYDRAULIC SYSTEM, ANGLE DOZER, ANGLE CYLINDER ASSEMBLY | (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) |
| (324) - LINE LAYER HYDRAULIC SUCTION AND RETURN CIRCUIT | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (324) - LINE LAYER HYDRAULIC SUCTION AND RETURN CIRCUIT | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |