| Узел | Модель |
| (18) - HYDRAULIC LINES - PRIORITY PUMP CIRCUIT, OIL FILTERS | (1000) - DAVIS TASKFORCE SUPER TRENCHER (1/72-12/81) |
| (24) - BASIC HYDRAULIC CIRCUIT W/O ATTACHMENTS | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (34) - PTO CIRCUIT - T-70 TRENCHER ATTACHMENT, SPEC. # 7055-3001 TO 7055-3067 | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (38) - BOOM LIFT CIRCUIT, LIFT CYLINDER & DOUBLE LOCKOUT VALVE ASSEMBLIES | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (52) - P-80 LINE-LAYER LEFT CIRCUIT, MOTOR CONTROL VALVE, & PUMP ASSEMBLIES | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (66) - STANDARD BACKFILL BLADE ATTACHMENT, CYLINDER ASSEMBLY | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (68) - HYDRAULIC BACKFILL BLADE & CYLINDER ASSEMBLIES | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (72) - BACKFILL BLADE, LIFT & ANGLE HYDRAULICS, CYLINDER ASSEMBLIES | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (14) - HYDRAULIC SYSTEM, P.T.O., OIL COOLER, BOOM AND STEERING CIRCUITS | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (48) - HYDRAULIC SYSTEM, SD 100 BACKHOE | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (24) - BASIC HYDRAULIC CIRCUIT W/O ATTACHMENTS | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (34) - PTO CIRCUIT - T-70 TRENCHER ATTACHMENT, SPEC. # 7055-3001 TO 7055-3067 | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (38) - BOOM LIFT CIRCUIT, LIFT CYLINDER & DOUBLE LOCKOUT VALVE ASSEMBLIES | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (52) - P-80 LINE-LAYER LEFT CIRCUIT, MOTOR CONTROL VALVE, & PUMP ASSEMBLIES | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (66) - STANDARD BACKFILL BLADE ATTACHMENT, CYLINDER ASSEMBLY | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (68) - HYDRAULIC BACKFILL BLADE & CYLINDER ASSEMBLIES | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (72) - BACKFILL BLADE, LIFT & ANGLE HYDRAULICS, CYLINDER ASSEMBLIES | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (14) - HYDRAULIC SYSTEM, P.T.O., OIL COOLER, BOOM AND STEERING CIRCUITS | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (48) - HYDRAULIC SYSTEM, SD 100 BACKHOE | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |