| Узел | Модель |
| (20) - HYDRAULIC LINES - LARGE PUMP CIRCUIT | (1000) - DAVIS TASKFORCE SUPER TRENCHER (1/72-12/81) |
| (52) - STANDARD CONVEYOR, MOUNTING BRACKETS, HYDRAULIC LINES | (1000) - DAVIS TASKFORCE SUPER TRENCHER (1/72-12/81) |
| (56) - HIGH-CAPACITY CONVEYOR HYDRAULIC LINES, CONVEYOR GEAR CASE | (1000) - DAVIS TASKFORCE SUPER TRENCHER (1/72-12/81) |
| (60) - HYDRAULIC PUMP ASSEMBLIES | (1000) - DAVIS TASKFORCE SUPER TRENCHER (1/72-12/81) |
| (62) - LINE LAYER PUMP INSTALLATION | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (16) - HYDRAULIC SYSTEM, PROPULSION CIRCUIT, UP TO SPEC. NUMBERS P42WS19, P42HZ20, P57WS21, P57HZ22 | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (17A) - HYDRAULIC SYSTEM, PROPULSION CIRCUIT, SPEC. NUMBERS P42WS19, P42HZ20, P57WS21, P57HZ22 AND UP | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (42) - LINE-LAYER LIFT CYLINDER, SELECTOR VALVE, MOTOR CONTROL VALVE ASSEMBLIES | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (62) - LINE LAYER PUMP INSTALLATION | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (16) - HYDRAULIC SYSTEM, PROPULSION CIRCUIT, UP TO SPEC. NUMBERS P42WS19, P42HZ20, P57WS21, P57HZ22 | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (17A) - HYDRAULIC SYSTEM, PROPULSION CIRCUIT, SPEC. NUMBERS P42WS19, P42HZ20, P57WS21, P57HZ22 AND UP | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (42) - LINE-LAYER LIFT CYLINDER, SELECTOR VALVE, MOTOR CONTROL VALVE ASSEMBLIES | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |