| Узел | Модель |
| (32) - HYDRA-BORING ATTACHMENT | (30) - DAVIS FLEETHOE TRENCHER (1/70-12/80) |
| (78) - HYDRA-BORER ATTACHMENT | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (12) - HYD SYS, LINE-LAYER MOTOR CIRCUIT, LINE-LAYER LIFT & STEERING CIRCUIT (UP TO S/N 1107194) | (N63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/88) |
| (44) - HYDRA-BORE ATTACHMENT | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (78) - HYDRA-BORER ATTACHMENT | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (44) - HYDRA-BORE ATTACHMENT | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (12) - HYD SYS, LINE-LAYER MOTOR CIRCUIT, LINE-LAYER LIFT & STEERING CIRCUIT (UP TO S/N 1107194) | (P63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/88) |
| (12) - HYD SYS, LINE-LAYER MOTOR CIRCUIT, LINE-LAYER LIFT & STEERING CIRCUIT (UP TO S/N 1107194) | (T63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/86) |
| (384) - HYDRA-BORER PRESSURE AND RETURN HYDRAULIC CIRCUIT, USES W/O LINE LAYER AND W/O BACKFILL BLADE | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (396) - HYDRA-BORER PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED WITHOUT LINE LAYER & WITHOUT BACKHOE | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (398) - HYDRA-BORER PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED WITHOUT LINE LAYER & WITHOUT BACKHOE | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (400) - HYDRA-BORER CONTROL VALVE HYDRAULIC CIRCUIT, USED WITH LINE LAYER AND/OR BACKFILL BLADE | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (402) - HYDRA-BORER CONTROL VALVE HYDRAULIC CIRCUIT, USED WITH H560292 FIVE SPOOL BACKHOE VALVE | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (404) - HYDRA-BORER CONTROL VALVE HYDRAULIC CIRCUIT, USED WITH H588566 FOUR SPOOL BACKHOE VALVE | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (406) - HYDRA-BORER HYDRAULIC MOTOR CIRCUIT | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (384) - HYDRA-BORER PRESSURE AND RETURN HYDRAULIC CIRCUIT, USES W/O LINE LAYER AND W/O BACKFILL BLADE | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (396) - HYDRA-BORER PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED WITHOUT LINE LAYER & WITHOUT BACKHOE | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (398) - HYDRA-BORER PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED WITHOUT LINE LAYER & WITHOUT BACKHOE | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (400) - HYDRA-BORER CONTROL VALVE HYDRAULIC CIRCUIT, USED WITH LINE LAYER AND/OR BACKFILL BLADE | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (402) - HYDRA-BORER CONTROL VALVE HYDRAULIC CIRCUIT, USED WITH H560292 FIVE SPOOL BACKHOE VALVE | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (404) - HYDRA-BORER CONTROL VALVE HYDRAULIC CIRCUIT, USED WITH H588566 FOUR SPOOL BACKHOE VALVE | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (406) - HYDRA-BORER HYDRAULIC MOTOR CIRCUIT | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |