| Узел | Модель |
| (084) - HYDROSTATIC PROPULSION SUCTION AND DRAIN CIRCUIT, USED BEFORE 30+4 S/N 4790 AND BEFORE 40+4 S/N 3600 | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (086) - HYDROSTATIC PROPULSION SUCTION AND DRAIN CIRCUIT, USED ON 30+4 SERIAL NUMBER 4790 TO 5210 | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (328) - LINE LAYER HYDRAULIC SUCTION AND RETURN CIRCUIT, USED BEFORE 30+4 SPECIAL SERIAL NUMBER 3751 | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (330) - LINE LAYER HYDRAULIC SUCTION AND RETURN CIRCUIT, USED ON 30+4 SPECIAL SERIAL NUMBER 3751 TO 3761 | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (332) - LINE LAYER HYDRAULIC SUCTION AND RETURN CIRCUIT, USED ON 30+4 SPECIAL SERIAL NUMBER 3761 AND AFTER | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (390) - HYDRA-BORER PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED BEFORE 30+4 SPECIAL SERIAL NO. 3761 | (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) |
| (444) - BACKHOE PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED BEFORE 30+4 SPECIAL SERIAL NUMBER 3761 | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (446) - BACKHOE PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED ON 30+4 SPECIAL SERIAL NO. 3761 AND AFTER | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (448) - BACKHOE PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED ON 30+4 SPECIAL SERIAL NO. 3761 AND AFTER | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (084) - HYDROSTATIC PROPULSION SUCTION AND DRAIN CIRCUIT, USED BEFORE 30+4 S/N 4790 AND BEFORE 40+4 S/N 3600 | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (328) - LINE LAYER HYDRAULIC SUCTION AND RETURN CIRCUIT, USED BEFORE 30+4 SPECIAL SERIAL NUMBER 3751 | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (330) - LINE LAYER HYDRAULIC SUCTION AND RETURN CIRCUIT, USED ON 30+4 SPECIAL SERIAL NUMBER 3751 TO 3761 | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (332) - LINE LAYER HYDRAULIC SUCTION AND RETURN CIRCUIT, USED ON 30+4 SPECIAL SERIAL NUMBER 3761 AND AFTER | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (390) - HYDRA-BORER PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED BEFORE 30+4 SPECIAL SERIAL NO. 3761 | (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) |
| (444) - BACKHOE PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED BEFORE 30+4 SPECIAL SERIAL NUMBER 3761 | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (446) - BACKHOE PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED ON 30+4 SPECIAL SERIAL NO. 3761 AND AFTER | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (448) - BACKHOE PUMP, PRESSURE, AND RETURN HYDRAULIC CIRCUIT, USED ON 30+4 SPECIAL SERIAL NO. 3761 AND AFTER | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |