| Узел | Модель |
| (60) - P-80 LINE-LAYER HYDRAULIC LINES | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (08) - HYD SYS PROPULSION CIRCUIT, OIL COOLER CIRCUIT, TANDEM PUMP CIRCUIT (UP TO S/N 1107194) | (N63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/88) |
| (14) - HYD SYS, LINE-LAYER MOTOR CIRCUIT, LINE-LAYER LIFT & STEERING CIRCUIT (SERIAL NO. 1107194 & UP) | (N63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/88) |
| (60) - P-80 LINE-LAYER HYDRAULIC LINES | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (08) - HYD SYS PROPULSION CIRCUIT, OIL COOLER CIRCUIT, TANDEM PUMP CIRCUIT (UP TO S/N 1107194) | (P63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/88) |
| (14) - HYD SYS, LINE-LAYER MOTOR CIRCUIT, LINE-LAYER LIFT & STEERING CIRCUIT (SERIAL NO. 1107194 & UP) | (P63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/88) |
| (08) - HYD SYS PROPULSION CIRCUIT, OIL COOLER CIRCUIT, TANDEM PUMP CIRCUIT (UP TO S/N 1107194) | (T63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/86) |
| (14) - HYD SYS, LINE-LAYER MOTOR CIRCUIT, LINE-LAYER LIFT & STEERING CIRCUIT (SERIAL NO. 1107194 & UP) | (T63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/86) |