| Узел | Модель |
| (20) - ENGINE | (120) - CASE TRIMLINE TRENCHER (1/76-12/81) |
| (14) - WISCONSIN ENGINE INSTALLATION | (1000) - DAVIS TASKFORCE SUPER TRENCHER (1/72-12/81) |
| (16) - FORD ENGINE INSTALLATION | (1000) - DAVIS TASKFORCE SUPER TRENCHER (1/72-12/81) |
| (26) - PUMP DRIVE, ENGINE INSTALLATION PARTS | (DAVIS) - FLEETLINE 16+4 TRENCHER (1/76-12/82) |
| (26) - ENGINE INSTALLATION PARTS | (DAVIS) - FLEETLINE 25+4 TRENCHER (1/76-12/78) |
| (06) - HOOD, AIR CLEANER, ENGINE MOUNT - FORD ENGINES | (L55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (38) - ENGINE INSTALLATION, (UP TO SERIAL NO. 1107194) | (N63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/88) |
| (32) - WISCONSIN ENGINE MOUNTING PARTS AND ACCESSORIES, DECALS | (P42) - DAVIS FLEETLINE 30+4 SUPER TRENCHER (1/72-12/84) |
| (06) - HOOD, AIR CLEANER, ENGINE MOUNT - FORD ENGINES | (P55) - DAVIS FLEETLINE 70+4 TRENCHER (1/70-12/79) |
| (32) - WISCONSIN ENGINE MOUNTING PARTS AND ACCESSORIES, DECALS | (P57) - DAVIS FLEETLINE 40+4 SUPER TRENCHER (1/72-12/86) |
| (38) - ENGINE INSTALLATION, (UP TO SERIAL NO. 1107194) | (P63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/88) |
| (38) - ENGINE INSTALLATION, (UP TO SERIAL NO. 1107194) | (T63) - DAVIS MINI-SNEAKER CABLE LAYER (1/78-12/86) |
| (040) - BATTERY AND TRACTOR ELECTRICAL CIRCUIT, WISCONSIN GAS ENGINES, USED BEFORE S/N 1223228 ON ALL MODELS | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (042) - BATTERY AND TRACTOR ELECTRICAL CIRCUIT, WISCONSIN GAS ENGINES, USED ON 30+4 S/N 1223228 AND AFTER | (P60) - DAVIS FLEETLINE 30+4 TRENCHER (1/70-12/88) |
| (040) - BATTERY AND TRACTOR ELECTRICAL CIRCUIT, WISCONSIN GAS ENGINES, USED BEFORE S/N 1223228 ON ALL MODELS | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (042) - BATTERY AND TRACTOR ELECTRICAL CIRCUIT, WISCONSIN GAS ENGINES, USED ON 30+4 S/N 1223228 AND AFTER | (SD100) - DAVIS FLEETLINE 40+4 TRENCHER (1/70-12/86) |
| (4-08) - BATTERY, MOUNTING, AND CABLES | (MAXI-SNEAKER C) - 25+4XP TRENCHER (1/90-12/92) |
| (4-08) - BATTERY MOUNTING AND CABLES | (TF300) - CASE TRENCHER (1/70-12/00) |
| (04-01) - BATTERY CABLES | (TF300B) - CASE TRENCHER (1/01-12/01) |