| Узел | Модель |
| (10) - DEPTH CONTROL ASSEMBLY, EXTERNAL | (DOT 17) - CASE DISK HARROW (1/79-12/80) |
| (11C) - DEPTH CONTROL ASSEMBLY, AUTOMATIC | (DOT 17) - CASE DISK HARROW (1/79-12/80) |
| (12) - T56444 CYLINDER | (DOT 17) - CASE DISK HARROW (1/79-12/80) |
| (18) - DEPTH CONTROL ASSEMBLY, EXTERNAL | (DOT 23) - CASE DISK HARROW (1/79-12/80) |
| (19A) - DEPTH CONTROL ASSEMBLY, INTERNAL | (DOT 23) - CASE DISK HARROW (1/79-12/80) |
| (19C) - DEPTH CONTROL ASSEMBLY, AUTOMATIC SERIAL NUMBER 1639089 - 1639093, SERIAL NUMBER 1639097 -1639101 | (DOT 23) - CASE DISK HARROW (1/79-12/80) |
| (22) - T56444 CYLINDER | (DOT 23) - CASE DISK HARROW (1/79-12/80) |
| (026) - DEPTH CONTROL ASSEMBLY - EXTERNAL | (RP) - CASE DISK HARROW (1/83-12/98) |
| (028) - DEPTH CONTROL ASSEMBLY - INTERNAL | (RP) - CASE DISK HARROW (1/83-12/98) |
| (030) - DEPTH CONTROL ASSY - AUTOMATIC, S/N 1639032 - S/N 1639034, S/N 1639041 - S/N 1639044, S/N 1639050 | (RP) - CASE DISK HARROW (1/83-12/98) |
| (036) - T56444 CYLINDER 4 X 8 INCH (101.6 X 203.2 MM) | (RP) - CASE DISK HARROW (1/83-12/98) |
| (026) - DEPTH CONTROL ASSEMBLY - EXTERNAL | (RPW) - CASE DISK HARROW (1/75-12/83) |
| (028) - DEPTH CONTROL ASSEMBLY - INTERNAL | (RPW) - CASE DISK HARROW (1/75-12/83) |
| (030) - DEPTH CONTROL ASSY - AUTOMATIC, S/N 1639032 - S/N 1639034, S/N 1639041 - S/N 1639044, S/N 1639050 | (RPW) - CASE DISK HARROW (1/75-12/83) |
| (036) - T56444 CYLINDER 4 X 8 INCH (101.6 X 203.2 MM) | (RPW) - CASE DISK HARROW (1/75-12/83) |
| (046) - DEPTH CONTROL ASSEMBLY, 17, 20 AND 23 FOOT (5.2, 6.1 AND 7.0 M) | (DOT B) - CASE HARROW (1/79-12/82) |
| (054) - T56444 CYLINDER | (DOT B) - CASE HARROW (1/79-12/82) |