| Узел | Модель |
| (406) - CYLINDER BLOCK ASSEMBLY, (284) SPARK IGNITION ENGINE, FIRST USED ENGINE SERIAL NUMBER 2174225 | (1060) - CASE COMBINE (1/65-1/70) |
| (032) - CYLINDER BLOCK ASSEMBLY, (377) SPARK IGNITION ENGINE, FIRST USED ENGINE SERIAL NUMBER 2174169 | (930-SERIES) - CASE COMFORT KING TRACTOR (1/65-12/69) |
| (028) - CYLINDER BLOCK ASSEMBLY, MODEL 730, 251 SPARK IGNITION ENGINE, 1ST USED ENG. S/N 2174225 | (730 SERIES) - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (S/N 8253501 & AFTER) (1/65-12/69) |
| (029A) - CYLINDER BLOCK ASSEMBLY, MODEL 730, 251 SPARK IGNITION ENGINE, USED PRIOR TO ENG. S/N 2174225 | (730 SERIES) - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (S/N 8253501 & AFTER) (1/65-12/69) |
| (030) - CYLINDER BLOCK ASSEMBLY, MODEL 830, 284 SPARK IGNITION ENGINE, 1ST USED ENG S/N 2174225 | (830-SERIES) - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (S/N 8253501 & AFTER) (1/65-12/69) |
| (031A) - CYLINDER BLOCK ASSEMBLY, MODEL 830, 284 SPARK IGNITION ENGINE, USED PRIOR TO ENG. S/N 2174225 | (830-SERIES) - CASE COMFORT KING DRAFT-O-MATIC TRACTORS (S/N 8253501 & AFTER) (1/65-12/69) |