| Узел | Модель |
| (028) - CYLINDER BLOCK, 504BDT DIESEL ENGINE, 1ST USED TRAC. SER. NO 2556252 | (1450) - CASE CRAWLER TRACTOR (1/73-12/80) |
| (030) - CYLINDER BLOCK, 504BDT DIESEL ENGINE, USED PRIOR TO ENG. SER NO. 2556252 | (1450) - CASE CRAWLER TRACTOR (1/73-12/80) |
| (2-26) - CYLINDER BLOCK, 504BDT DIESEL ENGINE, PRIOR TO ENGINE SERIAL NO 10335337 | (1450B) - CASE CRAWLER TRACTOR (1/80-12/87) |
| (2-26) - CYLINDER BLOCK, 504BDT DIESEL ENGINE, PRIOR TO ENGINE SERIAL NO 10335337 | (1455B) - CASE CRAWLER TRACTOR (1/80-12/87) |
| (016) - CYLINDER BLOCK, (504BDT) DIESEL ENGINE, 1ST USED ENGINE SERIAL NUMBER 2556252 | (980) - CASE CRAWLER EXCAVATOR (1/73-12/80) |
| (017A) - CYLINDER BLOCK, (504BDT) DIESEL ENGINE,USED PRIOR TO ENGINE SERIAL NO. 2556252 | (980) - CASE CRAWLER EXCAVATOR (1/73-12/80) |
| (020) - CYLINDER BLOCK, 504BDT DIESEL ENGINE, BLOCK HEATER | (980B) - CASE CRAWLER EXCAVATOR (S/N 6203751 & AFTER) (1/76-12/81) |
| (016) - CYLINDER BLOCK ASSEMBLY, (504B) DIESEL ENGINE | (W24) - CASE ARTICULATED WHEEL LOADER (1/69-12/72) |
| (026) - CYLINDER BLOCK ASSEMBLY, (504BDT) DIESEL ENGINE, THICK DECK BLOCK, 1ST USED ENG. SER. NO. 2556252 | (W26B) - CASE ARTICULATED WHEEL LOADER (1/70-12/76) |