| Узел | Модель |
| (020) - SPARK IGNITION ENGINES, UNDERNEATH MUFFLER AND EXHAUST | (300B-SERIES) - CASE TRACTORS (1/58-12/59) |
| (020) - SPARK IGNITION ENGINES, UNDERNEATH MUFFLER AND EXHAUST | (400B-SERIES) - CASE DIESEL TRACTORS (1/58-12/59) |
| (022) - AIR CLEANER, MANIFOLD AND MUFFLER, PRIOR TO S/N 8262800, 430 MODEL, 148B SPARK IGNITION ENGINE | (430) - CASE AG & UTILITY TRACTOR (PRIOR TO S/N 8262800) (1/60-12/64) |
| (015) - UNDERNEATH MUFFLER AND EXHAUST, 500B SERIES AND 600B SERIES | (500B-SERIES) - CASE TRACTORS (P.I.N. 6095009 & AFTER) (1/58-12/59) |
| (015) - UNDERNEATH MUFFLER AND EXHAUST, 500B SERIES AND 600B SERIES | (600B-SERIES) - CASE TRACTORS (P.I.N. 6095009 & AFTER) (1/58-12/59) |
| (062) - UNDERNEATH MUFFLER, PRIOR TO S/N 8262800, 530 MODEL, 159 SPARK IGNITION ENGINE | (530) - CASE AG & UTILITY TRACTOR (PRIOR TO S/N 8262800) (1/60-12/64) |
| (017) - SPARK IGNITION ENGINES, UNDERNEATH MUFFLER AND EXHAUST PIPE | (300-SERIES) - CASE WHEEL TRACTORS (1/56-12/57) |