| Item | Part No. | Part Name | Qty | Serial No. |
| 421-01-A1010 | ENGINE AND ACCESSORIES | | |
| 1 | 421-01-A1114 | ENGINE ASSEMBLY | | |
| 2 | | CLEANER ASSEMBLY, AIR (SEE PG 01-010) | | |
| 3 | | CONNECTIONS, AIR CLEANER (SEE PG 01-008) | | |
| 4 | 421-01-A1140 | FAN, ENGINE BLOWER | | |
| 5 | 1208 400 H1 | SPACER, FAN PILOT | | |
| 6 | 25 684 R1 | BOLT - 3/8-16NC X 5-1/2 IN | | |
| 7 | | MOTOR ASSEMBLY, CRANKING (SEE PG 01-014) | | |
| N/I | 01010-81650 | BOLT | | |
| N/I | 01643-31645 | WASHER | | |
| 8 | | ALTERNATOR ASSEMBLY (SEE PG 01-020) | | |
| N/I | 01643-31032 | WASHER | | |
| 9 | | MUFFLER, EXHAUST (SEE PG 01-012) | | |
| 10 | 421-01-A1260 | BRACKET, FILTER MOUNTING | | |
| N/I | 01010-81230 | BOLT | | |
| N/I | 01643-31232 | WASHER | | |
| N/I | 01010-81035 | BOLT | | |
| N/I | 01643-31032 | WASHER | | |
| N/I | 25 553 R1 | WASHER, FLAT - 3/8 IN. ID | | |
| N/I | 01580-01008 | NUT | | |
| N/I | 24 840 R1 | BOLT - 3/8-16NC X 1 IN | | |
| N/I | 25 534 R1 | WASHER, FLAT - 3/8 IN. ID | | |
| 11 | 421-01-A1170 | RELAY, STARTER DISABLE | | |
| 12 | 421-06-A1170 | BRACKET, RELAY MOUNTING | | |
| N/I | 01435-00816 | BOLT | | |
| 13 | 206-01-A1140 | SENSOR ASSEMBLY, ENGINE OIL LEVEL | | |
| 206-01-A1160 | SENSOR, ENGINE OIL LEVEL | | |
| 1209 470 H1 | CONNECTOR, MALE | | |
| 1209 477 H1 | SEAL, TERMINAL | | |
| 1209 466 H1 | TERMINAL | | |
| 14 | 206-01-A1150 | SWITCH, ENGINE OIL PRESSURE | | |
| 15 | 444 024 | BUSHING, REDUCER | | |
| 16 | 206-01-A1130 | SENSOR, ENGINE COOLANT TEMPERATURE | | |
| 17 | | GOVERNOR ASSEMBLY, AIR (SEE PG 03-070) | | |
| N/I | 25 236 R1 | BOLT - 5/16-18NC X 3 IN | | |
| N/I | 120 214 | WASHER, LOCK - 5/16 IN. ID | | |
| N/I | 25 533 R1 | WASHER, FLAT - 5/16 IN. ID | | |
| 18 | 421-01-A1290 | GASKET, GOVERNOR MOUNTING | | |
| | | | |
| | F1 - FOR SERVICE PARTS, SEE SECTION E. | | |
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| | F2 - REFERENCE PARTS AND SERVICE NEWS A925001. | | |
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