| Item | Part No. | Part Name | Qty | Serial No. |
| 600-821-3350 | ALTERNATOR A. (13A) | 21811- | ||
| THE NIKKO DENKI PART NUMBER IS THAT KD IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KD7-33100-0120 | ROTOR ASS'Y | 21811- | |
| 2 | KD1-0452-62027 | BEARING,BALL | 21811- | |
| 3 | KD1-33926-0820 | RETAINER | 21811- | |
| 4 | KD1-33923-0570 | COLLAR | 21811- | |
| 5 | KD0-33926-0370 | RETAINER | 21811- | |
| 6 | KD1-0452-63057 | BEARING,BALL | 21811- | |
| 7 | KD1-33130-0172 | SLIP RING ASS'Y | 21811- | |
| 8 | KD1-44000-0730 | REGULATOR ASS'Y | 21811- | |
| KD0-33700-1960 | REAR BRACKET ASS'Y | 21811- | ||
| 9 | KD1-47921-0710 | WASHER | 21811- | |
| 10 | KD1-33943-0731 | BUSHING,INSULATE | 21811- | |
| 11 | KD1-33944-0490 | TUBE,INSULATE | 21811- | |
| 12 | KD1-33720-0792 | BRUSH HOLDER ASS'Y | 21811- | |
| 13 | KD0-33901-0500 | BOLT | 21811- | |
| 14 | KD0-33710-1340 | BRACKET ASS'Y,REAR | 21811- | |
| 15 | KD0-33730-1600 | RECTIFIER ASS'Y | 21811- | |
| 16 | KD1-33943-0870 | BUSHING,INSULATE | 21811- | |
| 17 | KD0-33901-0370 | BOLT | 21811- | |
| 18 | KD1-33785-1390 | WIRE,LEAD | 21811- | |
| 19 | KD0-0274-06652 | BOLT,THROUGH | 21811- | |
| 20 | KD1-33200-1000 | STATOR ASS'Y | 21811- | |
| 21 | KD1-33300-0450 | FRONT BRACKET ASS'Y | 21811- | |
| 22 | KD1-33761-0870 | COVER | 21811- | |
| 23 | KD0-33400-0730 | PULLEY ASS'Y,NON HARDENING | 21811- | |
| 24 | KD1-0335-18002 | WASHER,SPRING | 21811- | |
| 25 | KD0-0280-18022 | NUT | 21811- | |
| 26 | KD0-0080-05322 | BOLT | 21811- | |
| 27 | KD7-09210-0230 | SEAL ASS'Y,(NOT SHOWN) | 21811- |