| Item | Part No. | Part Name | Qty | Serial No. |
| 600-821-3571 | ALTERNATOR A. (13A),(WITH HARDENING PULLEY) | | 11731- |
| | THE NIKKO DENKI PART NUMBER IS THAT KD IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | | |
| 1 | KD7-33100-0121 | ROTOR ASS'Y | | 11731- |
| 2 | KD1-0452-62027 | BEARING | | 11731- |
| 3 | KD1-33926-0380 | RETAINER | | 11731- |
| 4 | KD1-33923-0570 | COLLAR | | 11731- |
| 5 | KD0-33926-0370 | RETAINER | | 11731- |
| 6 | KD1-0452-63057 | BEARING,BALL | | 11731- |
| 7 | KD1-44000-0730 | REGULATOR ASS'Y | | 11731- |
| 8 | KD1-33951-0280 | PACKING | | 11731- |
| KD0-33700-1960 | REAR BRACKET ASS'Y | | 11731- |
| 9 | KD0-33710-1340 | BRACKET ASS'Y,REAR | | 11731- |
| 10 | KD1-47921-0710 | WASHER | | 11731- |
| 11 | KD1-33943-0731 | BUSHING,INSULATE | | 11731- |
| 12 | KD1-33951-0290 | PACKING | | 11731- |
| 13 | KD1-33944-0490 | TUBE,INSULATE, B-TERMINAL | | 11731- |
| 13 | KD1-33944-0540 | TUBE,INSULATE, R-TERMINAL | | 11731- |
| 14 | KD1-33720-0792 | BRUSH HOLDER ASS'Y | | 11731- |
| 15 | KD0-33901-0500 | BOLT,B-TERMINAL | | 11731- |
| 16 | KD0-33730-1600 | RECTIFIER ASS'Y | | 11731- |
| 17 | KD1-33943-0870 | BUSHING,INSULATE | | 11731- |
| 18 | KD0-33901-0370 | BOLT,R-TERMINAL | | 11731- |
| 19 | KD1-33785-1390 | WIRE,LEAD | | 11731- |
| 20 | KD0-0274-06652 | BOLT | | 11731- |
| 21 | KD1-33200-1000 | STATOR ASS'Y | | 11731- |
| 22 | KD1-33951-0270 | PACKING | | 11731- |
| 23 | KD1-33300-0450 | FRONT BRACKET ASS'Y | | 11731- |
| 24 | KD1-33761-0870 | COVER | | 11731- |
| 25 | KD0-33400-1461 | PULLEY ASS'Y,HARDENING | | 11731- |
| 26 | KD1-0335-18002 | WASHER,SPRING | | 11731- |
| 27 | KD0-0280-18022 | NUT | | 11731- |
| 28 | KD1-0345-05001 | WASHER,SEAL | | 11731- |
| 29 | KD0-0080-05322 | BOLT | | 11731- |
| 30 | KD7-09210-0230 | SEAL ASS'Y,(NOT SHOWN) | | 11731- |
