| Item | Part No. | Part Name | Qty | Serial No. |
| 600-821-5170 | ALTERNATOR A. (25A) | 163093-187609 | ||
| THE NIKKO DENKI PART NUMBER IS THAT KD IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KD0-33700-1310 | REAR BRACKET ASS'Y | 163093-187609 | |
| 2 | KD0-33720-0520 | HOLDER,BRUSH | 163093-187609 | |
| 3 | KD1-33730-1160 | RECTIFIER | 163093-187609 | |
| 4 | KD1-33730-1150 | RECTIFIER | 163093-187609 | |
| 5 | KD0-33100-0481 | ROTOR ASS'Y | 163093-187609 | |
| 6 | KD1-0452-63037 | BEARING | 163093-187609 | |
| 7 | KD1-33130-0140 | SLIP RING ASS'Y | 163093-187609 | |
| 8 | KD1-0452-63057 | BEARING | 163093-187609 | |
| 9 | KD1-33200-0670 | STATOR ASS'Y | 163093-187609 | |
| 10 | KD0-33310-0520 | BRACKET,FRONT | 163093-187609 | |
| 11 | KD1-0345-05001 | WASHER,SEAL | 163093-187609 | |
| 12 | KD0-0083-06802 | BOLT | 163093-187609 | |
| 13 | KD1-33761-0860 | COVER | 163093-187609 | |
| 14 | KD1-33951-0120 | PACKING | 163093-187609 | |
| 15 | KD1-33740-0190 | BRUSH | 163093-187609 | |
| 16 | KD1-33740-0180 | BRUSH | 163093-187609 | |
| 17 | KD1-09211-0300 | O-RING | 163093-187609 | |
| 18 | KD1-0514-32523 | SEAL,OIL | 163093-187609 | |
| 19 | KD1-33951-0130 | PACKING | 163093-187609 | |
| 20 | KD1-33801-0100 | BAND | 163093-187609 | |
| 21 | KD0-33400-1070 | PULLEY | 163093-187609 |