| Item | Part No. | Part Name | Qty | Serial No. |
| 12Y-27-10101 | FINAL DRIVE ASSEMBLY | B12500- | ||
| \0\12Y-27-10100 | FINAL DRIVE ASSEMBLY | B10001-B12499 | ||
| 12Y-27-10301 | FINAL DRIVE ASSEMBLY (CUT SPROCKET) | B12500- | ||
| \0\12Y-27-10300 | FINAL DRIVE ASSEMBLY (CUT SPROCKET) | B10001-B12499 | ||
| 1 | 706-8H-01111 | MOTOR, HST ( SEE FIG. H0350-01A0 ) | B12500- | |
| \0\706-8H-01110 | MOTOR, HST ( SEE FIG. H0350-01A0 ) | B10001-B12499 | ||
| 2 | 12Y-27-11510 | TEETH | B10001- | |
| 12Y-27-15210 | TEETH (CUT SPROCKET) | B10001- | ||
| 3 | 09203-21860 | BOLT | B10001- | |
| 4 | 01803-01824 | NUT | B10001- |