| Item | Part No. | Part Name | Qty | Serial No. |
| 22T-40-21300 | WHEEL ASS'Y | 10001- | ||
| 1 | 421-40-22120 | WHEEL | 10001- | |
| 2 | 421-40-22160 | PIN,SPRING | 10001- | |
| 3 | 421-40-22170 | CONTACT ASS'Y | 10001- | |
| 4 | 421-40-22180 | PAD,HORN | 10001- | |
| 5 | 421-40-22210 | SPRING LOCK,SPRING | 10001- | |
| 6 | 22T-40-11290 | PLUG | 10001- |