| |$0 | 421-40-22111 | WHEEL ASSEMBLY | |
| 1 | 421-40-22120 | WHEEL | |
| 2 | 421-40-22140 | KNOB ASSEMBLY | |
| 3 | 421-40-22150 | BUSHING | |
| 4 | 421-40-22160 | PIN, SPRING | |
| 5 | 421-40-22170 | CONTACT ASSEMBLY | |
| 6 | 421-40-22180 | PAD, HORN ASSEMBLY | |
| 7 | 421-40-22210 | SPRING LOCK | |
| 8 | 362-43-15210 | NUT | |
| 9 | 362-43-15220 | WASHER |
