| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 312605089 | OPERATOR'S SEAT ASSEMBLY | A90001 -- | |
| 2 | 816101148 | COVER, BACK | A90001 -- | |
| 3 | 816101079 | FOAM, BACK | A90001 -- | |
| 4 | 816101150 | COVER, SEAT | A90001 -- | |
| 5 | 816101081 | FOAM, SEAT | A90001 -- | |
| 6 | 816101156 | HANDLE KIT | A90001 -- | |
| 7 | 816101086 | DAMPER ASSEMBLY KIT | A90001 -- | |
| 8 | 816101155 | GUIDE AND ADJUSTER KIT | A90001 -- | |
| 9 | 816101158 | ADJUSTER HANDLE KIT | A90001 -- | |
| 10 | 816101088 | WEIGHT ADJUSTER KIT | A90001 -- | |
| 11 | 816101113 | SUSPENSION COVER KIT | A90001 -- | |
| 12 | 816214680 | BEARING KIT | A90001 -- |