| 1 | 339-139 | Maintenance Kit, Beam; Trailmaster | 1 | 2022321 |
| 1 | 339-140 | Maintenance Kit; Trailmaster | 1 | 1080060 |
| 2 | 334-1234 | Bolt; 1 1/8"-12 x 6"Lg. | 3 | 1080086 |
| 2 | 334-1014 | Bolt; 1 1/8"-12 x 7 1/2"Lg. | 2 | 1027736 |
| 3 | 334-1015 | Washer; 1 1/8"ID x 2 1/4"OD x 3/8"Thk. | 4 | 1082048 |
| 4 | 334-1213 | Collar, Alignment | 4 | 1082047 |
| 4 | 334-1236 | Collar, Eccentric Alignment | 4 | 1080085 |
| 4 | 334-1649 | Collar, Alignment | 4 | — |
| 5 | 322-153 | Bushing | 4 | 1027769 |
| 6 | 334-1018 | Washer; 1 3/16"ID x 1 3/4"OD x 1/8"Thk. | 6 | 1025264 |
| 7 | 334-193 | Nut, Lock; 1 1/8"-12 | 2 | — |
| 8 | 321-303 | Bushing | 2 | 1080044 |
| 9 | 320-154 | Bushing, Pivot Arm | 2 | 1080082 |
| 10 | 338-1612 | End Cap | 2 | 1080084 |
| 11 | 334-1020 | Bolt; 1 1/8"-12 x 3 1/2"Lg. Grade 8 | 2 | G223934 |
| 12 | 338-1606 | Bracket, Standard Mount | 2 | 1080060 |
| 12 | 338-1607 | Bracket, Intermediate Mount | 2 | 1080066 |
| 13 | 334-1017 | Track Block | 4 | 1081228 |
| 14 | 2B14-356 | Air Spring | 2 | 1027556 |
| 15 | M66636 | Shock Absorber | 2 | — |
| 15 | M66893 | Shock Absorber | 2 | — |
