| Flexnumber | Piston | Piston Type | Top Plate Hole/Stud Qty. | Bottom Plate Hole/Stud Qty. | Top Plate Dia. | Bottom Plate Dia. | Collapsed Height | Type | Remarks |
| 1T15M-4 | 9549 | P | 2 | 1 | 9 | 9.75 | 5.5 | Rolling Lobe |
| Flexnumber | Piston | Piston Type | Top Plate Hole/Stud Qty. | Bottom Plate Hole/Stud Qty. | Top Plate Dia. | Bottom Plate Dia. | Collapsed Height | Type | Remarks |
| 1T15M-4 | 9549 | P | 2 | 1 | 9 | 9.75 | 5.5 | Rolling Lobe |