| Flexnumber | Piston | Piston Type | Top Plate Hole/Stud Qty. | Bottom Plate Hole/Stud Qty. | Top Plate Dia. | Bottom Plate Dia. | Collapsed Height | Type | Remarks |
| 1T15MBTW-12 | 9540 | P | 2 | 1 | 9 | 10.25 | 9.2 | 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 |
| 1T15MBTW-12 | 9540 | P | 2 | 1 | 9 | 10.25 | 9.2 | Rolling Lobe |