| Flexnumber | Piston | Piston Type | Top Plate Hole/Stud Qty. | Bottom Plate Hole/Stud Qty. | Top Plate Dia. | Bottom Plate Dia. | Collapsed Height | Type | Remarks |
| T19ZK-5.7 | 9644 | S | 2 | 4 | 11.31 | 11.62 | 5.8 | 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 |
| T19ZK-5.7 | 9644 | S | 2 | 4 | 11.31 | 11.62 | 5.8 | Rolling Lobe |