Capacity from 30 to 1.100 Tn, stroke up to 300 mm. The lock nut holds the load mechanically for long periods of time. Load return. Lock nut tested under 50% overload. Hydraulic end of stroke overflow port. Mechanical end of stroke as special. Used for foundation supporting, bridge construction and shipbuilding. Optional tilting saddles. For confined spaces, use STX models. Also available in double acting versions DT and DTC.