◆ double-acting hydraulic retraction ◆ Built-in pressure relief valve to prevent sudden overpressure ◆ unique ability to support the fuel tank designed to withstand a lateral load of 10%, while the cylinder without damage ◆ interchangeable rigid saddle groove ◆ seat as standard and special outer coating paint plating on the cylinder piston ◆ each model has a standard base mounting holes ◆ wiper reduces contamination, extending cylinder life ◆ hydraulic lock can be installed, field operations and the need to adapt the case of a long dwell