The 7065-S steering cylinder is a durable, solid cylinder that comes equipped with a servo valve to provide full power follow-up functionality. The 7065 is only available in a balanced configuration. 

For balanced, the 7065-S has the following stroke and displacement ranges, assuming a single cylinder at 1,500 PSI (103 BAR) at a 35 degree rudder angle / 45 degree rudder angle. 

Stroke: 7.5" to 16" (191mm to 406mm) / 10" to 16" (254mm to 406mm) 
Torque: 1,840 to 3,926 lbs. ft. (255 to 543 kg/m)  /  1,718 to 2,749 lbs. ft. (238 to 380 kg/m)
Displacement: 30.9 in³ to 66 in³ (507 cm³ to 1,082 cm³)  /  30.9 in³ to 66 in³ (507 cm³ to 1,082 cm³)