The UPT3 Actuator from Moog is a Space Actuator with Mass 5.75 lbs, Nominal Running Torque 1100 in-lb, Unpowered Holding Torque 700 Lb-in, Moment Stiffness 1100000 Lb-in/rad, Torsional Stiffness 250000 Lb-in/rad. More details for UPT3 Actuator can be seen below.