JX PDI-5521MG 20kg Digital High Torque Servo

The JX PDI-5521MG is a great servo to use on hydraulic valves and various other moving parts on RC models. We use this particular servo on the valve block on our 336EL hydraulic excavators. 

Specifications:
Dead band: 2μsl
Working frequence: 1520μs / 330hz
Operating Voltage: DC4.8~6.0 V
Operating Speed (4.8V): 0.18sec/60 degrees
Operating Speed (6V): 0.16 sec/60 degrees
Stall Torque (4.8V): 17.25kg.cm (239.55oz/in)
Stall Torque (6.0V): 20.32 kg.cm (281.89 oz/in)
Dimensions: 40.5X20.2X44.2mm /1.59 X0.80X1.74 in
Weight: 55.6 g (1.96oz)
Connector Wire Length: JR 265 mm (10.43in)