Either mechanical or hydraulic drives may be connected. TECNAUTIC can supply various models of linear actuators and pumps (reversible and continuous running pumps) and servo valves according the table below. However any other drive will work equally well, as long as it is fast and strong enough. 
Part #

              

 
RV1-12 Hydraulic pump 12 Volts, reversible, 1 l/min, cylinder up to 0,216 l

depict

RV1-24 Hydraulic pump 24 Volts, reversible, 1 l/min, cylinder up to 0,216 l depict
RV2-12 Hydraulic pump 12 Volts, reversible, 2 l/min, cylinder up to 0,432 l depict
RV2-24 Hydraulic pump 24 Volts, reversible, 2 l/min, cylinder up to 0,432 l depict
RV3-12 Hydraulic pump 12 Volts, reversible, 3 l/min, cylinder up to 0,65 l depict
RV3-24 Hydraulic pump 24 Volts, reversible, 3 l/min, cylinder up to 0,65 l depict
V2H32S-12 Hydraulic linear drive, 12 Volts, 200mm stroke, 2800 N thrust  depict
V2H32S-24 Hydraulic linear drive, 24 Volts, 200mm stroke, 2800 N thrust  depict
V2H40S-12 Hydraulic linear drive, 12 Volts, 240mm stroke, 4800 N thrust  depict
V2H40S-24 Hydraulic linear drive, 24 Volts, 240mm stroke, 4800 N thrust  depict
V2H50S-12 Hydraulic linear drive, 12 Volts, 300mm stroke, 7700 N thrust  depict
V2H50S-24 Hydraulic linear drive, 24 Volts, 300mm stroke, 7700 N thrust  depict
V2H53S-12 Hydraulic linear drive, 12 Volts, 300mm stroke, 7700 N thrust, RV3 pump depict
V2H53S-24 Hydraulic linear drive, 24 Volts, 300mm stroke, 7700 N thrust, RV3 pump depict
HNPR3-06 Proportional Valve NG6 (5 or 15 or 30 L/min) 12 or 24 Volts
NG06 LIM Pressure limiting valve  
SBLZ-06B Brake Valve NG6  
BASE-06 Base Plate NG6  
BASE-10 Base plate NG10 (P+T=3/4" A+B=1/2"sideways)
HNPR3-10 Proportional Valve NG10 (50 or 60 L/min)  24 Volts
SBLZ-10B Brake Valve NG10   
NG10 LIM Pressure limiting valve