Either mechanical or hydraulic drives may be connected. TECNAUTIC can supply you various models of linear actuators and pumps (reversible and continuous running pumps) and servo valves according the list below. But any other drive will work equally well.
2007  

US $ excl. tax
Part # Part or Component  

List US$

Web US$

RV1-12 Hydraulic pump 12 Volts, reversible, 60 cuin/min, cylinder up to 13 cuin depict 906,62         725,29
RV1-24 Hydraulic pump 24 Volts, reversible, 60 cuin/min, cylinder up to 13 cuin depict 906,62         725,29
RV2-12 Hydraulic pump 12 Volts, reversible, 120 cuin/min, cylinder up to 26 cuin depict 1'045,46         836,37
RV2-24 Hydraulic pump 24 Volts, reversible, 2 l/min, cylinder up to 0,432 l depict 1'045,46         836,37
RV3-12 Hydraulic pump 12 Volts, reversible, 3 l/min, cylinder up to 0,65 l depict 1'540,15      1'232,12
RV3-24 Hydraulic pump 24 Volts, reversible, 3 l/min, cylinder up to 0,65 l depict 1'540,15      1'232,12
V2H32S-12 Hydraulic linear drive, 12 Volts, 200mm stroke, 2800 N thrust  depict 2'059,66      1'647,73
V2H32S-24 Hydraulic linear drive, 24 Volts, 200mm stroke, 2800 N thrust  depict 2'059,66      1'647,73
V2H40S-12 Hydraulic linear drive, 12 Volts, 240mm stroke, 4800 N thrust  depict 2'151,61      1'721,29
V2H40S-24 Hydraulic linear drive, 24 Volts, 240mm stroke, 4800 N thrust  depict 2'151,61      1'721,29
V2H50S-12 Hydraulic linear drive, 12 Volts, 300mm stroke, 7700 N thrust  depict 2'298,73      1'838,98
V2H50S-24 Hydraulic linear drive, 24 Volts, 300mm stroke, 7700 N thrust  depict 2'298,73      1'838,98
V2H53S-12 Hydraulic linear drive, 12 Volts, 300mm stroke, 7700 N thrust, RV3 pump depict 2'850,42      2'280,34
V2H53S-24 Hydraulic linear drive, 24 Volts, 300mm stroke, 7700 N thrust, RV3 pump depict 2'850,42      2'280,34
2202627A Linear actuator with VHM50 and RV3 24Volts   3'543,51      2'834,80
V2HAC-12 Hyd. actuator for servo assisted stern and Z-drives, 12 Volts, cable steering depict 1'318,55      1'054,84
V2HAH-12 Hyd. actuator for servo assisted stern and Z-drives, 12 Volts, hyd. steering depict 1'318,55      1'054,84
       
VM2200655 Install.kit f.Volvo 872 229 servo assisted Steering (cable)   125,97         100,78
VM2200656 Install.kit f.Volvo 872 229 servo assisted Steering (hydraul.)   155,39         124,32
VM2200657 Install.kit f.Mercruiser servo assisted Steering (cable)   136,08         108,87
VM2200658 Install.kit f.Mercruiser servo assisted Steering (hydraul.)   165,51         132,41
       
HNPR3-06 Proportional Valve NG6 (5 or 15 or 30 L/min) 12 or 24 Volts   478,14         430,32
NG06 LIM Pressure limiting valve   621,58         559,42
SBLZ-06B Brake Valve NG106   491,93         442,73
BASE-06 Base Plate NG06   133,33         119,99
BASE-10 Base plate NG10 (P+T=3/4" A+B=1/2"sideways)   153,55         138,20
HNPR3-10 Proportional Valve NG10 (50 or 60 L/min)  24 Volts   712,61         641,34
SBLZ-10B Brake Valve NG10    905,70         815,13
NG10 LIM Pressure limiting valve   593,99         534,59