Raymarine Smartpilot Autopilot Components
Smartpilot Hydraulic Drives
Rugged hydraulic pumps that are matched to the capacity of your vessel's hydraulic steering system.
Type 1 Pump
Reversing hydraulic pump for use with steering systems equipped with 4.9 - 14 cubic inch (80cc - 230cc) hydraulic steering rams.
Compatible with both S1/S1G and S2/S2G corepacks.
Stock # RA81120 M81120 Pump 12V Price $639.00 
Type 2 Pump
Reversing hydraulic pump for use with steering systems equipped with 9.8 - 21 cubic inch (160 -3 50cc) hydraulic steering rams.
Compatible with S3/S3G corepacks.
Stock # RA81121 M81121 Pump 12V Price $719.00
Technical specifications can be found at - Raymarine
