Specifications

82 AUTOPILOTS
When selecting an autopilot drive unit for a mechanical steering system, the vessel displacement is the determining factor for selecting the
correct drive. When determining your vessel displacement, always add 20% to the displacement of your vessel to
account for the added weight of fuel, gear, provisions and people. Raymarine SmartPilot drive units for mechanical steering
systems are available in linear, hydraulic linear and rotary configurations.
Step 1.2: Mechanical steering systems
UNIVERSAL STERN DRIVE
Maximum boat displacement Does not apply
Drive method Electromechanical
Maximum thrust 50kg
Recommended hard-over times 8.8 seconds
Maximum stroke 214mm
Corepack used SPX-10
Universal stern drive
The universal stern drive is for use with inboard/
outboard (I/O) vessels with power assisted steering.
` Always verify compatibility before installing a
drive unit by consulting an authorised Raymarine
dealer or Raymarine's Customer Support team.
` The drive is compatible with 1997 or later Mercruiser power
assist inboard/outboard drives and Volvo Penta.
` Vessels with 12V systems only.
` An authorised Raymarine dealer is best suited for installing a
linear drive system.
` Compatible with Volvo Penta and Mercruiser I/O drive
engines – see dealer for bracket options with standard I/O
drive.
Hydraulic linear drives
Designed for larger mechanically steered vessels over
20,000 kg, our hydraulic linear drives are self-contained
hydraulic steering systems consisting of a reversing
pump, reservoir and hydraulic ram.
` A hydraulic linear drive unit connects to the rudder stock
via an independent tiller arm. Accessory fittings from your
steering system manufacturer may be required.
` An authorised Raymarine dealer is best suited for installing a
linear drive system.
` Must be able to back drive steering system for the rudder.
HYDRAULIC LINEAR DRIVES
Drive Type TYPE 2 TYPE 3
Maximum boat displacement 22,000 kg 35,000 kg
Peak thrust 585 kg 1,200 kg
Maximum stroke 254 mm 300 mm
Hard-over to hard-over times 10 seconds 10 seconds
Maximum rudder torque 1,270 mm 3,200 mm
Corepack used SPX-30 SPX-30